กลับไปยังรายบอร์ด โพสต์ใหม่
เลนส์ medium format pentax 6x7 นั้นมี 4 รุ่นด้วยกัน
1 SUPER-TAKUMAR 6X7  เริ่มผลิตในปี 1969
2 Super-Multi-Coted TAKUMAR 6X7 เริ่มผลิตในปี 1971
3 SMC PENTAX 6X7 เริ่มผลิตในปี 1980
4 SMC PENTAX 67 เริ่มผลิตปลายปี 1990


เลนส์ wide-angle primes ตัวต่อมาคือ Super-Multi-Coted TAKUMAR 6X7 75mm f4.5
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2017-4-13 15:03

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2017-4-13 15:04

SMC Pentax 67 / S-M-C Takumar 6x7 / Super Takumar 75mm F4.5

Sharpness        
 10.0
Aberrations        
 10.0
Bokeh        
 9.3
Handling        
 9.5
Value        
 9.8
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2017-4-13 15:04

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2017-4-13 15:04

Description:       
Moderate wide angle lens for the Pentax 6x7 system, field of view 50 degrees horizontally. This lens was available in three variants with the same optics. The latest variant was a bit lighter than the first two. The photo shows the latest variant, the smc PENTAX 67 75mm F4.5.
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2017-4-13 15:04

Pros:        Clinically sharp.
Cons:        Lacks soul. Slightly awkward FOV. Colour OK. Quite large.
Sharpness: 10    Aberrations: 10    Bokeh: 9    Handling: 8    Value: 9    Camera Used: Pentax 67II   

Solid lens. Reminds me very much of some of the K mount 35mm's, like the FA f/2 or Super Tak f/3.5. Produces exceptionally sharp images - I actually can't imagine anything being sharper. Colour is good but not exceptional. I also find it lacks character or soul - something subjectively satisfying about the images is missing. A tad flat, maybe? It is also a rather large lens (I'm comparing it to the amazingly compact 45mm f/4, which I prefer all around). And the FOV is something like a 38mm lens in the K mount - a bit of a tweener. And, of course, pretty slow. All of this said, I have taken some very nice portraits that capture more of the context of the scene, which can be quite nice. Maybe this will steal my heart, but generally I reach for my 45mm or my 105mm, which each have clearly-defined roles.
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2017-4-13 15:04

ผลงานภาพและเนื้อหาทั้งหมดภายในเว็บไซท์เป็นลิขสิทธิ์ของผู้สร้างสรรค์ผลงานนั้นๆ หากชื่นชอบหรือต้องการนำไปเผยแพร่กรุณาแชร์ลิ้งค์กระทู้ไปนะคะ ขอบคุณคะ ^_^

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wide-angle primes ตัวถัดมาคือ FISH-EYE TAKUMAR 6X7 35mm f4.5
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2017-4-13 15:09

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2017-4-13 15:11

SMC Pentax 67 / S-M-C Takumar 6x7 / Takumar 6x7 35mm F4.5 Fish Eye
Sharpness        
 6.0
Aberrations        
 6.0
Bokeh        
 8.0
Handling        
 8.5
Value        
 8.0
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2017-4-13 15:09

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2017-4-13 15:10

Description:       
A fish-eye lens with an angle of view 180 degrees diagonally. This lens came in three variants with the same optics and dimensions. The first version weighs 920g, the other are a little bit lighter at 900g. The photo shows the middle variant, from 1971.
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2017-4-13 15:10

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2017-4-13 15:10

Pros:        Super wide, built-in filters, sharp in the center, fairly straight lines when on level with your subject
Cons:        Unprotectable front element, slightly soft in the corners, lower contrast than I'd like
Sharpness: 7    Aberrations: 8    Bokeh: 8    Handling: 9    Value: 10    Camera Used: Pentax 6X7   

Recognizing I'm rating this an eight, I really love my fisheye Takumar. I've read complaints about corner softness, but to my eyes that's just part and parcel to the 180-degree field of view. In the center, where you'll most likely want to frame your focal point anyway with this lens, the performance is quite sharp and pleasing.

