Photo: Denis Barthel (CC BY-SA 4.0)
Quick answer
The Beroflex 1:8 500mm is a super telephoto prime lens covering 500mm at f/8.0 for the T-Mount mount. Its smaller maximum aperture favours daylight shooting and keeps the lens compact.
About this lens
A 500mm f/8 manual-focus telephoto prime lens, the Beroflex 1:8 500mm is designed for T-Mount mount bodies. It brings distant subjects closer for sports, wildlife and events.
Beroflex 1:8 500mm specifications
What can you shoot with the Beroflex 1:8 500mm?
At 500mm this is a super telephoto prime, which typically suits:
- Wildlife and birds
- Motorsport and field sports
- Distant subjects and the moon
Its smaller maximum aperture favours daylight shooting and keeps the lens compact.
Full-frame equivalent and field of view
Calculated from the focal length and crop factor (adapted mount, so sensor size depends on your camera). Not measured.
| Sensor | Crop | Equivalent | Horizontal FOV | Diagonal FOV |
|---|---|---|---|---|
| Full frame | 1.0x | 500mm | 4.1° | 5° |
| APS-C | 1.5x | 750mm | 2.7° | 3.3° |
| Micro Four Thirds | 2.0x | 1000mm | 2.1° | 2.5° |
Frequently asked questions
What mount does the Beroflex 1:8 500mm use?
It uses the T-Mount mount, so it fits T-Mount cameras directly and can be used on other systems through a mount adapter.
What is the focal length of the Beroflex 1:8 500mm?
It is a fixed 500mm lens with a maximum aperture of f/8.0. That makes it a super telephoto lens.
Is the Beroflex 1:8 500mm a prime or a zoom lens?
It is a prime lens with a fixed 500mm focal length. Primes usually open wider than zooms; this one opens to f/8.0.
What is the Beroflex 1:8 500mm equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 750mm on full frame, with a 2.7° horizontal and 3.3° diagonal field of view. On Micro Four Thirds (2x crop) it frames like 1000mm on full frame, with a 2.1° horizontal and 2.5° diagonal field of view. These figures are calculated from the focal length and crop factor.
Alternatives for T-Mount from other brands
All T-Mount lensesSame mount, overlapping focal range, closest maximum aperture first.
