Pentax SMC 28mm f/2 Lens
The Pentax 28mm f/2 is a 28mm f/2 lens designed for Pentax K mount cameras. Used copies start from $1,999 on GearFocus, with buyer protection on every purchase.
Pentax SMC 28mm f/2 Lens
Used Pentax 28mm f/2 Listings on GearFocus
Lens Overview — Pentax 28mm f/2
Key Features — Pentax 28mm f/2
28mm Fixed Focal Length: A dedicated wide-angle perspective well-suited to landscapes, architecture, and environmental portraiture.
f/2 Maximum Aperture: Fast maximum aperture for a wide-angle prime, providing useful light-gathering capability in low-light situations and some control over depth of field.
Full-Frame Coverage: Designed to cover a full-frame image circle, delivering the native 28mm angle of view on compatible Pentax K-mount bodies.
Pentax K Mount: Compatible with Pentax K-mount DSLRs and, with appropriate adapters, a range of mirrorless systems.
Manual Focus Only: Fully manual focus operation suits photographers who prefer deliberate, precise control over their focus point.
SMC Optical Coating: Pentax's Super-Multi-Coating reduces flare and ghosting, helping maintain contrast and color accuracy in challenging light.
Lens Specifications — Pentax 28mm f/2
| Spec | Detail |
|---|---|
| Use Cases | Landscape, Street, Travel |
| Lens Type | Prime |
| Format | Full Frame |
| Zoom/Prime | Prime |
| Focal Length | 28mm |
| Maximum Aperture | f/2 |
| Camera System | DSLR |
| Lens Mount | Pentax K |
| Autofocus | No |
| Focus Type | Manual |
| Image Stabilization | None |
| Filter Thread | 49mm |
Description — Pentax 28mm f/2
The Pentax SMC 28mm f/2 is a prime wide-angle lens designed for Pentax K-mount DSLR cameras with full-frame coverage. Its 28mm fixed focal length places it squarely in wide-angle territory, while the f/2 maximum aperture opens up usable light-gathering capacity that gives photographers genuine flexibility across varied shooting conditions. Focus is manual only, putting full control in the hands of the shooter — a setup that suits methodical photographers who prefer tactile precision.
The lens weighs just 290g, keeping things light without sacrificing the full-frame image circle. A 49mm filter thread rounds out the practical specs, offering easy access to a wide range of compatible filters at an accessible size. Whether used on a crop or full-frame Pentax K-mount body, this lens delivers a classic wide-angle perspective through a clean, prime optical design.
Pros — Pentax 28mm f/2
- ✓Fast f/2 maximum aperture offers strong light-gathering capability for a wide-angle prime
- ✓Full-frame coverage means the 28mm focal length performs as designed on compatible Pentax K-mount bodies
- ✓Lightweight at 290g, keeping the overall kit manageable for extended handheld shooting
Cons — Pentax 28mm f/2
- ✗Manual focus only — no autofocus support, which may slow down fast-moving or spontaneous shooting situations
- ✗No image stabilization, so handheld shooting in low light depends entirely on the photographer's technique and the f/2 aperture
- ✗Single fixed focal length at 28mm limits compositional flexibility compared to a zoom lens
Videos — Pentax 28mm f/2
Why Do I Even Buy Expensive Lenses? Pentax-M 28mm f2.8 Review - Cheap Lens with Great Results — snappiness

