I've used this lens for star trails to great effect, architecture and landscape to mixed results, and portrait photography to really nice results. The central, maybe, 15% of the image exhibits minimal distortion, so a subject's face there can be rendered life-like and shot distorted. Also, that part of the lens is fairly sharp. Also for portraiture work, the lens' distortion can make models look much thinner or more waif-like than intended if you're pointing the lens downward.

I'll expand this review as I use the lens more, but in short I'm very glad that I bought this lens. If you're into creative portraiture, abstract photography, and getting as much of the world as possible in your images, this is a great choice.
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2017-4-13 15:10

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2017-4-13 15:11

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wide-angle primes ตัวต่อมาคือ SMC PENTAX 6X7 55mm f4
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2017-4-13 15:15

SMC Pentax-6x7 55mm F4

Sharpness        
 9.0
Aberrations        
 9.0
Bokeh        
 8.0
Handling        
 9.0
Value        
 10.0
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2017-4-13 15:16

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2017-4-13 15:16

Description:       
This wide angle lens for the Pentax 6x7 system lens has a field of view like a 28mm lens in the 24x36mm film format. The optical design was changed over the earlier Takumar versions which also were heavier since they were a half stop faster at f/3.5.
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2017-4-13 15:16

Pros:        very sharp, performed well in tricky lighting
Cons:       
Sharpness: 9    Aberrations: 9    Bokeh: 8    Handling: 9    Value: 10   

I'm sure the latest version '67' is even more sharper, but that would be about... what... around 11 to 14 lpmm more out of 87-91 lpmm or a max of only 16"x 20" instead of 20"x24"? You can't go too wrong with this version and I might someday borrow a 67 to do a head to head test, but I'm happy enough with this version. Other shots I've made with this lens all had good sharpness, edge performance always very good and flare control was always excellent good when a hood was added. So if you are needing a steady performer on the wide side of things... this is a great one to start with or stay with.

Personal cheer for this lens...
I made a full color cover shot with it in my church's special holiday edition bulletin.
The image was very sharp and clear. People thinking digital had thought it was some pro digital camera with lots of megapix and was well cooked in photoshop or something... nope! I've explained that it was straight film and scanned straight with best resolution. The original shot had all the color contrast and the edge sharpness right there and no need to cook it in anything.
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2017-4-13 15:16

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wide-angle primes ตัวต่อมา Super-Multi-Coated TAKUMAR 6X7 55mm f3.5
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2017-4-13 15:20

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2017-4-13 15:20

S-M-C Takumar 6x7 / Super Takumar 6x7 55mm F3.5

Sharpness        
 9.0
Aberrations        
 9.7
Bokeh        
 8.7
Handling        
 9.7
Value        
 9.3
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2017-4-13 15:21

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2017-4-13 15:21

Description:       
This wide angle lens for the Pentax 6x7 format has 65 degrees field of view horizontally, like a 28 mm lens on a 24x36mm camera. It came in two variants with the same technical data. In 1979 this lens design was superseded by the SMC Pentax-6x7 F4 with a different optical formula.
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2017-4-13 15:21

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2017-4-13 15:21

Pros:        Bright in the viewfinder, Balances the camera nicely, Looks fabulous, pin-sharp when focused well, Lighting appears very cinematic
Cons:        100mm thread diameter = $80 UV filters, Replacement lens caps are hard to find, Too heavy to use on 35mm bodies with an adapter
Sharpness: 9    Aberrations: 10    Bokeh: 9    Handling: 9    Value: 10    Camera Used: Pentax 6X7 MLU   

My pros and cons say all I can really add to the existing reviews. For me, the best part of this lens is how it renders light. In almost all the photos I've taken with this lens, the light looks like something from a movie with an expert cinematographer. The biggest negative is that to get a protective filter would be about $50-80 -- for a cheap one.
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2017-4-13 15:21

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wide-angle primes ตัวต่อมา SMC PENTAX 67 45mm f4
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2017-4-13 15:25

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2017-4-13 15:25

SMC Pentax 67 / SMC Pentax-6x7 45mm F4

Sharpness        
 9.4
Aberrations        
 8.7
Bokeh        
 8.1
Handling        
 10.0
Value        
 9.6
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2017-4-13 15:26

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2017-4-13 15:26

Description:       
Ultra wide angle lens for the Pentax 6x7 format with 76 degrees field of view horizontally, roughly like a 24mm lens on a 24x36mm camera.

