Full frame / 1.00x
No
45 mm.
45 mm.
1.00x
No
No / n.a.
Aperture
f/1.4
9
No
No
No
Focus
No
Yes
Direct
Yes
focus lock function
40 cm.
0.10x (35mm. equiv)
Build
No
11/9
1 aspherical, 1 extra low dispersion, 4 high refractive index
77 mm.
Yes
Yes
Useful Links
- ePHOTOzine
9.2/10
[Tested on 50 MP camera] It gives a superb performance, slick handling and a unique focal length for this lovely standard lens.