Focal length: 28-105mm
Mount: M42
Aperture: F 3.5 - F 22
Min focus distance: 1.8m + macro
Length (from flange): 81/112mm [+ 27mm for the adapter]
Diameter: 74mm
Weight: 440gr.
Some pictures:
A7 and the lens at 28mm.
A7 and the lens at 105mm.
Sample pictures: You may click
on the sample image (except closest focus) for full resolution. The
full resolution image opens in a new window, so you can keep it open
for comparison. Focus is on the
satellite
dish to the right of the big solar panel near the center of the photo.
28mm, F 3.5.
28mm, F 8.
28mm, F 22.
105mm, F 4.5.
105mm, F 8.
105mm, F 22.
105mm, closest
focus is 55cm from
outermost
edge of the lens, F 8. Focus on
the program wheel of the camera.
This is an old lens
design, inexpensive today and still an alternative to more expensive
ones. Wide open it's a
bit soft at the edges and
there are shades on the upper edges at 28mm, otherwise image quality is
just fine. It has very good close focus capability due to a close focus
setting.