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FAQ: Screw Threads we use
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ChrisR
Site Admin


Joined: 14 Mar 2009
Posts: 7258
Location: Near London, UK

PostPosted: Thu Oct 13, 2011 1:46 pm    Post subject: Reply with quote

Some enlarger filter threads have been added, from various sources.
I am sceptical that there is a 34.5 as well as a 35.5 thread. Think
Many common lenses are still missing.
If you can correct or add info, please do.
Doing so by PM to me or admin would keep the forum thread length down.
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cmagno



Joined: 08 Oct 2012
Posts: 21
Location: Porto, Portugal

PostPosted: Sat Nov 10, 2012 10:49 am    Post subject: Reply with quote

According the brochure about Schneider enlarging lens found here:

http://www.schneiderkreuznach.com/pdf/foto/vergroesserung_e.pdf

I believe that it's possible to update / correct the table "Screw Threads we use" with the following data:

M25mm x 0.5mm ................ Some lens of Schneider COMPONON, COMPONON-S Series (also available with LTM mount)
M32.5mm x 0.5mm ............. Schneider 100mm f/5.6 enlarger lens mount (also available with LTM mount), some lens of Schneider MAKRO-SYMMAR HM Serie
M39.0mm x 0.75mm ........... Schneider MAKRO-SYMMAR HM 180mm f/5.6
M50.0mm x 0.75mm ........... Schneider 135mm f/5.6 enlarger lens mount and other Schneider enlarging lens

Carlos Magno
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adn25fr



Joined: 25 Sep 2007
Posts: 12
Location: Privas (Ard├Ęche, France)

PostPosted: Sun Feb 10, 2013 9:15 am    Post subject: Reply with quote

I found this topic only today, as I was searching for the compatibility of CFI Nikon and old NEO Olympus. Thanks for informations

but :
Quote:
Adaptors don't seem too critical, for example a Mitutoyo screws into a C mount quite happily
Thats 26 x 0.706 into 25.4 x 0.794

It is not always true. I try one lens in 2 rings without succes now.

And my question: CFI Nikon and old NEO Olympus are M25 but if Nikon is 25 x0,75mm, how much was the old NEO?

In other words, has somebody tried to fix CFI Nikon lens in an Olympus NEO nosepiece?
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genera



Joined: 05 Oct 2011
Posts: 68
Location: California, USA

PostPosted: Mon Apr 22, 2013 2:50 pm    Post subject: Reply with quote

Here are a couple that I haven't seen listed yet.

M50 x 1.0, Leica / Wild Heerbrugg M3B, M3C, M3Z, MS5, MZ6, MZ7.5, MZ9.5
M52 x 1.0, Leica Stereo Zoom S4E, S6, S6D, S6E, S6T, S8APO

-Gene
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RobertOToole



Joined: 17 Jan 2013
Posts: 405
Location: United States

PostPosted: Fri Nov 14, 2014 7:36 pm    Post subject: Reply with quote

These took me awhile to get a hold of so I hope this will save someone time in the future.

All specs came from a copy of a brochure.

Enlarging lens mounting thread

M39 x 1.0

Computar DL 30mm f/2.8
Computar DL 50mm f/2.8
Computar DL 55mm f/1.9
Computar Varifocal 50-90
Computar Varifocal 105-150
Computar DL 135mm f/5.6
Computar DL 65mm f/3.5
Computar DL 80mm f/4.5
Computar DL 90mm f/4.5
Computar DL 105mm f/4.5


Enlarging lens filter threads

M43 x 0.75 Computar DL 50mm f/2.8
M43 x 0.75 Computar DL 55mm f/1.9
M43 x 0.75 Computar Varifocal 50-90
M43 x 0.75 Computar DL 135mm f/5.6
M43 x 0.75 Computar DL 65mm f/3.5
M43 x 0.75 Computar DL 80mm f/4.5
M43 x 0.75 Computar DL 90mm f/4.5
M43 x 0.75 Computar DL 105mm f/4.5

M52 x 0.75 Computar DL 30mm f/2.8

M67 x 0.75 Computar Varifocal 105-150
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Ian Parkin



Joined: 14 Nov 2014
Posts: 24
Location: Sheffield UK

PostPosted: Sat Nov 15, 2014 3:55 pm    Post subject: Reply with quote

Zeiss epiplans HD are 24mm x 0.75mm
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Pau
Site Admin


Joined: 20 Jan 2010
Posts: 4008
Location: Valencia, Spain

PostPosted: Sat Nov 15, 2014 4:05 pm    Post subject: Reply with quote

Ian Parkin wrote:
Zeiss epiplans HD are 24mm x 0.75mm

The Zeiss Epiplan not HD with INKO (DIC) prism and quick mounting too, but the older INKO version without quick mount are RMS
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Pau
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