FE
Full frame / 1.00x
No
75 mm.
75 mm.
1.00x
No
No / n.a.
Aperture
f/1.8
9
No
No
Yes
Focus
Yes
Yes
Indirect
No
69 cm.
0.13x (35mm. equiv)
Build
No
10/9
2 high refractive index, 3 extra low dispersion
58 mm.
No
Yes
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