The Vivitar Series 1 70-210 mm f/ 2.8-4 VMC (Cosina) Lens. Specs. MTF Charts. User Reviews.
Vivitar Series 1 24-70mm F/3.8-4.8 VMC Macro | LENS-DB.COM
Vivitar 75-205mm f3.8 – with 2X Converter Pentax K Fit Lens – MrCad Online Store
70-210MM 70-210/3.5 VIVITAR SERIES 1 VMC PENTAX-K MOUNT (HAZE, DUST)/207518 | eBay
Vivitar Series 1 70-200mm F/3.5 Macro Focusing Auto Zoom Lens - Etsy Canada
Buy 28-90MM F 2.8-3.5 VIVITAR Series 1 Lens for PENTAX with Front and Rear CAPS Online at Low Price in India | Vivitar Camera Reviews & Ratings - Amazon.in
Vivitar Series 1------ 70-210mm Line Lens Reviews - Vivitar Lenses - Pentax Lens Review Database
Vivitar Series 1 – 105mm f/2.5 Macro on Sony A7 : ERPhotoReview
VMC Vivitar Series 1 105mm f2.5 1:1 Dental Macro Lens Pentax KA | eBay
Vivitar Series 1 135mm F2.3 VMC on A7R II
Making Not Taking: Vivitar Series 1 90mm f/2.5 VMC 1:2 "Bokina"