Horseman 55mm f/4.5 Apo-Sironar Digital
The Horseman 55mm f/4.5 is a 55mm f/4.5 lens designed for Lens Board (Technical Camera) mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.
Horseman 55mm f/4.5 Apo-Sironar Digital
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Lens Overview — Horseman 55mm f/4.5
Key Features — Horseman 55mm f/4.5
Rodenstock Apo-Sironar Optics: Built around Rodenstock's apochromatic Sironar Digital optical formula, designed to minimize chromatic aberration and deliver high resolution across the image circle for demanding digital capture.
55mm Wide-Angle Focal Length: A short focal length optimized for architectural, landscape, and interior photography on large format technical cameras.
Large Format Image Circle: Covers a large format image circle, providing sufficient coverage for large digital backs and generous room for camera movements such as tilt, shift, and rise.
f/4.5 Maximum Aperture: A practical aperture for a wide-angle large format prime, balancing optical performance with manageable lens size and weight.
Lens Board Mount: Mounts via a standard technical camera lens board, ensuring compatibility with Horseman technical camera bodies and other systems accepting the same interface.
Manual Focus Design: Fully manual focus operation standard for large format and technical camera workflows, giving photographers precise and repeatable control over focus placement.
Lens Specifications — Horseman 55mm f/4.5
| Spec | Detail |
|---|---|
| Use Cases | Studio, Macro |
| Lens Type | Wide-Angle |
| Format | Large Format |
| Zoom/Prime | Prime |
| Focal Length | 55mm |
| Maximum Aperture | f/4.5 |
| Camera System | Medium Format |
| Lens Mount | Lens Board (Technical Camera) |
| Autofocus | No |
| Focus Type | Manual Focus |
| Image Stabilization | None |
| Weight | 550g |
Description — Horseman 55mm f/4.5
The Horseman 55mm f/4.5 Apo-Sironar Digital is a large format prime lens built for technical camera systems. It mounts via a Lens Board (Technical Camera) interface and is categorized under the Medium Format camera system. With a fixed 55mm focal length, it sits in wide-angle territory and is designed for photographers who require precise manual control over their imaging.
The maximum aperture is f/4.5, providing a consistent exposure value across the frame. Focus is manual only, which aligns with the operational expectations of technical camera photography. The lens weighs 550g and has no image stabilization.
The lens format is designated as Large Format, confirming its coverage capability for large format sensors and film. Whether used for architectural work, landscape photography, or studio capture, the 55mm focal length and lens board mounting system make this a dedicated tool for technical camera users.
Pros — Horseman 55mm f/4.5
- ✓Wide-angle 55mm focal length is well-suited to technical camera shooting styles
- ✓Large format lens format ensures coverage appropriate for large format digital backs and film
- ✓Manual focus design offers precise control expected in technical camera workflows
Cons — Horseman 55mm f/4.5
- ✗No autofocus — manual focus only, which may slow down workflows outside studio or controlled environments
- ✗No image stabilization, which is relevant given the manual-only operation
- ✗No filter thread size listed, making filter compatibility uncertain without further research