Konica MF 1000mm f/8 Hexanon Reflex Lens
The Konica MF 1000mm f/8 Reflex is a 1000mm f/8 lens designed for Konica AR mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

Konica MF 1000mm f/8 Hexanon Reflex Lens
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Lens Overview — Konica MF 1000mm f/8 Reflex
Key Features — Konica MF 1000mm f/8 Reflex
1000mm Prime Focal Length: Delivers extreme reach for distant subjects such as wildlife, aircraft, or celestial bodies without any zoom compromise.
Reflex Mirror Optical Design: Uses a catadioptric (mirror) construction to achieve 1000mm in a far more compact and lighter package than a conventional refractive telephoto would allow.
Manageable Weight for 1000mm: At 2kg, this lens is notably lighter than a traditional refractive 1000mm optic, making it more practical to transport and mount.
Fixed f/8 Aperture: A constant maximum aperture simplifies metering and exposure decisions, though it cannot be stopped down further.
Full-Frame Coverage: Designed to cover the full 35mm frame, making it usable on both full-frame and APS-C SLR bodies with the Konica AR mount.
Manual Focus Only: Requires deliberate, hands-on focus control — a tripod and careful technique are essential at this focal length.
Lens Specifications — Konica MF 1000mm f/8 Reflex
| Spec | Detail |
|---|---|
| Use Cases | Wildlife, Astrophotography |
| Lens Type | Prime |
| Format | Full Frame |
| Zoom/Prime | Prime |
| Focal Length | 1000mm |
| Maximum Aperture | f/8 |
| Camera System | SLR |
| Lens Mount | Konica AR |
| Autofocus | No |
| Focus Type | Manual |
| Image Stabilization | None |
| Weight | 2000g |
Description — Konica MF 1000mm f/8 Reflex
The Konica Hexanon Reflex is a 1000mm prime super-telephoto lens covering the full-frame format, built for Konica AR mount SLR cameras. Operating as a manual focus only lens, it places full focus control in the hands of the photographer — a workflow suited to methodical, deliberate shooting. The aperture is fixed at f/8, delivering consistent exposure without the option to vary depth of field through aperture adjustment.
The reflex (mirror) optical design makes this kind of extreme focal length achievable at a weight of 2000g, which is notably lighter than equivalent refractive super-telephoto designs. There is no image stabilization, so a tripod or monopod is essential equipment when working at this focal length. The Konica AR mount is a legacy SLR system, and adapters will typically be required for shooters looking to use this lens on modern digital bodies.
Classified as a Special Effect type lens, this Hexanon Reflex occupies a niche but distinct place for photographers seeking extreme telephoto reach on compatible SLR systems.
Pros — Konica MF 1000mm f/8 Reflex
- ✓Extreme 1000mm focal length (minFocalLength / maxFocalLength: 1000mm) delivers massive reach for a prime super-telephoto
- ✓Full-frame coverage (lensFormat: Full Frame) ensures compatibility across both full-frame and crop-sensor SLR bodies
- ✓Reflex mirror design keeps weight at a manageable 2000g (weight.value: 2000g) for a lens of this focal length
Cons — Konica MF 1000mm f/8 Reflex
- ✗Manual focus only (autoFocus: false) demands patience and a steady setup — no autofocus assistance at any point
- ✗Fixed f/8 aperture (maximumAperture: 8) offers no ability to open up for more light or shallower depth of field
- ✗No image stabilization (imageStabilization: None) makes handheld shooting at 1000mm extremely difficult
Videos — Konica MF 1000mm f/8 Reflex
Five Pentax lenses that didn't get their own video (until now). Number 3 & 4 I would buy again! — snappiness


