Sigma-XQ 500mm F/8 Mirror Ultra-Telephoto
- Mount
- T MOUNT
- Focal Length
- 500mm
- Max Aperture
- F/8
- Type
- Mirror
- Brand
- Unknown
500mm F/8 mirror (catadioptric) prime ultra-telephoto lens for long-distance subjects on T-mount cameras. Fixed aperture at f/8; used for distant wildlife or astronomy where compact optics are desired.
Last verified: 2026-04-27