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Vivitar Series 1 Teleconverter for Pentax (7 Elements)

B&H # VITC2X7P Mfr # VIV2X7P
No Longer Available
Product Highlights
  • 7 Elements
  • High Definition
  • Multi-Coated Optical Glass
  • Increases Focal Length by 2x
  • Suppresses Aberration
  • Anti-Reflective Coating
  • Pentax Mount
  • Lifetime Warranty

The Vivitar Series 1 Teleconverter for Pentax (7 Elements) with a Pentax mount effectively doubles the focal length of your lens, maintaining its resolution and contrast. The optical design featuring 7 elements yields superior field flatness and edge sharpness compared to converters with fewer elements. The lens elements have an anti-reflective coating which reduces flare and aberrations.

This teleconverter will multiply the focal length of your existing lens by 2x, and will cut back the amount of light by 2 f/stops while maintaining full autofocus coupling. For example, using a 2x teleconverter with a 300mm lens will effectively increase the focal length to 600mm. A lens set to f/2.8 will now be f/5.6.

Teleconverters are not recommended for lenses wider than 50mm, e.g. 28-105mm. However, full AF operation is only possible with lenses with open aperture of f/2.8 or brighter. Please be aware that AF will work properly only if there is enough light and contrast on the subject to activate the camera's AF sensors. Manual focusing is recommended when using lenses with smaller open f-stop values than those given above.

Multi-coated Optical Glass with anti-reflection coating
Doubles focal length of lenses
Manufacturer's Lifetime Warranty
Vivitar Series 1 Teleconverter for Pentax (7 Elements)
  • Case
  • Protective Lens Cap
  • Manufacturer's Lifetime Warranty
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