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Lenses with small front element
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PostPosted: Thu Apr 26, 2018 10:26 am    Post subject: Lenses with small front element Reply with quote
Hi everyone,

I trying to adapt a few anamorphic lenses and I'm wondering if someone can recommend some lenses with small front glass elements for use as the taking lens.

I'm looking for lenses with 20-25mm diameter or less for the front glass so that I can get full coverage on a adapter.

Thanks!


PostPosted: Thu Apr 26, 2018 10:38 am    Post subject: Reply with quote
Some 3.5/35mm lenses have a rather small front element...or do you need 50mm focal length?


PostPosted: Thu Apr 26, 2018 11:20 am    Post subject: Reply with quote
kds315* wrote:
Some 3.5/35mm lenses have a rather small front element...or do you need 50mm focal length?


anything under 85mm would be ideal


PostPosted: Thu Apr 26, 2018 1:22 pm    Post subject: Reply with quote
Macro Takumar 1:4/50.


PostPosted: Thu Apr 26, 2018 2:32 pm    Post subject: Reply with quote
pureaxis wrote:
kds315* wrote:
Some 3.5/35mm lenses have a rather small front element...or do you need 50mm focal length?


anything under 85mm would be ideal


Then:
Kuribayashi or Petri 35mm
Noflexar 35mm


PostPosted: Thu Apr 26, 2018 4:36 pm    Post subject: Reply with quote
Canon nFD 35mm 2.8, front element 25mm in diameter. And a really nice lens)


PostPosted: Thu Apr 26, 2018 6:45 pm    Post subject: Reply with quote
kds315* wrote:
pureaxis wrote:
kds315* wrote:
Some 3.5/35mm lenses have a rather small front element...or do you need 50mm focal length?


anything under 85mm would be ideal


Then:
Kuribayashi or Petri 35mm
Noflexar 35mm


thanks although many of these have deep recessed elements which makes it difficult to put an adapter on it.


PostPosted: Thu Apr 26, 2018 10:39 pm    Post subject: Re: Lenses with small front element Reply with quote
pureaxis wrote:
Hi everyone,

I trying to adapt a few anamorphic lenses and I'm wondering if someone can recommend some lenses with small front glass elements for use as the taking lens.

I'm looking for lenses with 20-25mm diameter or less for the front glass so that I can get full coverage on a adapter.

Thanks!


Without knowing the mechanical requirements or fitting it's difficult to guess, but the Industar-50 fulfils the basic requirement, as does the Meyer-Optik Görlitz 50mm f/2.9 Meritar or Domiplan, or, indeed, the Schneider-Kreuznach 35mm f/2.8 Curtagon, 50mm f/2.8 Xenar and 85mm f/4 Tele-Arton, as used on the Retina cameras.


PostPosted: Thu Apr 26, 2018 11:17 pm    Post subject: Reply with quote
Many tessars will fit the bill. Something like Vivitar 55/2.8 can be had for almost nothing.


PostPosted: Fri Apr 27, 2018 12:30 pm    Post subject: Reply with quote
What is the sensor size and camera mount that you use?

My Robot 45/2.8 Xenar fits the bill for having both a small front element and no too much recess. The Minolta M-Rokkor 28/2.8 has no recess but at 27mm diameter it is just larger than your specs. The Schneider Xenoplan 28/2.0 has a very small front element (20mm) but it is fairly recessed..


PostPosted: Sun Apr 29, 2018 8:54 am    Post subject: Reply with quote
Minolta 50mm 3.5 macro


PostPosted: Sun Apr 29, 2018 5:04 pm    Post subject: Reply with quote
I must confess that I don't understand why you want that small frontlens.
Konica 40mm 1.8 or Minolta 45mm 2.0 would do the job, no large distance between filter thread and first glass.
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