Focal length: 24mm
Mount: Minolta MD
Aperture: F 2.8 - F 16
Min focus distance: 0.25m
Length (from flange): 43/47mm [+ 27mm for the adapter]
Diameter: 60mm
Weight: 237gr.
Some pictures:

A7 and the lens.

Lens front.
The
grip is a HorusBennu leather grip attached to a Manfrotto 200PL style
quick
release plate, a special plate made by HorusBennu for their grips. It
allows you to use the camera, with the grip attached, on a Manfrotto
RC2 Rapid Connect Adapter.
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.
ISO 160.

F 2.8.

F 8.

F 16.

Closest focus is 25cm from outermost
edge of the lens, F 8. Focus on
the top of the camera.
This is very nice lens, even wide open. It has one stop more than most
24mm lenses and you can find it for cheap. It has good capabilities of close
focussing. A nice find