Pentax smc FA 645 80-160mm f/4.5 Lens
The Pentax 80-160mm f/4.5 is a 80–160mm f/4.5 lens designed for Pentax 645 mount cameras. Used copies start from $170.68 on GearFocus, with buyer protection on every purchase.
Pentax smc FA 645 80-160mm f/4.5 Lens
Used Pentax 80-160mm f/4.5 Listings on GearFocus
Lens Overview — Pentax 80-160mm f/4.5
Key Features — Pentax 80-160mm f/4.5
80-160mm Medium Format Zoom: Covers standard to short telephoto focal lengths on the Pentax 645 system, equivalent to roughly 50-100mm in 35mm terms.
Constant f/4.5 Aperture: Maximum aperture stays fixed at f/4.5 throughout the zoom range, ensuring consistent exposure without compensation when zooming.
Autofocus and Manual Focus: Supports both AF and MF operation, giving photographers the option to shoot quickly or take precise manual control when needed.
Pentax 645 Native Mount: Designed specifically for the Pentax 645 medium format system, ensuring full optical and electronic compatibility with 645 bodies.
smc Lens Coating: Pentax's Super Multi Coating reduces flare and ghosting, helping maintain contrast and color accuracy in challenging lighting conditions.
77mm Filter Thread: Accepts widely available 77mm filters, making it straightforward to pair with polarizers, ND filters, and other common accessories.
Lens Specifications — Pentax 80-160mm f/4.5
| Spec | Detail |
|---|---|
| Use Cases | Studio |
| Lens Type | Zoom |
| Format | Medium Format |
| Zoom/Prime | Zoom |
| Focal Length | 80–160mm |
| Maximum Aperture | f/4.5 |
| Camera System | Medium Format |
| Lens Mount | Pentax 645 |
| Autofocus | Yes |
| Focus Type | Auto, Manual |
| Image Stabilization | None |
| Filter Thread | 77mm |
Description — Pentax 80-160mm f/4.5
The Pentax smc FA 645 80-160mm f/4.5 is a medium format zoom lens built natively for the Pentax 645 mount. It spans a focal length range of 80mm to 160mm, placing it within the standard zoom category for the 645 system. The lens maintains a maximum aperture of f/4.5 across its full zoom range, offering consistent exposure settings as you zoom in or out.
Both autofocus and manual focus are supported, allowing photographers to adapt their approach to the demands of any scene. With a 77mm filter thread, the lens is compatible with a broad selection of commercially available filters. Weighing 1010g, it is a substantial piece of glass built to the demands of medium format imaging. Image stabilization is not included, so steady handheld technique or a stable support system is recommended, particularly at the longer end of the zoom range.
This lens is suited to Pentax 645 system photographers seeking a versatile zoom covering standard to short telephoto focal lengths.
Pros — Pentax 80-160mm f/4.5
- ✓Covers an 80–160mm zoom range on the Pentax 645 system, providing standard to short telephoto reach
- ✓Maximum aperture of f/4.5 is consistent across the full zoom range
- ✓Supports both autofocus and manual focus for flexible operation
Cons — Pentax 80-160mm f/4.5
- ✗No image stabilization, which can be a challenge for handheld shooting at the telephoto end
- ✗At 1010g, the lens is on the heavier side, adding notable weight to a medium format kit
- ✗Maximum aperture of f/4.5 limits light gathering compared to faster alternatives
Videos — Pentax 80-160mm f/4.5
Adapted Lenses on the Fuji GFX - Pentax-A 645 Zoom 80-160mm F/4,5 — Peter's Photography