How does using a teleconverter affect the aperture of a lens?

Asked Feb 28 '15 at 17:57

Active Feb 28 '15 at 19:18

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I have hear that a teleconverter affects the apperture of a lens. But I don´t know how to calculate it. Is there a formula to calculate how much will a 1.5X or 2X teleconverter affect apperture?

edited Feb 28 '15 at 19:18

mattdm

143,140
52
417
741

asked Feb 28 '15 at 17:57

Carlos Velasquez

How does using a teleconverter affect the aperture of a lens?

0 Answers0