Minolta 250mm f/5.6 RF Rokkor-X Lens
The Minolta 250mm f/5.6 RF is a 250mm f/5.6 lens designed for Minolta SR mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.
Minolta 250mm f/5.6 RF Rokkor-X Lens
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Lens Overview — Minolta 250mm f/5.6 RF
Key Features — Minolta 250mm f/5.6 RF
250mm Reflex Design: Mirror lens construction achieves a 250mm focal length in a significantly more compact and lightweight body than conventional telephoto primes.
435g Compact Build: Weighing just 435g, this lens is notably light for a 250mm telephoto, making it easier to handhold or carry on long shoots.
Fixed f/5.6 Aperture: Reflex lens design means the aperture is fixed at f/5.6 with no variable iris, which is a standard characteristic of mirror telephoto lenses.
Minolta SR Mount: Designed for Minolta SR-mount SLR cameras with full-frame coverage, and can be adapted to modern mirrorless systems with the appropriate adapter.
Manual Focus Only: Fully manual focus operation requires careful technique at 250mm where depth of field is shallow and subject tracking demands precision.
Rear Filter Thread: The 39mm filter thread is located at the rear of the lens, as is typical for reflex designs — buyers should verify filter compatibility before purchasing.
Lens Specifications — Minolta 250mm f/5.6 RF
| Spec | Detail |
|---|---|
| Use Cases | Wildlife, Birding, Sports |
| Lens Type | Telephoto |
| Format | Full Frame |
| Zoom/Prime | Prime |
| Focal Length | 250mm |
| Maximum Aperture | f/5.6 |
| Camera System | SLR |
| Lens Mount | Minolta SR |
| Autofocus | No |
| Focus Type | Manual |
| Image Stabilization | None |
| Filter Thread | 39mm |
Description — Minolta 250mm f/5.6 RF
The Minolta 250mm f/5.6 RF Rokkor-X is a prime telephoto lens designed for full-frame SLR cameras on the Minolta SR mount. With a focal length of 250mm and a fixed maximum aperture of f/5.6, it delivers consistent exposure characteristics across all focus distances. The reflex (mirror) optical design allows the lens to achieve this telephoto reach while keeping the overall weight to just 435g — making it a portable option among 250mm primes.
Focusing is manual only, requiring photographers to work carefully at telephoto distances. There is no image stabilization, so steady shooting technique or tripod use is recommended. The 39mm filter thread provides an attachment point for compatible accessories, though buyers should confirm whether filters mount at the front or rear of this reflex design.
This lens appeals to Minolta SR-system shooters, manual focus enthusiasts, and collectors seeking a lightweight telephoto option with a long optical heritage.
Pros — Minolta 250mm f/5.6 RF
- ✓Lightweight at just 435g for a 250mm telephoto prime
- ✓Full-frame coverage with the Minolta SR mount
- ✓Compact form factor relative to its 250mm focal length
Cons — Minolta 250mm f/5.6 RF
- ✗Fixed f/5.6 aperture cannot be adjusted, limiting exposure control flexibility
- ✗Manual focus only — no autofocus capability
- ✗No image stabilization, which can be challenging to manage at 250mm
Videos — Minolta 250mm f/5.6 RF
4k Video Field Test | Legacy Lens : Minolta 250mm f/5.6 RF Rokkor-X — KEH Camera