RF24-105/4 performance

Started 3 months ago | Discussions thread
OP Peak freak Contributing Member • Posts: 931
Re: RF24-105/4 performance

Peak freak wrote:

I have had considerable experience with Canon L lenses, I have read Rogers articles and so-on, but In think I am a difficult customer when it comes to lenses because they always (well, often) seem to have performance that doesn't meet my expectations.

So, for various reasons I am onto my third copy of the RF 24-105/4, but the first that has had 'real world' use. After cataloguing my first batch of maybe a 1000 images It meets my expectations and performs well - except at about 35mm.

In short, there is always some kind of performance drop off at 30- 40mm, mostly on the left (although centering generally seems good).

This example (IMO) is pretty bad, but the sort of thing that I see happening. Check out the left hand tree trunk.

Adobe defaults, sharpening 25. What do you guys think?

Here is another example:

100% crop. Same shooting location. 37mm F/L on the left, 39mm on the right - where things start to improve.

Handheld, IS on, focus infinity, typical of what I am seeing.

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