Bronica ETRS 40mm f/4 Zenzanon MC Lens
The Bronica 40mm f/4 Zenzanon MC is a 40mm f/4 lens designed for Bronica ETR mount cameras. Used copies start from $248.19 on GearFocus, with buyer protection on every purchase.
Bronica ETRS 40mm f/4 Zenzanon MC Lens
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Lens Overview — Bronica 40mm f/4 Zenzanon MC
Key Features — Bronica 40mm f/4 Zenzanon MC
40mm Wide-Angle Prime: Fixed 40mm focal length provides a dedicated wide-angle perspective on the Bronica ETR medium format system, equivalent to roughly 25mm in 35mm terms.
Bronica ETR Mount: Purpose-built for the Bronica ETR system, ensuring direct mechanical compatibility with ETRS and ETRSi bodies.
Zenzanon MC Optics: Multi-coated optical construction reduces flare and ghosting for improved contrast and color fidelity in wide-angle shooting.
f/4 Maximum Aperture: A maximum aperture of f/4 sets a consistent exposure baseline suited to tripod-based and well-lit medium format work.
Manual Focus Only: Sole focus method is manual, supporting the deliberate, considered shooting workflow typical of medium format photography.
95mm Filter Thread: Large front filter thread accommodates the image circle required by the medium format system, accepting standard 95mm filters.
Lens Specifications — Bronica 40mm f/4 Zenzanon MC
| Spec | Detail |
|---|---|
| Use Cases | Landscape, Architecture, Travel |
| Lens Type | Wide-Angle |
| Format | Medium Format |
| Zoom/Prime | Prime |
| Focal Length | 40mm |
| Maximum Aperture | f/4 |
| Camera System | Medium Format |
| Lens Mount | Bronica ETR |
| Autofocus | No |
| Focus Type | Manual |
| Image Stabilization | None |
| Filter Thread | 95mm |
Description — Bronica 40mm f/4 Zenzanon MC
The Bronica ETRS 40mm f/4 Zenzanon MC is a wide-angle prime lens designed exclusively for the Bronica ETR medium format mount. Operating at a fixed 40mm focal length, it brings a wide perspective to medium format shooting without the variable compromises of a zoom design. The f/4 maximum aperture defines its exposure characteristics, and the lens is built to cover the demands of the medium format image circle.
A 95mm filter thread allows for the use of appropriately sized front filters, though photographers should be aware that 95mm filters represent a significant investment. The lens weighs 600g, reflecting the robust construction expected of medium format optics. Focusing is entirely manual, with no autofocus system present, which suits the deliberate pace many medium format photographers prefer. No image stabilization is included, so stable shooting platforms are recommended for the best results.
This is a lens designed for photographers already invested in the Bronica ETR system who want a dedicated wide-angle prime option in their kit.
Pros — Bronica 40mm f/4 Zenzanon MC
- ✓Fixed 40mm focal length provides a dedicated wide-angle perspective for the Bronica ETR medium format system
- ✓Maximum aperture of f/4 offers a defined exposure baseline for medium format shooting
- ✓Large 95mm filter thread accommodates appropriately sized filters for the medium format image circle
Cons — Bronica 40mm f/4 Zenzanon MC
- ✗Manual focus only — no autofocus capability, requiring a fully hands-on shooting approach
- ✗No image stabilization, limiting handheld use in lower light conditions
- ✗Large 95mm filter thread means filters are expensive and less commonly available
Videos — Bronica 40mm f/4 Zenzanon MC
Bronica ETRSi Review — Compact 645 Medium Format — Kyle McDougall