Vivitar Series 1 90-180mm F/4.5 Flat Field
- Mount
- PENTAX K
- Focal Length
- 90-180mm
- Max Aperture
- F/4.5
- Type
- Telephoto
- Brand
- Unknown
Vivitar Series 1 flat-field zoom lens for the Pentax K mount, with a 90–180mm focal range and maximum aperture of f/4.5. Designed for subjects needing moderate telephoto magnification with a flatter image field.
Last verified: 2026-04-27