I know there are more, and will add as I hear of them.
Suggestion - advise edits needed by PM, or this forum "thread" will grow forever
Admin - please edit.
With thanks to many contributors :
Lens and Objective mounting threads:
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0.8" x 36tpi RMS microscope objectives Includes many Finite objectives (except eg Nikon BDs;,
and some Nikon Infinites including CF and BE.
24mm x 0.75mm Zeiss Epiplan HD, also non HD with INKO (DIC) prism and quick mounting, but the older INKO version without quick mount are RMS
25mm x 0.5mm Schneider enlarging lenses
25mm x 0.75mm Nikon CFI60 Infinite microscope objectives, some Leica infinite objectives
1" x 32tpi C mount (32 tpi = 0.794mm)
1.035" x 40tpi (40 tpi = 0.635 mm) ThorLabs SM1 lens tube system for 1" diameter optics. Many adapters available, to objective etc, threads.
26mm x 36tpi Mitutoyo infinity microscope objectives (36 tpi = 0.706mm)
26mm x 36tpi Olympus neo splan/dplan infinity metallurgical objectives
26mm x 0.75mm Nikon BD 210mm finite objectives
26mm x 0.75mm Nikon Measurement Microscopes (MM40 and others)
27mm x 0.75mm Nikon BD infinity objectives
27mm x 0.75mm Some modern Zeiss Infinity Microscope Objectives
28mm x 0.5mm Schneider enlarging lenses
28mm x 0.75mm Some Reichert Microscope Objectives
29.5mm x 0.5mm Schneider M-Componon 28mm f/4, M-Componon 50mm f/4, M-Componon 80mm f/4 (?)
30mm x 0.5mm Schneider enlarging lenses
30.5mm x 0.5mm Schneider enlarging lenses
32mm x 0.75mm Nikon LU BD Plan series of large industrial objectives
32.5mm x 0.5mm Some Enlarger lenses eg Schneider (eg135mm f/5.6) Rodenstock, early Nikon EL (eg 80, 105).
Some Nikon EL came with adapter to 39mm
35mm x 0.5mm Schneider enlarging lenses
39.0mm x 0.75mm Schneider MAKRO-SYMMAR HM 180mm f/5.6
39mm x 26tpi Leica lens mount. The Enlarger lens standard. Often quoted as 1mm (26 tpi = 0.977mm)
40mm x 36TPI Mitutoyo BD Plan APO Microscope Objectives (36 tpi = 0.706mm)
40mm x 0.75mm Leitz eg Photar Symmar eg 50mm f/2.8
42mm x 0.75mm T2 standard mount
42mm x 1mm "M42" Pentax/Praktika lens mount, a common standard
43mm x 0.75mm Schneider enlarging lenses
45mm x 0.75mm mount for 75mm, 95mm, and 105mm Printing-Nikkors,
also used on the adapters and extensions for the Rodenstock Modular Focus Unit.
50mm x 0.75mm Schneider enlarging lenses
50mm x 1.0mm Leica / Wild Heerbrugg M3B, M3C, M3Z, MS5, MZ6, MZ7.5, MZ9.5
52mm x 1.0mm Leica Stereo Zoom S4E, S6, S6D, S6E, S6T, S8APO
55mm x 0.75mm Schneider enlarging lenses
66mm x 0.75mm Schneider enlarging lenses
77mm x 0.75mm Schneider enlarging lenses
90mm x 1mm Schneider enlarging lenses
Note "Mxx" is considered equivalent here to "xxmm"
eg M42 == 42mm
See eg Hoya Catalogue P17
Enlarging lens filter threads, used eg for reversing: Pitch 0.5mm or 0.75mm, shown where known.
