Gadget Measurement Table

Thicknesses for assorted adapters, spacers, flanges, and mathoms

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manufacturer type model filter to flange (mm)
B+W misc 40.5mm to 52mm step up 4.54
Generic misc 52mm filter stack cap 4.10
Generic misc 52mm screw in lens cap 1.86
Generic misc 52mm to 52mm coupler 2.92
Generic misc 62 mm - 52 mm step down 2.48
Generic misc Nikon reverse T mount 9.03
Generic misc Nikon to M39 adapter 6.65
Kenko misc 12 mm extension tube 13.13
Kenko misc 20 mm extension tube 19.19
Kenko misc 36 mm extension tube 35.62
Leica misc M39 to RMS adapter 25.99
Nikon misc E2 extension tube 13.78
Nikon misc Nikon filter mount BR-3 16.00
Nikon misc Nikon reveres mount BR-2 4.10
Nikon misc PK-13 extension tube 27.67
Spiratone misc Nikon reverse T Mount 16.13
Tiffen misc 62 mm - 52 mm step down 4.15
Vivitar misc Nikon T mount Series I 8.72


Last Updated on 5/08/2003
By Joseph S. Wisniewski