Used Pentax-M Zoom 75-150 f/4 Zoom Lens
Condition & contents
| Grading | Good |
|---|---|
| Testing | Fully tested |
| Warranty | 12 month warranty |
| Includes | Lens/Back Caps |
At a glance: Pentax-M 75-150mm f/4 - constant-aperture Pentax K-mount short-tele zoom.
About this lens
The Pentax-M Zoom 75-150mm f/4 is Pentax's K-mount short-to-medium telephoto zoom from the M-series era - constant f/4 aperture across the zoom range, compact manual-focus design, SMC multi-coating. A capable vintage portrait/short-tele zoom.
Build & handling
| Autofocus | Manual focus only |
|---|---|
| Minimum focus distance | 1.2m |
| Filter thread | 55mm |
| Weight | Approx. 475g |
| Construction | All-metal, SMC multi-coating |
Works with
- Pentax K-mount film SLRs
- Pentax K-mount DSLRs (manual focus)
- Modern mirrorless via K-to-[system] adapter
Best for
A characterful vintage Pentax zoom - constant f/4 across 75-150mm makes it practical for portraits, short-tele work, and short wildlife. SMC multi-coating controls flare. Works on Pentax K-mount film and digital bodies.
Frequently asked questions
Is constant f/4 on a 1970s zoom special?
Yes - most consumer zooms of that era had variable apertures. Constant f/4 across 75-150mm was a more premium offering, making it more useful for flash-metered and deliberate-exposure work.
Specifications
| Focal Length | 75-150mm |
|---|---|
| Max Aperture | f/4.0 |
| Lens Mount | Pentax K Mount |
| Condition | Used |
| Brand | Pentax |