Pentax 50mm f/2 SMC A Lens
The Pentax 50mm f/2 is a 50mm f/2 lens designed for Pentax K mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.
Pentax 50mm f/2 SMC A Lens
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Lens Overview — Pentax 50mm f/2
Key Features — Pentax 50mm f/2
50mm f/2 Prime: Standard focal length with an f/2 maximum aperture provides solid light-gathering capability for everyday and available-light shooting.
SMC Coating: Super-Multi-Coating reduces flare and ghosting, helping maintain contrast and color fidelity in challenging lighting conditions.
Full-Frame Coverage: Designed to cover a full-frame imaging circle, so there are no crop factor concerns on compatible Pentax K-mount bodies.
Pentax K Mount: Compatible with the wide range of Pentax K-mount film and digital SLR bodies, including modern DSLRs.
Manual Focus Only: Fully manual focus design suits photographers who prefer deliberate, hands-on control over their focusing process.
Compact and Lightweight: At 230g, this lens adds minimal bulk to a kit, making it a practical everyday carry option.
Lens Specifications — Pentax 50mm f/2
| Spec | Detail |
|---|---|
| Use Cases | Portrait, Street, Creative Effects |
| Lens Type | Prime |
| Format | Full Frame |
| Zoom/Prime | Prime |
| Focal Length | 50mm |
| Maximum Aperture | f/2 |
| Camera System | DSLR |
| Lens Mount | Pentax K |
| Autofocus | No |
| Focus Type | Manual |
| Image Stabilization | None |
| Filter Thread | 49mm |
Description — Pentax 50mm f/2
The Pentax 50mm f/2 SMC A Lens is a prime lens with a 50mm focal length, sitting squarely in the standard range. It is built for the Pentax K mount and designed to cover a full frame imaging circle. With a maximum aperture of f/2, it handles a reasonable range of lighting situations.
Focus is manual only, giving photographers direct, tactile control. The lens weighs 230g, keeping it easy to carry and pair with a range of bodies without adding unnecessary bulk. The 49mm filter thread is a common size, meaning compatible filters and lens caps are easy to source and typically affordable.
There is no image stabilization built into the lens. This is a straightforward, no-frills standard prime aimed at Pentax K-mount users who value manual focus operation and a lightweight, compact form factor.
Pros — Pentax 50mm f/2
- ✓Maximum aperture of f/2 provides meaningful light-gathering for a standard prime
- ✓Full frame coverage means no crop factor concerns on compatible Pentax K-mount bodies
- ✓Lightweight at 230g, keeping overall kit weight low
Cons — Pentax 50mm f/2
- ✗Manual focus only — no autofocus for fast-moving subjects
- ✗No image stabilization, which can be limiting in low-light handheld situations
- ✗Limited to Pentax K-mount systems without an adapter
Videos — Pentax 50mm f/2
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