Is the Panasonic 25mm a real f/1.4 lens?

Started 7 months ago | Discussions thread
Dheorl
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Re: Is the Panasonic 25mm a real f/1.4 lens?
In reply to Pixnat2, 7 months ago

Pixnat2 wrote:

I'm interested on a 25mm for my E-M1. We have two native 25mm now : a f/1.4 and a f/1.8 lens.

But there's some questions about the fact the Panasonic 25mm is a real f/1.4 lens :

That was in a very uncontrolled environment making it hard to tell how much was down to the camera making correction or just metering slightly differently. For example is the olympus does stronger vignetting correction on it's own lenses than the panny the metering in total will measure the scene differently.

I'm very doubtful of that test. For instance different looking bokeh can cause the DoF to look different. If someone took a photo of a target with a front/back ruler like lenstip (and probably other review sites use) then we might actually be able to compare them accurately.

Lenses t-stop should never match their f-stop.

What do you think? Is it possible that the Panaleica is more a f/1.7 rather than a f/1.4 lens?

No.

What are your thoughts about it?

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