Pentax FA 50mm f/1.4 HD Lens
The Pentax 50mm f/1.4 HD is a 50mm f/1.4 lens designed for Pentax K mount cameras. Used copies start from $125.12 on GearFocus, with buyer protection on every purchase.
Pentax FA 50mm f/1.4 HD Lens
Used Pentax 50mm f/1.4 HD Listings on GearFocus
Lens Overview — Pentax 50mm f/1.4 HD
Key Features — Pentax 50mm f/1.4 HD
50mm f/1.4 Aperture: Wide maximum aperture gathers substantial light, making this lens well-suited for low-light shooting and shallow depth-of-field work.
HD Lens Coating: Pentax's HD (High Definition) multi-layer coating reduces flare and ghosting for improved contrast and clarity in challenging lighting.
Full-Frame Coverage: Designed for full-frame Pentax K-mount sensors, delivering the true 50mm field of view on bodies like the Pentax K-1.
Pentax K-Mount: Compatible with the full range of Pentax K-mount DSLRs, including both APS-C and full-frame bodies.
Auto and Manual Focus: Supports both autofocus and manual focus operation, giving photographers flexibility across different shooting styles.
Lightweight Build: Weighing just 223g, this lens adds minimal bulk to a camera kit, making it practical for everyday and travel use.
Lens Specifications — Pentax 50mm f/1.4 HD
| Spec | Detail |
|---|---|
| Use Cases | Travel |
| Lens Type | Prime |
| Format | Full Frame |
| Zoom/Prime | Prime |
| Focal Length | 50mm |
| Maximum Aperture | f/1.4 |
| Camera System | DSLR |
| Lens Mount | Pentax K |
| Autofocus | Yes |
| Focus Type | Auto, Manual |
| Image Stabilization | None |
| Filter Thread | 49mm |
Description — Pentax 50mm f/1.4 HD
The Pentax FA 50mm f/1.4 HD Lens is a prime lens built for the Pentax K-mount system, covering a full-frame image circle and falling into the standard focal length range. With a maximum aperture of f/1.4, it provides strong performance in challenging lighting conditions and allows for selective focus work in portrait and everyday photography. The lens weighs just 223g, keeping your kit lightweight without compromising on optical format coverage.
Both autofocus and manual focus are supported, giving users control over how they engage with their subjects. The 49mm filter thread is a practical, widely available size for adding accessories such as polarizing or neutral density filters. Designed specifically for DSLR camera systems, this lens pairs with the full range of Pentax K-mount bodies.
Note that image stabilization is not present in this lens, so stable technique or in-body stabilization will be important considerations, particularly when shooting at wider apertures or in lower light situations.
Pros — Pentax 50mm f/1.4 HD
- ✓Wide maximum aperture of f/1.4 offers strong light-gathering performance
- ✓Lightweight build at just 223g keeps the overall kit compact and travel-friendly
- ✓Full-frame lens format ensures compatibility across Pentax K-mount DSLR bodies including full-frame models
Cons — Pentax 50mm f/1.4 HD
- ✗No image stabilization — confirmed as 'None' in specs, requiring reliance on in-body stabilization or steady technique
- ✗Fixed 50mm focal length with no zoom range means less compositional flexibility without repositioning
- ✗Limited to Pentax K-mount system, with no cross-brand compatibility
Reviews — Pentax 50mm f/1.4 HD
Videos — Pentax 50mm f/1.4 HD
Pentax FA 50mm f/1.4 Classic and HD Review: A Tale Of Two Fifties — PetaPixel
Frequently Asked Questions — Pentax 50mm f/1.4 HD
Is this lens compatible with full-frame Pentax cameras?+
Yes. The lens format is specified as Full Frame, meaning it is designed to cover a full-frame image circle on Pentax K-mount cameras. It uses a Pentax K-mount, compatible with Pentax K-mount DSLRs.
Does the Pentax FA 50mm f/1.4 HD have image stabilization?+
No. The specifications confirm that image stabilization is set to 'None' for this lens. Photographers who require stabilization will need to rely on any in-body stabilization system present in their camera body.
Can I use autofocus with this lens?+
Yes. The lens supports both autofocus and manual focus operation. The autofocus field in the specifications confirms AF capability on compatible Pentax K-mount DSLR bodies.
What filter size does this lens use?+
The Pentax FA 50mm f/1.4 HD uses a 49mm filter thread. This is a common filter size, making it easy to source polarizers, ND filters, and other accessories.
How heavy is this lens?+
The lens weighs 223g, making it a lightweight option within the standard prime category. This contributes to a compact and manageable camera setup.