2X TeleConverter for 500mm 800mm 650-1300mm Lenses
Click Image for Gallery
Opteka High Definition 2X Telephoto Converter for Opteka Samyang or Rokinon 650-1300mm, 500mm and 800mm SLR Lenses
Opteka 2X TeleConverter for the Opteka 500mm/800mm/650-1300mm Lenses
The Opteka 2x High Definition Tele-Converter is for use with T-Mount manual focus lenses. It will multiply the focal length of your existing lens by 2x, and will cut back the amount of light by two f/stops.
For example, using a 2x tele-converter with a 500mm lens will effectively increase the focal length to 1000mm. A lens set to f/2.8 will now be f/5.6.
Focus Modes Manual Focus
Diameter 42mm
Length 50mm
Weight 80g
Opteka 2X TeleConverter for the Opteka 500mm/800mm/650-1300mm Lenses
The Opteka 2x High Definition Tele-Converter is for use with T-Mount manual focus lenses. It will multiply the focal length of your existing lens by 2x, and will cut back the amount of light by two f/stops.
For example, using a 2x tele-converter with a 500mm lens will effectively increase the focal length to 1000mm. A lens set to f/2.8 will now be f/5.6.
Focus Modes Manual Focus
Diameter 42mm
Length 50mm
Weight 80g