Correct for all M42 screw‑mount film SLRs. Adaptable to Canon EF with simple M42–EF adapter. Ideal for portraiture, nature, and adapted digital use. The viewfinder is clear. Condition of the viewfinder.
The Soligor Tele-Auto 135mm f/2.8 lens would be the best fit for someone looking for a compact telephoto zoom lens with a fast maximum aperture for professional-grade low-light performance on their M42 mount camera.
