Vivitar 28-50mm F/3.5-4.5 Manual Focus Lens For Pentax K Mount

Vivitar 70-210mm f/4.5 Macro MC Breech Lock Lens for Canon FD-Mount $5 Vivitar 70-210mm F/3.5 Series 1 Macro AI Manual Focus Lens For Nikon $11 Vivitar 2X Custom Auto 2X-1 Teleconverter for Pentax Screwmount M42 $10 Vivitar 2X MC Teleconverter for Mamiya RB67 $12 Vivitar 2X Matched Multiplier 70-150mm Teleconverter for Canon FD-Mount $6 Vivitar 70-210mm F/3.5 Series 1 Macro Manual Focus Lens For Olympus OM Mount $19 Vivitar 2X 2X-21 Teleconverter, for Olympus OM Mount $8 Vivitar 28mm f/2.8 SMS Manual Focus Breech Lock Lens for Canon FD-Mount $30