Two versions were offered with the same optical formula, the photo above shows the second version.
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2017-4-13 15:26


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2017-4-13 15:26

Pros:        Sharpness, colour, lack of distortion, size, light falloff
Cons:        CA in extreme corners
Sharpness: 10    Aberrations: 8    Bokeh: 8    Handling: 10    Value: 10    Camera Used: Pentax 67II   

No lens is a 10... I would rate this lens a 9.5. It is superb. I also have the 75mm 4.5 and 105 2.4 (both SMC), and subjectively this is my favorite.

The lens delivers a crisp rendition of detail and a 3D look to the images. In my opinion, the angle of view is not too wide. At 45mm, the appearance of the scene (perspective) is actually very natural.

Bokeh can be just slightly harsh when there is a busy background and the focus is on a near object, but that's typical for a lens of this type. Focuses very close, which is great. Colour is beautiful, and it handles incident light very well.

I have a high-resolution scan of an image of some trees taken in nearly ideal conditions (1/125 shutter, F8), and you can make out individual pine needles about 80 feet away. That's on Portra 400. I'm certain that the lens is out-resolving the scanner. Can't wait to try out some Ektar or Portra 160 in the summer months.
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2017-4-13 15:26

ผลงานภาพและเนื้อหาทั้งหมดภายในเว็บไซท์เป็นลิขสิทธิ์ของผู้สร้างสรรค์ผลงานนั้นๆ หากชื่นชอบหรือต้องการนำไปเผยแพร่กรุณาแชร์ลิ้งค์กระทู้ไปนะคะ ขอบคุณคะ ^_^

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แล้วก็มาถึงเลนส์ normal primes Super-Multi-Coated TAKUMAR 6X7 90mm f2.8
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2017-4-13 15:32

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2017-4-13 15:32

SMC Pentax 67 / SMC Pentax-6x7 90mm F2.8

Sharpness        
 9.7
Aberrations        
 9.3
Bokeh        
 9.0
Handling        
 10.0
Value        
 10.0
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2017-4-13 15:32

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2017-4-13 15:32

Description:       
In 1980 Pentax supplemented the 105mm standard lens with this slightly shorter 90mm lens with a horizontal field of view of 42 degrees. The lens was re-issued again in 1989 in the Pentax 67 cosmetic design, but with unchanged optical formula.
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2017-4-13 15:32

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2017-4-13 15:33

Pros:        Trademark firm, positive focusing and aperture grip
Cons:        None particularly
Sharpness: 9    Aberrations: 8    Bokeh: 8    Handling: 10    Value: 10    Camera Used: Pentax 67   

Though bringing the details home cleanly and clearly, this lens does not appear as sharp as the standout 45 and 55mm f4 lenses, but what it loses in sharpness it gains very well in low-light capability, and this can be critical with the somewhat dull 6x7 / 67 viewfinders. The squat and lightweight footprint makes a cheerful change from the bulk and heavier lenses in the SMC Pentax 67 lens line up. The lens' best performance appears around f5.6 with excellent contrast and just slight chroma in the corners.

Overall a great performer and an excellent go between if you cannot afford the 75mm ASP when looking for a filler lens between 55mm and 105mm (or 165mm).
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2017-4-13 15:33

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normal primes ตัวต่อมา Super-Multi-Coated TAKUMAR 6X7 105mm f2.4
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2017-4-13 15:37

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2017-4-13 15:37

SMC Pentax 67 / S-M-C Takumar 6x7 / Super Takumar 105mm F2.4

Sharpness        
 9.3
Aberrations        
 9.0
Bokeh        
 9.8
Handling        
 9.4
Value        
 9.7
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2017-4-13 15:37

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2017-4-13 15:37

Description:       
Standard lens for the Pentax 6x7 system, field of view 37 degrees horizontally like a 55mm lens on a 24x36mm camera. The lens exists in three variants, all with the same optical formula. The photo shows the 1971-1989 version.
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2017-4-13 15:37

