RF24-105/4 performance

Started 4 months ago | Discussions thread
Thomas A Anderson Senior Member • Posts: 1,021
I think it's time to go take pictures.

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?

Looks like your lens is fine.  As your focal length changes your aperture sweet spot will change as well, but I don't see any problems here.  What's the issue?

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