CAMERA SYSTEM  MOUNT TYPE   REGISTER

Aaton   bayonet(?)     40.00
Alpa   bayonet      37.80
Argus   bayonet      44.45
Arriflex  bayonet      52.00

Bolex   breech      23.22
Bolex H8RX  1" x 32tpi thread    15.31
Bronica S2A  bayonet & 57x1 thread   101.70
Bronica ETRS  
Bronica GS1

Compur 00  rear outer: 25x0.5
   front inner: 22.5x0.5
   rear inner:

Compur 0  rear outer: 32.5x0.5
   front inner: 29.5x0.5
   rear inner: 29.5x0.5

Compur 1  rear outer: 39x0.75
   front inner: 40x0.75
   rear inner: 36x0.75

Compur 3  rear outer: 62x0.75
   front inner: 58x0.75
   rear inner: 58x0.75

Compur 5  rear outer: 92x0.75
   front inner: 86x0.75
   rear inner: 86x0.75

C-mount   1" x 32tpi thread    17.526 (0.69")
C-S mount  1" x 32tpi thread    12.50 
[also known as "1-32 UN 2A"]

Canon EOS  bayonet      44.00
Canon EX1/2 VL  bayonet      20.00
Canon R/FL/FD  breech or bayonet    42.00
Canon screw  M39x1 thread     28.80
Contarex        46.00
Contax RF        34.85  
Contax/Yashica  bayonet      45.50
Contax G1  bayonet      29.00

D-mount   0.625" x 32tpi     12.29

Eclair   bayonet      48.00
Exakta/Topcon  bayonet      44.70
Exacta 66  breech lock     74.10
Edixa-Rex  bayonet      53.00

Hasselblad/Kiev88 multi start thread    82.10
Hasselblad 500/2000 bayonet      74.90

Icarex   breech lock     48.00
(Icarex 35/35S/SL-706                       45.50?)

K-mount   bayonet      45.46
Kilarflex         92.30
Kilarscope        78.80
Kiev 60/Kiev Six breech lock     74.10
Kiev 88   multi start thread     82.10
Kowa Six/Super 66 breech lock     79.00
Konica AR  bayonet      40.70
Konica F  bayonet      40.50
Konica RF Hexar  screw      27.95

Leica M   bayonet      27.95 (27.80?)
Leica R   bayonet      47.00
Leica screw  M39x26tpi     28.80
Leitz Visoflex I M39x26tpi      62.50  (91.30 total)
(both are sometimes mistaken for M39 x 1mm, a tiny difference, but enough to cause problems with some non-Leica M39 lenses)
Leitz Visoflex II, III Leica M bayonet      40.00  (68.80 total)

M42 screw  M42x1 thread     45.46
Mamiya 645  bayonet      63.30
Mamiya RB  bayonet     112.00
Mamiya RZ  bayonet     105.00
Minolta AF  bayonet      44.50
Minolta MD  bayonet      43.50

Miranda dual BM/SM bayonet/M44x1 thread    41.50
Miranda TM only SM      M42x1 thread     41.50
Miranda Laborec -       bayonet/M44x1 thread    41.50
 dual BM/SM

Mirax Laborec BM/SM Laborec-bayonet/M46x1 thread   41.50

(Soligor TM only SM M42x1 thread     41.50
(Pallas TM only SM M42x1 thread     41.50

Narcissus  M24x1 thread     28.80
Nikon   bayonet      46.50
Novoflex       100.00

Olympus OM  bayonet      46.00
Olympus Pen F  bayonet      28.95
Olympus E1  bayonet      38.67
(aka 4/3 or four/thirds)

Paxette   M39x1 thread     44.00
Pentacon 6  breech lock     74.10
Pentax 6x7  bayonet       84.95  (74.10?)
Pentax 645  bayonet      70.87
Pentax/Practica  M42x1 thread     45.46 (add film thickness, and get 45.50mm....;))
Practica bayonet
Practiflex  M40x1 thread     45.50(?) 
Petriflex  breech lock     43.50
Praktina  breech lock     50.00

RAS   
Rectaflex        43.40
Ricoh   breach mount     45.50
RMS   0.800" x 36tpi thread  
Rolleiflex SL35  bayonet      44.60
Rolleiflex SL66  bayonet     102.80

Rollei 6008        75.32
Rollei 6008         
  shutter-adapter M39x0.75     31.68
Rollei 6008 bellows      +67.00 (minimum extension; add both bellows and shutter-adapter and you get 174.00mm minimum) 

Schneider  M26x0.5   

Sigma SA  bayonet      44.00

T2 mount  M42x0.75     55.00
Topcon IC1  bayonet      55.00

Voigtlander Bessamatic       44.70

Wrayflex  M41.2 x 26tpi     42.05

Zeiss Ikon Flektoskop/F'meter      84.50  (119.35 total)
Zeiss Ikon Panflex       64.50   (99.35 total)
Zenith 3M  M39x1 thread     45.46
Zenit 80  multi start thread    74.10