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Kenko 2x Teleplus MC4 Autofocus Teleconverter for Pentax AF

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Kenko 2x Teleplus MC4 Autofocus Teleconverter for Pentax AF

Used Cat.# 946674
No Longer Available
This item has been sold

The 2x teleconverter (also known as a tele-extender) will multiply the focal length of the existing lens by 2x, and will cut back the amount of light by 2 f/stops. For example, using a 2x teleconverter with a 300 mm lens will effectively increase the focal length to 600 mm. 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 value than those given above.

Lens construction
4 elements
Length
1" (25mm)
Weight
6 oz (170 g)
Kenko 2x Teleplus MC4 Autofocus Teleconverter for Pentax AF
  • Front & Rear Lens Caps
  • 90-Day B&H Used Warranty
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