Quick answer
The Tamron SP 300mm f/5.6 Adaptall-2 is a telephoto telephoto lens covering 300mm at f/5.6 for the Tamron Adaptall mount. Its smaller maximum aperture favours daylight shooting and keeps the lens compact.
About this lens
This 300mm f/5.6 manual-focus telephoto prime lens from Tamron fits Tamron Adaptall mount cameras, from the Tamron SP series. It brings distant subjects closer for sports, wildlife and events.
Tamron SP 300mm f/5.6 Adaptall-2 specifications
- Brand
- Tamron
- Mount
- Tamron Adaptall
- Focal length
- 300mm
- Maximum aperture
- f/5.6
- Lens type
- Telephoto
What can you shoot with the Tamron SP 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 SP 300mm f/5.6 Adaptall-2 use?
It uses the Tamron Adaptall mount, so it fits Tamron Adaptall cameras directly and can be used on other systems through a mount adapter.
What is the focal length of the Tamron SP 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 SP 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 SP 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.
