Quick answer
The Tamron SP 200-400mm f/5.6 Adaptall-2 is a telephoto to super telephoto telephoto zoom lens covering 200-400mm at f/5.6 for the Pentax K mount. Its smaller maximum aperture favours daylight shooting and keeps the lens compact.
About this lens
A 200-400mm f/5.6 telephoto zoom lens, the Tamron SP 200-400mm f/5.6 Adaptall-2 is designed for Pentax K mount bodies, from the Tamron SP series. The range suits sports, wildlife, events and portraits.
Tamron SP 200-400mm f/5.6 Adaptall-2 specifications
- Brand
- Tamron
- Mount
- Pentax K
- Focal length
- 200-400mm
- Maximum aperture
- f/5.6
- Lens type
- Telephoto Zoom
What can you shoot with the Tamron SP 200-400mm f/5.6 Adaptall-2?
At 200-400mm this is a telephoto to super telephoto telephoto zoom, which typically suits:
- Sports and action
- Wildlife and birds at moderate distance
- Compressing distant landscapes
- Wildlife and birds
- Motorsport and field sports
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. Not measured.
| Sensor | Crop | Equivalent | Horizontal FOV | Diagonal FOV |
|---|---|---|---|---|
| Full frame | 1.0x | 200–400mm | 5.2–10.3° | 6.2–12.3° |
| APS-C | 1.5x | 300–600mm | 3.4–6.9° | 4.1–8.2° |
Frequently asked questions
What mount does the Tamron SP 200-400mm f/5.6 Adaptall-2 use?
It uses the Pentax K mount, so it fits Pentax K cameras directly.
What is the focal length of the Tamron SP 200-400mm f/5.6 Adaptall-2?
It zooms across 200-400mm with a maximum aperture of f/5.6. That makes it a telephoto to super telephoto lens.
Is the Tamron SP 200-400mm f/5.6 Adaptall-2 a prime or a zoom lens?
It is a zoom lens covering 200-400mm, so you can reframe without moving. Its maximum aperture is f/5.6.
What is the Tamron SP 200-400mm f/5.6 Adaptall-2 equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 300–600mm on full frame, with a 3.4–6.9° horizontal and 4.1–8.2° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Tamron SP 200-400mm f/5.6 Adaptall-2 fit?
Any Pentax K-mount camera, including Pentax K-1, Pentax K-3, Pentax K-3 II, Pentax K-3 Mark III, and Pentax K-30 and 15 more.
Alternatives for Pentax K from other brands
All Pentax K lensesSame mount, overlapping focal range, closest maximum aperture first.
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