Pros:        Bokeh, character, contrast/colours.
Cons:        Sharpness, minimum focusing distance.
Sharpness: 8    Aberrations: 9    Bokeh: 10    Handling: 10    Value: 9    Camera Used: Pentax 67II   

If you have a K mount, and I assume you do, this lens is essentially the medium-format version of the xx 50mm f/1.4. Used right, both can produce wonderful, contrasty portraits with absolutely gorgeous bokeh. Used incorrectly, both can be soft / mushy and generally bleh, with average colours. Sharpness leaves something to be desired (it's adequate); that said, it's intended use is not as a landscape or even product lens. It's close focusing distance is frustratingly far. But it really shines at approximately 7 - 15 fifteen feet as a portrait lens, and there is really nothing else in the 67 lineup, as far as I know, that fulfills the same role. At 150 and 165, you would lose that lovely field of view to object isolation ratio, if I can express it that way, that is the unique and wonderful thing about this lens. I have seen the images from the 90mm (I debated getting this lens instead), and they don't seem to have the same character.

I have the SMC version.

For perspective, I have three 67 lenses, and in order of preference they are the 45mm (best), 105mm, then 75mm 4.5.
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2017-4-13 15:37

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ต่อมาเป็นกลุ่ม tele-photo primes เริ่มด้วย SMC PENTAX 6X7 165mm f2.8
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2017-4-13 16:11

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2017-4-13 16:12

SMC Pentax 67 / SMC Pentax-6x7 165mm F2.8

Sharpness        
 9.1
Aberrations        
 9.4
Bokeh        
 9.7
Handling        
 9.3
Value        
 10.0
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2017-4-13 16:12

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2017-4-13 16:12

Description:       
Portrait lens/short tele. Field of view 24 degrees horizontally, which corresponds to a 85mm lens on a 24x36mm camera.
Two versions exist with the same optics, but slightly different cosmetics (see the photos above):
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2017-4-13 16:12

Pros:        lens speed, 10 blade aperture, built-in hood
Cons:        weight
Sharpness: 9    Aberrations: 9    Bokeh: 10    Handling: 9    Value: 10    Camera Used: Pentax 67   

This is just a great lens! It has many advantages that you will never get in any other medium format lenses:
1) It is fastest portrait lens for a such medium format frame size. There is other faster primes but they are all intended for a smaller frame size.
2) 10 blade aperture. It helps to gentle blur background for smoother bokeh
3) Built-in hood
4) 67mm filter thread which is more common that 77mm.

It has only one negative side -- its weight too much for me. Anyway highly recommend!
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2017-4-13 16:12
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telephoto primes ตัวต่อมา SMC PENTAX 67 MACRO 135mm f4
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2017-4-13 15:49

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2017-4-13 15:49

SMC Pentax 67 / S-M-C Macro Takumar 6x7 135mm F4

Sharpness        
 9.0
Aberrations        
 9.2
Bokeh        
 9.4
Handling        
 9.4
Value        
 9.6
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2017-4-13 15:49

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2017-4-13 15:49

Description:       
135mm macro lens for the Pentax 6x7 system. The original TAKUMAR 6x7 version is slightly heavier than the later PENTAX 67 version, but optically they are identical.
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2017-4-13 15:49

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2017-4-13 15:49

Pros:        Sharp, Good Contrast, Lightweight, 67mm Filter Ring
Cons:        Slow, Not a 1:1 Macro Lens
Sharpness: 8    Aberrations: 8    Bokeh: 10    Handling: 9    Value: 10    Camera Used: Pentax 6X7 MLU   

Aside from a relatively slow maximum aperture, it's a very pleasing lens to use. I take issue with calling any lens incapable of 1:1 reproduction (without tubes or bellows) a macro lens. So this should rightly be called a spherically corrected close-up lens.

Taking this lens out of the box, its weight surprised me. I thought this would be a heavy lens, but I think it's my lightest 67 lens.

