bob_doroh Posted October 24, 2003 Share Posted October 24, 2003 the lens I have is 50 mm, if I put a 135 mm telephoto lens on it how much zoom would that give me approx 2.5? im not clear on this. Link to comment Share on other sites More sharing options...
stephen hazelton Posted October 24, 2003 Share Posted October 24, 2003 If you put a 135mm lens on it, it will enlarge things 2.7 times compared to a 50mm. 135/50 = 2.7. This assumes normal subjects (not extreme close-ups). And the focal lengths may be rounded off slightly. Link to comment Share on other sites More sharing options...
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