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30.5mm
Rodenstock
Rodagon 28mm, 35mm,
Rogonar-S 28mm, 35mm
Schneider
Old Style Componon *, 28mm, 35mm, 50mm, 60mm, 80mm, 105mm
Xenon 40mm f/2.8
34.5mm
Nikon - check, there are two styles of El Nikkors
El-Nikkor 50mm F/4
EL-Nikkor 75mm f/4
EL-Nikkor 80mm f/5.6
EL-Nikkor 105mm f/5.6
35.5mm
Schneider
Comparon 105mm
Componar C105mm
Componon WA60mm
40.5mm x 0.5mm
Nikon
El-Nikkor 50mm f2.8 & N,
El-Nikkor 63mm f2.8 & N,
El-Nikkor 75mm f5.6 & N, ??
El-Nikkor 105mm f5.6 & N
Rodenstock,
Rodagon 35mm, 50mm, 75mm, 80mm, 105mm,
Schneider
Comparon 135mm f/5.6
Yashica 40mm f3.5
43mm x 0.75mm
Nikon
El-Nikkor 135mm f/5.6 and others
Rodenstock,
Rogonar-S, 50mm, 60mm, 75mm, 90mm, 105mm,
Rodagon 50mm, 60mm, 80mm, 105mm, 135mm
Rodagon-WA, 40mm, 60mm, 80mm,
Rodagon-G, 50mm, 105mm,
Apo Rodagon-N, 50mm, 80mm, 90mm, 105mm,
Apo Rodagon-D, 1:1 75mm f/4, 2:1 75mm f/4.5
Schneider
Comparon 50mm, 75mm
Componon New Style 50mm, 60mm, 75mm, 105mm
Componon-S 50mm, 80mm, 100mm*
Componon WA 40mm
HM Apo Componon 40mm f/2.8, 45mm f/4, 50mm f/2.8
Computar/Kowa
DL 50mm f/2.8
DL 50mm f/2.8
DL 55mm f/1.9
Varifocal 50-90
DL 135mm f/5.6
DL 65mm f/3.5
DL 80mm f/4.5
DL 90mm f/4.5
DL 105mm f/4.5
49mm
Rodenstock
Rodagon-G 150mm
Schneider
Componon-S 135mm, 150mm
52mm x 0.75mm 135mm Schneider Componon-S
Computar DL 30mm f/2.8
62mm x 0.75mm 150mm Schneider Componon-S
67mm x 0.75mm Computar Varifocal 105-150
72mm x 0.75mm 180mm Schneider Componon-S
82mm x 0.75mm 210mm Schneider Componon-S
100mm x 1mm 240mm Schneider Componon-S
110mm x 1mm 300mm Schneider Componon-S
Notes:
"Old" and "New" style Schneider lenes are known to occur with different filter threads
Rodenstock Rodagon 28mm and 35mm, and Omegaron 25mm f/4 lenses have no filter threads on some (later?) versions
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Minolta
Rokkor
25mm f/3.5 tba
30mm MC f/2.8 No filter thread
50mm MC f/2.8 ?
50mm f/4 ?
75mm f/4.5 ?
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COPAL spec. #0 #1 #3 #3s
front thread M29.5-0.5 M40-0.75 M58-0.75 M56-0.75
back thread M29.5-0.5 M36-0.75 M58-0.75 M56-0.75
overall thickness 20 mm 20 mm 32 mm 28.6 mm
front to iris 10.2 mm 10.75 mm 17.7 mm 16.25 mm
mount thread M32.5-0.5 M39-0.75 M62-0.75 M61-0.75
lensboard hole 34.6 mm 41.6 mm 65 mm 64.1 mm
iris dia 24 mm 30 mm 45 mm 45 mm
Lens register distances, and some thread sizes:
http://www.graphics.cornell.edu/~westin ... ister.html
An important macro lens listing:
http://www.macrolenses.de/objektive.php
A forum discussion of Nikon and Mitutoyo M26 objective mounting threads:
http://photomacrography.net/forum/viewtopic.php?t=12404
A "Big list of Enlarger Lenses" - There is overlap between the lists
http://photocornucopia.com/1061.html
Note:
1" means one inch, tpi means Threads Per Inch (pitch)
One inch = 25.4mm
Last edited/Updated CR 17 Oct 2020