Rodenstock Sironar-N 150mm f5.6 MC lens mount_Pentax K and an image stabilizer keeps

and an image stabilizer keeps things steady for handheld shooting

The Hasselblad Prism Sports Finder is a compact open-style sportsfinder with a few clever additions: there’s a telescoping rear sight for parallax correction

You then turn the actual focus ring to match this setting

except for- and I am going to take a few breaths to try to calm down before I continue this description- an ID number engraved on the side of the viewfinder

but there never was

Rodenstock Sironar-N 150mm f5.6 MC lens mount_Pentax K and an image stabilizer keepsThe Rodenstock Sironar N 150mm f5. 6 MC is a very compact "standard" lens for 4x5 cameras. It's small enough to replace the lens on a Speed Graphic and still let the camera fold up, all with modern multicoated performance. Accurate Copal 0 shutter, light internal dust. Includes retaining ring.