Quick answer
The Tamron 300mm f/5.6 Adaptall-2 is a telephoto telephoto lens covering 300mm at f/5.6 for the Olympus OM mount. Its smaller maximum aperture favours daylight shooting and keeps the lens compact.
About this lens
The Tamron 300mm f/5.6 Adaptall-2 is a manual-focus telephoto prime lens covering 300mm at f/5.6 for Olympus OM mount cameras. It brings distant subjects closer for sports, wildlife and events.
Tamron 300mm f/5.6 Adaptall-2 specifications
- Brand
- Tamron
- Mount
- Olympus OM
- Focal length
- 300mm
- Maximum aperture
- f/5.6
- Lens type
- Telephoto
What can you shoot with the Tamron 300mm f/5.6 Adaptall-2?
At 300mm this is a telephoto telephoto, which typically suits:
- Sports and action
- Wildlife and birds at moderate distance
- Compressing distant landscapes
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 | 300mm | 6.9° | 8.2° |
| APS-C | 1.5x | 450mm | 4.6° | 5.5° |
| Micro Four Thirds | 2.0x | 600mm | 3.4° | 4.1° |
Frequently asked questions
What mount does the Tamron 300mm f/5.6 Adaptall-2 use?
It uses the Olympus OM mount, so it fits Olympus OM cameras directly and can be used on other systems through a mount adapter.
What is the focal length of the Tamron 300mm f/5.6 Adaptall-2?
It is a fixed 300mm lens with a maximum aperture of f/5.6. That makes it a telephoto lens.
Is the Tamron 300mm f/5.6 Adaptall-2 a prime or a zoom lens?
It is a prime lens with a fixed 300mm focal length. Primes usually open wider than zooms; this one opens to f/5.6.
What is the Tamron 300mm f/5.6 Adaptall-2 equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 450mm on full frame, with a 4.6° horizontal and 5.5° diagonal field of view. On Micro Four Thirds (2x crop) it frames like 600mm on full frame, with a 3.4° horizontal and 4.1° diagonal field of view. These figures are calculated from the focal length and crop factor.
Alternatives for Olympus OM from other brands
All Olympus OM lensesSame mount, overlapping focal range, closest maximum aperture first.
