extenders

greenspun.com : LUSENET : Camera Equipment : One Thread

hello i own a canon 500mm lens. if i use the 2x extender on this lens and get to 1000 mm would i have enough light to in the view finder to be able to use this combination? thank you

-- Joel Hood (jgh78@mindspring.com), June 11, 2000

Answers

That depends on the brightness of your subject, the speed of your 500mm lens, and the brightness of your focusing screen. Try it out. If you have a typical 500mm f:8 mirror lens, for instance, it should be fine outdoors in most daylight conditions or for the moon.

-- David Goldfarb (dgoldfarb@barnard.edu), June 11, 2000.

Moderation questions? read the FAQ