Bower 2x DGII Teleconverter (4 Element) for Canon EF Lens

Bower

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$104.90
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About Bower SX4DGC

The Bower's 2x DGII Teleconverter (4 Element) for Canon will effectively double the focal length of your Canon lens, while maintaining the autofocus function. A 50 mm lens becomes a 100 mm lens. The teleconverter uses multi-coated optics to deliver high-quality images. With an 85 mm f/1.4 lens, for example, the focal length will become 170 mm, which effectively sets the maximum aperture at f/2.8 (cutting the amount of light captured by two f/stops). This teleconverter is a portable and versatile accessory that's well worth having in your camera bag. It's only compatible with EF mount lenses with a maximum aperture greater than f/4.0 in order to fully utilize its autofocus capabilities.

Bower SX4DGC Features

  • Doubles Focal Length of EF Lens

Bower SX4DGC Specifications

Magnification
2x
Lens Elements/Groups
4 elements
Length
1.75" (4.44 cm)
Diameter
2.65" (6.73 cm)
Weight
6.39 oz (181 g)
Q&A

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Questions about this item:

RAFAT S  does it work wz canon 60D & lens EFS 18-200MM & HOW IT WILL B WZ THE TELECONVERTER?
DENNIS W  I've used it with a Tokina 50-135mm f2.8 and the canon ef 50mm f1.8. The doubled images are less sharp but provide better detail vs the lenses alone. I find the doubler especially good for shots of the moon. The doubler seems to reduce lens flare in final images.
Shopper  I have a Canon EOS Rebel XTi with a Canon EF 75-300mm IS 4-5.6 ultrasonic lens will this converter work and be fully AF? If not want do you recommend that will be AF?
JAMES I  It may work. However you will loose autofocus as the aperture will not allow enough light to enter. For a 2X you will have to start with a 2.8 lens to have autofocus.
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