Pentax 10-17mm Fisheye
The Pentax 10-17mm Fisheye ED is a 10–17mm f/3.5 lens designed for Pentax K mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.
Pentax 10-17mm Fisheye
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Lens Overview — Pentax 10-17mm Fisheye ED
Key Features — Pentax 10-17mm Fisheye ED
10-17mm Fisheye Zoom: Variable focal length lets you adjust the field of view and degree of fisheye distortion rather than being fixed to a single perspective.
f/3.5–f/4.5 Maximum Aperture: Variable maximum aperture across the zoom range provides usable light-gathering in lower light situations.
Pentax K Mount: Native mount ensures direct, reliable compatibility with Pentax K-mount APS-C DSLR bodies.
APS-C Format Coverage: Image circle is optimized for crop-sensor Pentax cameras, delivering full fisheye coverage across the sensor.
Manual Focus Only: No autofocus system is included, making this a deliberate, hands-on lens suited to photographers comfortable with manual control.
No Filter Thread: The extreme curvature of the front element means standard screw-on filters cannot be attached, which is typical of fisheye lens designs.
Lens Specifications — Pentax 10-17mm Fisheye ED
| Spec | Detail |
|---|---|
| Use Cases | Travel, Astrophotography, Creative Effects |
| Lens Type | Fisheye |
| Format | APS-C |
| Zoom/Prime | Zoom |
| Focal Length | 10–17mm |
| Maximum Aperture | f/3.5 |
| Camera System | DSLR |
| Lens Mount | Pentax K |
| Autofocus | No |
| Focus Type | Manual |
| Image Stabilization | None |
| Weight | 320g |
Description — Pentax 10-17mm Fisheye ED
The Pentax 10-17mm Fisheye is a zoom fisheye lens designed for APS-C format cameras with a Pentax K mount. It spans a focal length range of 10mm to 17mm, placing it firmly in the wide-angle category and providing the sweeping, curved perspective characteristic of fisheye optics — with the added flexibility of a zoom range rather than a fixed focal length. The lens opens to a maximum aperture of f/3.5, offering reasonable light-gathering for its class.
Focus is entirely manual, with no autofocus capability, and no image stabilization is present, so sharp results depend on good technique and appropriate shooting conditions. At 320g, it is a relatively compact and lightweight option that won't weigh down a Pentax K-mount DSLR kit. No filter thread size is listed, consistent with the extreme front element geometry typical of fisheye designs.
This lens is purpose-built for Pentax APS-C DSLR shooters who want the creative versatility of a zoom fisheye in a manageable, native-mount package.
Pros — Pentax 10-17mm Fisheye ED
- ✓Zoom fisheye design covers 10mm to 17mm, offering compositional flexibility within the fisheye focal length range
- ✓Maximum aperture of f/3.5 provides solid light-gathering for a zoom fisheye lens
- ✓Lightweight at 320g, keeping the overall kit weight manageable
Cons — Pentax 10-17mm Fisheye ED
- ✗Manual focus only — no autofocus system, which may slow down shooting in fast-moving situations
- ✗No image stabilization, requiring steady technique or faster shutter speeds to avoid camera shake
- ✗No filter thread size available, limiting the use of screw-on filters
Videos — Pentax 10-17mm Fisheye ED
Tokina Fisheye 10-17mm f/3.5-4.5 DX lens review with samples (Full-frame and APS-C) — Christopher Frost