Pentax 30mm f/2.8 SMC Lens
The Pentax 30mm f/2.8 is a 30mm f/2.8 lens designed for Pentax K mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.
Pentax 30mm f/2.8 SMC Lens
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Lens Overview — Pentax 30mm f/2.8
Key Features — Pentax 30mm f/2.8
30mm f/2.8 Prime: Fixed 30mm focal length with a maximum aperture of f/2.8 provides consistent wide-angle framing and useful light-gathering for a lens of this type.
Pentax K Mount: Native K mount ensures direct, adapter-free compatibility with Pentax DSLR bodies.
SMC Coating: Pentax's Super-Multi-Coating reduces flare and ghosting, helping maintain contrast and color fidelity in challenging lighting.
Auto and Manual Focus: Supports both autofocus and manual focus, giving shooters the flexibility to switch modes based on the situation.
Lightweight Build: At just 220g, this lens adds minimal weight to a Pentax kit, making it practical for extended handheld use.
49mm Filter Thread: The compact 49mm filter diameter keeps compatible polarizers, ND filters, and UV filters affordable and easy to source.
Lens Specifications — Pentax 30mm f/2.8
| Spec | Detail |
|---|---|
| Use Cases | Landscape, Street, Travel, Architecture |
| Lens Type | Prime |
| Format | Full Frame |
| Zoom/Prime | Prime |
| Focal Length | 30mm |
| Maximum Aperture | f/2.8 |
| Camera System | DSLR |
| Lens Mount | Pentax K |
| Autofocus | Yes |
| Focus Type | Auto, Manual |
| Image Stabilization | None |
| Filter Thread | 49mm |
Description — Pentax 30mm f/2.8
The Pentax 30mm f/2.8 SMC is a prime wide-angle lens designed specifically for Pentax DSLR cameras using the Pentax K mount. With a fixed 30mm focal length and a maximum aperture of f/2.8, it delivers consistent optical performance across a wide range of shooting scenarios without the complexity of a zoom mechanism. Rated for full-frame coverage, it is a versatile option across the Pentax DSLR range.
The lens supports both autofocus and manual focus, providing flexibility to suit different shooting styles and subjects. A 49mm filter thread makes it easy to attach commonly available filters, and the compact thread size helps keep filter costs manageable. At just 220g, this is a lightweight prime that integrates easily into a travel or street kit without adding meaningful weight.
There is no optical image stabilization built into the lens.
Pros — Pentax 30mm f/2.8
- ✓Fixed 30mm focal length with f/2.8 maximum aperture offers solid low-light capability for a wide-angle prime
- ✓Full-frame coverage (lensFormat: Full Frame) means it works across the Pentax DSLR lineup without vignetting concerns
- ✓Lightweight at just 220g, minimizing added bulk to a Pentax kit
Cons — Pentax 30mm f/2.8
- ✗No image stabilization (imageStabilization: None), which may be a drawback in very low light handheld shooting
- ✗Fixed 30mm focal length offers no framing flexibility — recomposing requires physically moving
- ✗f/2.8 maximum aperture, while competent, is slower than f/1.8 or f/2 primes at similar focal lengths
Videos — Pentax 30mm f/2.8
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Frequently Asked Questions — Pentax 30mm f/2.8
What camera mount does this lens use?+
The lens uses the Pentax K mount, making it compatible with Pentax DSLR camera bodies. It is not natively compatible with other camera systems without an adapter.
Does this lens support autofocus?+
Yes, the lens supports both autofocus and manual focus operation. You can switch between the two depending on your shooting preference or situation.
Will this lens cover a full-frame sensor?+
Yes, the lens is specified as a full-frame format lens, so it provides coverage for both full-frame and APS-C Pentax DSLR bodies without image circle concerns.
What filter size does this lens take?+
The lens has a 49mm filter thread. This is a common compact filter size, making compatible circular polarizers, ND filters, and UV filters relatively easy to find and affordable.
How heavy is this lens?+
The lens weighs 220g, making it one of the lighter wide-angle prime options for a Pentax DSLR kit and well-suited to everyday carry use.
Does this lens have image stabilization?+
No, this lens does not include optical image stabilization. Pentax DSLR users may still benefit from in-body stabilization if their camera body provides it, but the lens itself contributes none.