AstrHori 75mm f/4
The AstrHori 75mm f/4 is a 75mm f/4 lens designed for Lens Board (Technical Camera) mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

AstrHori 75mm f/4
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Lens Overview — AstrHori 75mm f/4
Key Features — AstrHori 75mm f/4
75mm Medium Format Prime: Fixed focal length designed specifically for medium format imaging, delivering a standard-to-short telephoto perspective across a larger image circle.
Lens Board Mount: Mounts via a standard technical camera lens board, making it compatible with view cameras and other technical camera systems.
f/4 Maximum Aperture: Provides adequate light transmission for a medium format prime, suitable for controlled shooting environments typical of technical camera work.
Manual Focus Operation: Full manual focus control suits the deliberate, precise shooting style associated with technical and view camera workflows.
67mm Filter Thread: A widely available filter size that makes it easy to source compatible filters and accessories.
Build Weight: Solid, substantial construction for a medium format prime lens intended for technical camera use.
Lens Specifications — AstrHori 75mm f/4
| Spec | Detail |
|---|---|
| Use Cases | Studio |
| Lens Type | Prime |
| Format | Medium Format |
| Zoom/Prime | Prime |
| Focal Length | 75mm |
| Maximum Aperture | f/4 |
| Camera System | Medium Format |
| Lens Mount | Lens Board (Technical Camera) |
| Autofocus | No |
| Focus Type | Manual |
| Image Stabilization | None |
| Filter Thread | 67mm |
Description — AstrHori 75mm f/4
The AstrHori 75mm f/4 is a medium format prime lens with a fixed 75mm focal length, sitting in the telephoto range for medium format imaging. It mounts via a Lens Board (Technical Camera) interface, making it purpose-built for technical camera systems. With a maximum aperture of f/4 and fully manual focus operation, this lens suits the deliberate shooting style associated with technical camera photography.
The 67mm filter thread is a practical, widely supported size, and the lens weighs in at 675g — substantial but appropriate for a medium format prime. There is no image stabilization, which is consistent with technical camera usage where stability is managed externally. The AstrHori 75mm f/4 offers a focused, no-frills specification set tailored to photographers who value precision and control in their medium format technical camera workflow.
Pros — AstrHori 75mm f/4
- ✓Fixed 75mm focal length in the telephoto range offers a dedicated, purpose-built perspective for medium format work
- ✓Maximum aperture of f/4 provides usable light gathering for a medium format prime
- ✓Lens Board (Technical Camera) mount makes it compatible with technical camera systems
Cons — AstrHori 75mm f/4
- ✗Manual focus only — no autofocus support, requiring hands-on focus control for every shot
- ✗f/4 maximum aperture is modest and limits performance in lower light situations
- ✗No image stabilization, placing full responsibility for camera steadiness on the photographer or support system
Videos — AstrHori 75mm f/4
Astrhori 14mm f/4.5 Pancake lens review — Christopher Frost
Frequently Asked Questions — AstrHori 75mm f/4
What camera systems is the AstrHori 75mm f/4 compatible with?+
The AstrHori 75mm f/4 uses a Lens Board (Technical Camera) mount, meaning it is designed for use with technical cameras that accept lens board fittings. It is specified as a medium format lens, so it is intended for medium format technical camera systems.
Does the AstrHori 75mm f/4 support autofocus?+
No, the AstrHori 75mm f/4 is a manual focus only lens. There is no autofocus mechanism, which is consistent with the technical camera workflow where precise manual focus control is the norm.
What filter size does the AstrHori 75mm f/4 accept?+
The lens has a 67mm filter thread, allowing you to use standard 67mm screw-in filters. This is a common filter diameter and accessories are widely available from many manufacturers.
How heavy is the AstrHori 75mm f/4?+
The AstrHori 75mm f/4 weighs 675g. This is a solid but manageable weight for a medium format prime lens intended for technical camera use.
Does the AstrHori 75mm f/4 have image stabilization?+
No, the lens has no image stabilization. For technical camera shooting, stability is typically managed through the camera support system rather than in-lens stabilization.