Vivitar Series 1 90mm 2.5 Macro: Pentax SLR Talk Forum: Digital Photography Review
VIVITAR Series 1 - 90mm F2.5 Macro Adapter CANON FD Mount Lens w/ 2 Caps & Case for Sale in Miami, FL - OfferUp
Vivitar Series 1 90mm f2.5 Macro Adapter for AI Nikon F-Mount at KEH Camera
Vivitar Series 1 90mm f2.5 Macro Adapter Breech Lock for Canon FD-Mount at KEH Camera
Making Not Taking: Vivitar Series 1 90mm f/2.5 VMC 1:2 "Bokina"
VIVITAR Series 1 - 90mm F2.5 Macro Adapter CANON FD Mount Lens w/ 2 Caps & Case for Sale in Miami, FL - OfferUp
Showcase - Vivitar Series 1 90mm f2.5 Macro | Mu-43
Macro Adapter For Vivitar Series 1 90mm F2.5 Canon FD Mount Lens For SLR Camera | eBay
Bought an amazing Vivitar Series 1 90mm f/2.5 awhile back. This lens has proven to be so much more than just a macro lens, so versatile and laser sharp! : r/VintageLenses