Crop factor & aperture

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ikonleaveyg7
ikonleaveyg7 Junior Member • Posts: 43
Crop factor & aperture

hello, ive been thinking about this everytime im going to buy a new lens. If the focal length of mft is 2x equivalent on full frame, does it affect the aperture as well? I mean, if a 12-42mm f4-5.6 mft lens, does it mean the focal length equal 42-84mm and the aperture equal f8-11 ? I still dont fully understand how it works

I appreciate your answer and advice!

thank you

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 ikonleaveyg7's gear list:ikonleaveyg7's gear list
Olympus E-M5 II Olympus M.Zuiko Digital 45mm F1.8 Olympus M.Zuiko Digital 17mm F1.8 Olympus 14-150 F4-5.6 II
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