Pentax smc Pentax-M 500mm f/8 Reflex vs Tamron SP 500mm f/8 Mirror Adaptall-2
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
| Spec | smc Pentax-M 500mm f/8 Reflex | SP 500mm f/8 Mirror Adaptall-2 |
|---|---|---|
| Brand | Pentax | Tamron |
| Mount | Pentax K | Pentax K |
| Type | Mirror | Mirror |
| Focal length | 500mm | 500mm |
| Max aperture | f/8.0 | f/8.0 |
| Format | n/a | full-frame |
| Groups | n/a | 4 |
| Af motor | n/a | none |
| Elements | n/a | 7 |
| Min focus m | n/a | 1.7 |
Pentax smc Pentax-M 500mm f/8 Reflex
A 500mm f/8 mirror telephoto lens, the Pentax smc Pentax-M 500mm f/8 Reflex is designed for Pentax K mount bodies. Its catadioptric design keeps a long focal length compact and light.
Tamron SP 500mm f/8 Mirror Adaptall-2
This 500mm f/8 mirror telephoto lens from Tamron fits Pentax K mount cameras, from the Tamron SP series. Its catadioptric design keeps a long focal length compact and light.