Optical devices used between camera and lens to magnify middle part of projected image, effectively turning the lens into a longer (but slower) one.
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How does a teleconverter affect depth of field?
I'm aware that a teleconverter will reduce the amount of light reaching the film or sensor in a camera, and as such you hear people banding around things like "With a 2x teleconverter this 300mm f/2.8 ...
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For greater telephoto range, should I use 70-200mm + teleconverter or a longer zoom lens?
Right now, I have a Nikon 18-200mm f/3.5-f/5.6 VR lens. I like it, but want more telephoto range and would also like to be able to use faster shutter speeds. I am interested in the 70-200mm f/2.8, but ...
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What is the difference between teleconverters and extension tubes?
I'm aware of two devices that can extend the reach of a lens: the teleconverter and the extension tubes. What else would they have in common, and where do they differ?
Are there situations where one ...
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Canon extender 2x III with 70-200mm F4L vs 100-400mm F4.5-5.6L for wildlife shooting
Photography.SE, hello there, this is my first question, hence please pardon my inexperience of phrasing the question.
I am about to go to Yosemite and Yellowstone for 3 weeks next month, and ...
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What is a “2.2X Pro Telephoto” lens?
I am looking to enter the world of SLR cameras and learning some more about lenses. I came across a package that has a 2.2X pro Telephoto what exactly does that mean and how does it work? (Please ...