Of note, I've only used this lens with black and white film, so I can't comment on color trueness. But, in terms of contrast, it is slightly less contrasty than my 55mm 1:3.5. The 55mm renders fantastically cinematic images. The 135mm, by comparison, renders very technical and slightly flat images. That said, with a contrasty film (like PanF 50 ISO), this yields very fine results. I also like it with Delta 100 and Fuji Acros 100. In all three cases it yields suitable contrast and very nice detail.
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2017-4-13 15:49

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telephoto primes next is Super-Multi-Coated TAKUMAR 6X7 150mm f2.8
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2017-4-13 15:54

S-M-C Takumar 6x7 / Super Takumar 6x7 150mm F2.8

Sharpness        
 9.7
Aberrations        
 9.7
Bokeh        
 9.7
Handling        
 9.3
Value        
 9.7
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2017-4-13 15:53

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2017-4-13 15:53

Description:       
Very short tele, corresponding to about a 75mm lens on a 24x36mm camera. The lens came in two variants:
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2017-4-13 15:54

Pros:        Large aperture; great for portraits, Price!
Cons:       
Sharpness: 10    Aberrations: 10    Bokeh: 10    Handling: 10    Value: 10    Camera Used: Pentax 67ii and 6x7   

The 150mm Super Takumar was my first 6x7 lens, coming attached to the first 6x7 body I purchased. It became one of my favourite lenses. More recently, I purchased the Super-Multi-Coated version in excellent condition for a bargain price. I use this lens handheld mostly for portraits. Of course, at f/2.8 there is not a lot of depth of field to work with when taking a portrait so focussing and stillness of subject is critical. The results are beautiful and the images have a magical look to them. I have owned most of the 67 lenses and the 150mm is one of the three I have decided to keep (the others being the 105mm, 75mm f/4.5).

ผลงานภาพและเนื้อหาทั้งหมดภายในเว็บไซท์เป็นลิขสิทธิ์ของผู้สร้างสรรค์ผลงานนั้นๆ หากชื่นชอบหรือต้องการนำไปเผยแพร่กรุณาแชร์ลิ้งค์กระทู้ไปนะคะ ขอบคุณคะ ^_^

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telephoto primes  Super-Multi-Coated TAKUMAR 6X7 200mm f4
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2017-4-13 15:57

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2017-4-13 15:57

S-M-C Takumar 6x7 / Super Takumar 6x7 200mm F4

Sharpness        
 9.0
Aberrations        
 9.0
Bokeh        
 8.0
Handling        
 8.0
Value        
 10.0
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2017-4-13 15:58

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2017-4-13 15:58

Description:       
This is the original 200mm. It came in two variants with the same optics and dimensions:
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2017-4-13 15:58

Pros:        Inexpensive, sharp, Well suited to Astrophotography
Cons:        OOF CA Green/Magenta
Sharpness: 8    Aberrations: 9    Bokeh: 8    Handling: 7    Value: 10   

If you are looking for a relatively inexpensive lens for astro work, you've found it. I've never used it on a MF camera, so my review is only for using it on smaller format cameras. I read that this was a good lens for astrophotography, so I picked one up to use on a Full-Frame and APS-C 35mm cameras. I was not disappointed.

On a APS-C sensor, the stars are pinpoint from corner to corner at F4. As another reviewer already mentioned, color tonality is exceptional in this role. (One of the most difficult aspects of getting good astro shots is keeping all the stars from clipping the color channels (which degrades the saturation) and this lens does a better job than anything short of a pricey telescope or much more expensive lenses.) Field illumination is also very even - hardly any vignette at all. Of course, I 'm using the lens in its "sweet spot", but this is really important when you're doing deep-sky shots and a little vignette is often the difference between getting enough picture data to make a good stitch with or not. Mechanically it's easy to make critical focus with. If you're mating this with a dedicated CCD or DSLR, there's enough room to fit a filter wheel between the lens and camera. If you using something like the Pentax P-Adapter (6x7 to M42) to fit it to your dslr, you can take advantage of the fact that the adapter has internal 49mm threads, and therefore you can use a 49->48mm stepdown ring to enable use of your astronomical filters.

