Mamiya Sekor Z 180mm f/4.5 W-N Lens
The Mamiya 180mm f/4.5 W-N is a 180mm f/4.5 lens designed for Mamiya RZ mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.
Mamiya Sekor Z 180mm f/4.5 W-N Lens
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Lens Overview — Mamiya 180mm f/4.5 W-N
Key Features — Mamiya 180mm f/4.5 W-N
180mm Medium Format Prime: A fixed focal length designed to cover the larger image circle of medium format, ideal for portraits, studio work, and detail photography.
Mamiya RZ Mount: Native mount for the Mamiya RZ67 system ensures full mechanical compatibility without adapters or compromises.
f/4.5 Maximum Aperture: Provides a workable exposure latitude in controlled studio and natural light conditions typical of medium format shooting.
Manual Focus Design: Fully manual focus operation suits the deliberate, tripod-based workflows that medium format photography demands.
77mm Filter Thread: Accepts widely available 77mm filters for polarizers, ND, and other accessories without step-up rings.
1,100g Solid Build: Substantial construction consistent with professional medium format glass of this era, built to withstand regular studio use.
Lens Specifications — Mamiya 180mm f/4.5 W-N
| Spec | Detail |
|---|---|
| Use Cases | Portrait, Studio, Product |
| Lens Type | Telephoto |
| Format | Medium Format |
| Zoom/Prime | Prime |
| Focal Length | 180mm |
| Maximum Aperture | f/4.5 |
| Camera System | Medium Format |
| Lens Mount | Mamiya RZ |
| Autofocus | No |
| Focus Type | Manual |
| Image Stabilization | None |
| Filter Thread | 77mm |
Description — Mamiya 180mm f/4.5 W-N
The Mamiya Sekor Z 180mm f/4.5 W-N is a medium format telephoto prime lens built for the Mamiya RZ mount system. With a fixed 180mm focal length and a maximum aperture of f/4.5, it delivers a consistent shooting experience suited to controlled environments where careful composition and manual technique are prioritized. Focusing is manual only, which aligns naturally with the deliberate pace of medium format photography.
The lens features a 77mm filter thread, offering broad compatibility with standard filter accessories without the need for adapters. Weighing in at 1100g, it is a solidly built piece of glass that benefits from tripod support during use. Image stabilization is not present, so a steady platform and appropriate technique are recommended.
This lens is a purpose-built option for photographers already invested in the Mamiya RZ system who need a dedicated telephoto prime in their kit.
Pros — Mamiya 180mm f/4.5 W-N
- ✓Dedicated Mamiya RZ mount ensures native compatibility with the RZ camera system
- ✓180mm prime focal length offers a focused, distraction-free shooting experience
- ✓77mm filter thread is a common standard, making filter accessories easy to source
Cons — Mamiya 180mm f/4.5 W-N
- ✗Manual focus only — no autofocus support for faster-paced shooting scenarios
- ✗Maximum aperture of f/4.5 is relatively modest, limiting performance in low-light situations
- ✗At 1100g, the lens is heavy and best suited to tripod or supported use
Videos — Mamiya 180mm f/4.5 W-N
Shooting with a 180mm Medium Format Lens! — Willem Verbeeck








