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

Started Jan 6, 2019 | Discussions thread
RE Alpha
RE Alpha Contributing Member • Posts: 785
Re: 50mm 1.4 ZA vs Zeiss 55mm 1.8. Same light transmission ?

gwenhael appere wrote:

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 !

There has been a thread about these two lenses:

https://www.dpreview.com/forums/thread/4351755

Not exactly the same question, but might be useful to read as well.

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