50mm 1.4 ZA vs Zeiss 55mm 1.8. Same light transmission ?

Started Jan 6, 2019 | Discussions thread
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gwexou Contributing Member • Posts: 867
50mm 1.4 ZA vs Zeiss 55mm 1.8. Same light transmission ?

Dear all,

I have the Zeiss 55mm f1.8 but i'm looking for something brighter at night. I was looking at the 50mm f1.4 as an option, until I read a review saying that the light transmission is actually exactly the same, despite the 1.4 being much heavier and bigger.

Can anyone concur or deny ?

Thanks !

 gwexou's gear list:gwexou's gear list
Sony RX100 VI Sony a7R III Sigma 8mm F3.5 EX DG Circular Fisheye Voigtlander 15mm F4.5 Super Wide Heliar Sony FE 55mm F1.8 +5 more
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