This classic Vivitar 28mm f2.8 manual focus wide angle lens supports automatic aperture (Tv, P) modes in addition to Av and M.
- Image Format - Full-frame / 35mm film
- Lens Mount - Pentax K & KA
- Aperture Ring - Yes (A setting)
- Diaphragm - Automatic, 5 blades
- Optics - 7 elements, 7 groups
- Mount Variant - KA
- Max. Aperture - F2.8
- Min. Aperture - F22
- Min. Focus - 30 cm
- Max. Magnification - 0.13x
- Filter Size - 49mm
- Field of View (Diag. / Horiz.) - APS-C: 55° / 46°, Full frame: 75° / 65°
- Hood - Pentax rectangular 49mm clip-on hood for 28/35mm lenses will fit
- Diam x Length - 63 x 37 mm (2.5 x 1.5 in.)
- Weight - 180g (6.4oz)
- Production Years - 1984 to 1988
This is a Vivitar MC 28mm f2.8 wide angle lens for Pentax K & KA bayonet film SLR cameras, and some digital SLRs also, in very good condition and full working order, complete with original lens caps