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mflex-on
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 Posted: Tue Feb 16, 2010 10:31 pm Post subject: Small(est) M42 lens with auto diaphragm? |
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mflex-on wrote:
Which is the smallest/shortest pancakeiest lens in M42 mount AND auto diaphragm? |
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no-X
Joined: 19 Jul 2008
Posts: 2495
Location: Budejky, Czech Republic
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| Posted: Tue Feb 16, 2010 10:44 pm Post subject: |
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no-X wrote:
Focal length isn't important?
50mm: black Tessar 50/2.8, Zenitar M2s 50/2, Flexon/Pancolar 50/2.0
35mm: S-M-C Takumar 35/3.5, Curtagon 35/2.8
these are only tips, maybe someone knows somethink smaller 
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mflex-on
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| Posted: Tue Feb 16, 2010 10:53 pm Post subject: |
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mflex-on wrote:
Smallest "auto" I know ist the Domiplan 2.8/50 |
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mflex-on
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| Posted: Tue Feb 16, 2010 11:07 pm Post subject: |
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mflex-on wrote:
| no-X wrote: |
Focal length isn't important?
50mm: black Tessar 50/2.8, Zenitar M2s 50/2, Flexon/Pancolar 50/2.0
35mm: S-M-C Takumar 35/3.5, Curtagon 35/2.8
these are only tips, maybe someone knows somethink smaller |
Thanks, focal length is not important |
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no-X
Joined: 19 Jul 2008
Posts: 2495
Location: Budejky, Czech Republic
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| Posted: Wed Feb 17, 2010 4:50 pm Post subject: |
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no-X wrote:
| mflex-on wrote: |
| Smallest "auto" I know ist the Domiplan 2.8/50 |
I don't have it. Could you tell me its dimensions?
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mflex-on
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| Posted: Thu Feb 18, 2010 3:56 pm Post subject: |
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mflex-on wrote:
| no-X wrote: |
| mflex-on wrote: |
| Smallest "auto" I know ist the Domiplan 2.8/50 |
I don't have it. Could you tell me its dimensions? |
Dimensions: Base of lens (without mount) to front end: 32,5mm
diameter, thickest = 59,5mm
It is a triplet lens.
I have a Auto-Revuenon 1.9/50m I suppose it is a double gauss 6/4 design:
diameter: ø 60mm; ø filter: 49 mm;
base of lens (without mount) to front end: 35 mm |
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no-X
Joined: 19 Jul 2008
Posts: 2495
Location: Budejky, Czech Republic
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| Posted: Thu Feb 18, 2010 4:16 pm Post subject: |
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no-X wrote:
Here are some (height x diameter; both in milimeters)
Auto Takumar 35/3.5: 31.4 x 52.5
S-M-C Takum. 35/3.5: 34 x 58
Sch. Curtagon 35/2.8: 32.3 x 60.6
Vivitar Komine 28/2.8: 37 x 64
Zenitar M2s MC 50/2.0: 34.8 x 66.8
S-M-C Takumar 50/1.4: 41.6 x 61
Voigt.Col.Ultron 50/1.8: 37.5 x 62
Auto Takumar 35/3.5 is the smallest, but it isn't typical modern Auto lens, but it has a special lever, which must be pressed everytime before using the shutter button. So... iris is opened manually via the lever, but it's closed automatically via the aperture transfer pin.
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mflex-on
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| Posted: Thu Feb 18, 2010 4:28 pm Post subject: |
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mflex-on wrote:
| no-X wrote: |
| Auto Takumar 35/3.5: 31.4 x 52.5 |
Really small and short. Thanks a lot! |
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