Tamron 400mm F/8 T Mount Model YO-8
- Mount
- T MOUNT
- Focal Length
- 400mm
- Max Aperture
- F/8
- Type
- Telephoto
- Brand
- Unknown
400mm prime T-mount lens set at f/8, intended for long-distance imaging such as astronomy or fixed-mount telephoto use. The small maximum aperture suggests use where light level is not the limiting factor.
Last verified: 2026-04-27