Pentax HD Pentax-FA 77mm f/1.8 Limited
The Pentax 77mm f/1.8 Limited is a 77mm f/1.8 lens designed for Pentax K mount cameras. Used copies start from $395.76 on GearFocus, with buyer protection on every purchase.
Pentax HD Pentax-FA 77mm f/1.8 Limited
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Lens Overview — Pentax 77mm f/1.8 Limited
Lens Specifications — Pentax 77mm f/1.8 Limited
| Spec | Detail |
|---|---|
| Use Cases | Travel |
| Lens Type | Prime |
| Format | Full Frame |
| Zoom/Prime | Prime |
| Focal Length | 77mm |
| Maximum Aperture | f/1.8 |
| Camera System | DSLR |
| Lens Mount | Pentax K |
| Autofocus | Yes |
| Focus Type | Manual, Auto |
| Image Stabilization | None |
| Filter Thread | 49mm |
Description — Pentax 77mm f/1.8 Limited
The Pentax HD Pentax-FA 77mm f/1.8 Limited is a prime lens with a fixed 77mm focal length and a maximum aperture of f/1.8, designed for full-frame Pentax DSLR systems. It mounts via the Pentax K mount and is compatible with Pentax KAF hot shoe systems. The lens supports both autofocus and manual focus, giving shooters the flexibility to choose their preferred focus method depending on the situation.
At just 270g, it is a genuinely lightweight option for a fast prime, reducing fatigue during long shoots. The 49mm filter thread keeps the lens compact and allows use of affordable, widely available filter accessories. The lens falls within the standard focal length range, making it a versatile choice for everyday photography.
It does not include image stabilization, so users should account for this when shooting in challenging lighting conditions.
Pros — Pentax 77mm f/1.8 Limited
- ✓Fast f/1.8 maximum aperture offers strong low-light performance and depth-of-field control
- ✓Lightweight at just 270g, making it easy to carry for extended use
- ✓Supports both autofocus and manual focus for flexible operation
Cons — Pentax 77mm f/1.8 Limited
- ✗No image stabilization included, which may be limiting in handheld low-light situations without in-body IS
- ✗Compatible exclusively with Pentax K mount, limiting use to Pentax DSLR systems
- ✗Single fixed focal length at 77mm offers no zoom flexibility
Reviews — Pentax 77mm f/1.8 Limited
Videos — Pentax 77mm f/1.8 Limited
Pentax Lens Review: SMC Pentax-FA 77mm f1.8 Limited — John J Bloomfield
Frequently Asked Questions — Pentax 77mm f/1.8 Limited
What camera bodies is this lens compatible with?+
The lens is designed for the Pentax K mount and is compatible with Pentax KAF hot shoe systems. It is built for DSLR camera bodies within the Pentax ecosystem. Compatibility with specific bodies should be verified against Pentax's mount specifications.
Does this lens have image stabilization?+
No, the Pentax HD Pentax-FA 77mm f/1.8 Limited does not include optical image stabilization. Photographers needing stabilization when shooting handheld will need to rely on any in-body stabilization their Pentax camera body may provide.
What filter size does this lens take?+
This lens uses a 49mm filter thread, which is a compact and commonly available size. This makes it easy to find compatible UV, polarizing, and ND filters at a reasonable cost.
Is this a zoom or prime lens?+
This is a prime lens with a fixed focal length of 77mm. It falls within the standard focal length range and does not offer any zoom capability, which is typical for lenses optimized for image quality at a single focal length.
How heavy is this lens?+
The lens weighs 270g, making it one of the lighter options available in the fast prime category. This low weight makes it well-suited for travel or extended handheld shooting sessions.
Can this lens be used for manual focus shooting?+
Yes, the lens supports both autofocus and manual focus operation. This dual capability makes it flexible for photographers who prefer precise manual control in certain shooting scenarios while relying on autofocus in others.