A solid value, as these are readily available online for good prices.
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telephoto primes ตัวสุดท้าย  SMC PENTAX 67 300mm f4
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2017-4-13 16:01

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2017-4-13 16:01

SMC Pentax 67 / S-M-C Takumar / Super Takumar 6x7 300mm F4

Sharpness        
 8.5
Aberrations        
 6.8
Bokeh        
 7.3
Handling        
 7.3
Value        
 8.5
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2017-4-13 16:01

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2017-4-13 16:02

Description:       
A moderate tele lens for the Pentax 6x7 system. This lens came in three variants with the same optical formula
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2017-4-13 16:02

Pros:        Image quality
Cons:        Bulky, finnicky, CA when wide open
Sharpness: 9    Aberrations: 8    Bokeh: 8    Handling: 8    Value: 10    Camera Used: K-3, Canon 1000D   

After using this lens handheld I feel that it won't perform its best unless you tripod mount it and use live view to focus. I initially purchased it for astrophotography but found that it was more for wildlife photography as well. The lens is bulky but it has a very professional feel to it. I have no problem with the bulk but I think that this lens would not be suitable for carrying around while attached to the camera.

To get the best out of this lens will require a lot of experimentation with your camera. At first I was disappointed by the CA and what appeared to be a soft image overall. Instead of being discouraged I spent a while tweaking the camera settings and the aperture ring until I got a good image. It will take a bit of experimentation but once you get everything figured out this lens will wow you.

The attached image was taken with my Canon 1000D camera just to show what this lens can do. I will be adding more taken with the K-3 as I figure out the settings which make a pleasing image overall. If you get this lens for the price I did ($103 shipped) then go for it. I wouldn't pay more as I feel there are better 300mm lenses out there if you pay more money.
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2017-4-13 16:02

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สำหรับใครที่อยากลองเลนส์มือหมุนไวแสง f2.8  f2.4 ในราคาที่ไม่แพง โดยเลือกกลุ่ม Super Multi Coated TAKUMAR 6X7 หรือ SMC PENTAX 6X7 ราคาหลักพันบาท และซื้อadapter จากจีนมาใช้ แค่นี้ก็จะได้ใช้เลนส์ระดับโปร แล้วครับ
เอาตัวอย่าง adapter และราคา มาให้ดูครับ
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2017-4-13 16:31

P67-CANON ราคา 694.91บาท ค่าส่งฟรี

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2017-4-13 16:28

P67-NIKON ราคา 694.91 บาท ค่าส่งฟรี

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2017-4-13 16:28

P67-SONY ราคา 1228.58บาท ค่าส่งฟรี

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SIGMA -XQ 200mm f3.5 macroเลนส์ telephoto ที่มี focus ring 2วง อันใหญ่ตรงกลาง สำหรับโฟกัสปกติ ส่วนโฟกัสริง อันเล็กด้านหน้า เป็น fine focus สำหรับ มาโคร
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2017-4-14 06:45

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2017-4-14 06:45

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2017-4-14 06:45

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2017-4-14 06:45

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2017-4-14 06:46

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2017-4-14 06:46

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2017-4-14 06:46

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2017-4-14 06:46

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ISCO GOTTINGEN WESTERNA 100mm f4.5
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2017-4-16 07:12

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2017-4-16 07:12

Isco-Gottingen Westar 100mm f/4.5-22
Vendor:        Isco-Gottingen
Type Name:        Westar
Focal range:        100mm        Category:        Short Telephoto
Max. aperture:        4.5        Min. aperture:        22
Elements:        3 in 3 groups        Ap. blades:        10
MFD:        -        Filter Ø:        -
Weight:        -        Year:        -
Preset aperture:        No        Dimensions (d/l):        -
Universal mount:        None
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2017-4-16 07:12

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2017-4-16 07:13

Isco lenses are very underrated.
Good oldfashioned style.
Try some blue sky and you get this turquoise touch.
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2017-4-16 07:13

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2017-4-16 07:13

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2017-4-16 07:13

ผลงานภาพและเนื้อหาทั้งหมดภายในเว็บไซท์เป็นลิขสิทธิ์ของผู้สร้างสรรค์ผลงานนั้นๆ หากชื่นชอบหรือต้องการนำไปเผยแพร่กรุณาแชร์ลิ้งค์กระทู้ไปนะคะ ขอบคุณคะ ^_^

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