Pentax 645Z
Sensor size, crop factor & field of view
▸ See its field of view
Sensor43.8 × 32.8 MM
Crop factor0.79×
Sensor classMedium Format
Native mount645AF2
Aspect modes4:3
Released2014
On the 0.79× Medium Format sensor, every lens frames tighter than its marked focal length. Tap a focal to see the exact build in the simulator.
| Lens focal | Full-frame equivalent | Horizontal FOV |
|---|---|---|
| 14mm → | 11mm | 114.8° |
| 18mm → | 14mm | 101.2° |
| 24mm → | 19mm | 84.8° |
| 35mm → | 28mm | 64.1° |
| 50mm → | 40mm | 47.3° |
| 85mm → | 67mm | 28.9° |
| 135mm → | 107mm | 18.4° |
Is the Pentax 645Z full frame?
No. It has a Medium Format sensor (43.8×32.8mm), which gives a 0.79× crop factor relative to full frame.
What is the crop factor of the Pentax 645Z?
0.79×, derived from its 43.8×32.8mm sensor diagonal against a full-frame 43.27mm diagonal.
What does a 50mm lens look like on the Pentax 645Z?
A 50mm lens frames like a 40mm lens would on full frame (50 × 0.79). See it live in the simulator.