Photo: Kurt Bauschardt from Edmonton, Canada (CC BY-SA 2.0)
Quick answer
The Tamron 500mm f/8 Mirror Adaptall-2 is a super telephoto mirror lens covering 500mm at f/8.0 for the Canon FD mount. Its smaller maximum aperture favours daylight shooting and keeps the lens compact.
About this lens
This 500mm f/8 manual-focus mirror telephoto lens from Tamron fits Canon FD mount cameras. Its catadioptric design keeps a long focal length compact and light.
Tamron 500mm f/8 Mirror Adaptall-2 specifications
- Brand
- Tamron
- Mount
- Canon FD
- Focal length
- 500mm
- Maximum aperture
- f/8.0
- Lens type
- Mirror
- Format coverage
- full-frame
- Optical construction
- 7 elements in 4 groups
- Autofocus motor
- none
- Minimum focus distance
- 1.7 m
Specification source: en.wikipedia.org
What can you shoot with the Tamron 500mm f/8 Mirror Adaptall-2?
At 500mm this is a super telephoto mirror, 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 | 1.6x | 800mm | 2.6° | 3.1° |
| Micro Four Thirds | 2.0x | 1000mm | 2.1° | 2.5° |
Frequently asked questions
What mount does the Tamron 500mm f/8 Mirror Adaptall-2 use?
It uses the Canon FD mount, so it fits Canon FD cameras directly and can be used on other systems through a mount adapter.
What is the focal length of the Tamron 500mm f/8 Mirror Adaptall-2?
It is a fixed 500mm lens with a maximum aperture of f/8.0. That makes it a super telephoto lens.
Is the Tamron 500mm f/8 Mirror Adaptall-2 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 Tamron 500mm f/8 Mirror Adaptall-2 equivalent on a crop sensor?
On APS-C (1.6x crop) it frames like 800mm on full frame, with a 2.6° horizontal and 3.1° 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 Canon FD from other brands
All Canon FD lensesSame mount, overlapping focal range, closest maximum aperture first.
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