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Shortest focal length, mm:

50 - 4 lenses

Longest focal length, mm:

55 - Tokyo Kogaku HI Topcor 55/1.8

Fastest speed, F/:

1.8 - Tokyo Kogaku HI Topcor 55/1.8

Slowest speed, F/:

2.8 - Tokyo Kogaku HI Topcor 50/2.8 and Tokyo Kogaku UV Topcor 50/2.8

Lightest weight, g:

114 - Tokyo Kogaku HI Topcor 50/2.8 and Tokyo Kogaku UV Topcor 50/2.8

Heaviest weight, g:

180 - Tokyo Kogaku HI Topcor 55/1.8

Shortest closest focusing distance, m:

0.60 - Tokyo Kogaku HI Topcor 50/2 and Tokyo Kogaku UV Topcor 50/2

Longest closest focusing distance, m:

0.80 - Tokyo Kogaku HI Topcor 50/2.8 and Tokyo Kogaku UV Topcor 50/2.8

Shortest focal length, mm:

135 - Tokyo Kogaku UV Topcor 135/4 [I] and Tokyo Kogaku UV Topcor 135/4 [II]

Longest focal length, mm:

200 - Tokyo Kogaku UV Topcor 200/4

Lightest weight, g:

305 - Tokyo Kogaku UV Topcor 135/4 [I] and Tokyo Kogaku UV Topcor 135/4 [II]

Heaviest weight, g:

520 - Tokyo Kogaku UV Topcor 200/4

Shortest closest focusing distance, m:

1.70 - Tokyo Kogaku UV Topcor 135/4 [I]

Longest closest focusing distance, m:

6.00 - Tokyo Kogaku UV Topcor 200/4