Pentax SMC 67 45mm f/4 Lens
The Pentax 45mm f/4 is a 45mm f/4 lens designed for Pentax 67 mount cameras. Used copies start from $346.79 on GearFocus, with buyer protection on every purchase.
Pentax SMC 67 45mm f/4 Lens
Used Pentax 45mm f/4 Listings on GearFocus
Lens Overview — Pentax 45mm f/4
Key Features — Pentax 45mm f/4
45mm Medium Format Prime: Fixed 45mm focal length designed for the Pentax 67 system, equivalent to roughly a 28mm wide-angle on 35mm format, offering a significantly wide field of view.
Pentax 67 Mount: Built exclusively for the Pentax 67 and 67II camera system, ensuring full compatibility with this iconic medium format film platform.
SMC Optical Coating: Super Multi-Coating (SMC) reduces flare and ghosting, maintaining contrast and color accuracy in demanding lighting conditions.
f/4 Maximum Aperture: Provides a workable exposure range across landscape, architectural, and environmental shooting scenarios typical of wide-angle medium format work.
Manual Focus Only: Full manual focus control suits deliberate, considered shooting workflows common among medium format film photographers.
82mm Filter Thread: Large 82mm front thread accommodates a wide range of filters, including neutral density and polarizers commonly used in landscape photography.
Lens Specifications — Pentax 45mm f/4
| Spec | Detail |
|---|---|
| Use Cases | Landscape, Architecture, Travel |
| Lens Type | Wide-Angle |
| Format | Medium Format |
| Zoom/Prime | Prime |
| Focal Length | 45mm |
| Maximum Aperture | f/4 |
| Camera System | Medium Format |
| Lens Mount | Pentax 67 |
| Autofocus | No |
| Focus Type | Manual |
| Image Stabilization | None |
| Filter Thread | 82mm |
Description — Pentax 45mm f/4
The Pentax SMC 67 45mm f/4 is a wide-angle prime lens built for the Pentax 67 medium format camera system. With a fixed 45mm focal length, it is well-positioned for landscape, architectural, and expansive scene photography where a wider field of view is desirable. Operating at a maximum aperture of f/4, it gives photographers a solid starting point for exposure control across diverse conditions.
Focus is fully manual, with no autofocus support, making it a natural fit for methodical, considered shooting workflows favored by medium format photographers. The 82mm filter thread provides compatibility with a broad range of large-diameter filters, useful for managing exposure and creative effects in the field. Weighing in at 810 grams, the lens reflects the sturdy build quality associated with Pentax 67 system optics. Image stabilization is not present, so steady technique or appropriate support is recommended.
This lens is exclusively compatible with the Pentax 67 mount and is classified as a medium format, wide-angle prime — a purposeful tool for photographers working within the Pentax 67 ecosystem.
Pros — Pentax 45mm f/4
- ✓Fixed 45mm focal length prime design ensures dedicated optical performance for wide-angle shooting
- ✓Medium format coverage via Pentax 67 mount makes it suitable for large negative or digital medium format capture
- ✓82mm filter thread accommodates a wide selection of large-diameter filters
Cons — Pentax 45mm f/4
- ✗Manual focus only — no autofocus support, which may slow down shooting in fast-paced situations
- ✗Maximum aperture of f/4 is relatively modest, limiting light-gathering capability in low-light conditions
- ✗No image stabilization, requiring careful technique especially at slower shutter speeds
Videos — Pentax 45mm f/4
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