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

Started Jan 6, 2019 | Discussions thread
HFLM Senior Member • Posts: 1,976
Re: 50mm 1.4 ZA vs Zeiss 55mm 1.8. Same light transmission ?

gwenhael appere wrote:

Thanks, that's exactly what i'm thinking. Other aspects become deciding factors if the light transmission is more or less the same....

jonpais wrote:

Yeah, so perhaps a one-third stop advantage - meaning that things like bokeh, fringing and coma, as well as size and price are more significant. Here’s DPR’s assessment:

https://m.dpreview.com/reviews/comparative-review-sony-fe-50mm-f1-4-za-vs-55mm-f1-8-za/2

I found the 50/1.4 to be clearly superior, we have two of them for weddings.

Compared to our copy of the 55/1.8, when we still had it, our 50s were sharper. But more importantly, the FE50 shows almost no CAs, the 55 is very prone to CAs, however. AF is quite good for an f1.4 lens, I was never let down by it even in dim light.

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