Re: RF 24-105L vs RF 24-240 How much better is the L?
Just a general comment or two about these types of lenses, with a note while I have used a couple of different Canon 24-105 lenses (including the one you mention), I have not used the wide-range 24-240.
First, subjective descriptions of such lenses are often a bit biased and sometime include some hyperbole. (See "solid black in the corners" above.) It is useful to hear from a wide cross-section of people who have used such lenses, but you can be mislead by relying on too few, particularly if their representation isn't balanced.
You can switch between images by moving the cursor from side to side over the image.
Don't be fooled by the different brightness of the images — the amount of vignetting is shown by the number of lines representing a half-stop drop-off as you go from center to corners. It is almost the same! So, whatever vignetting you are getting on your current lens, if this test is correct, you won't see much if any visible improvement from the RF 24-105 at that focal length and aperture.
The performance here of the 14-105 looks better at 24mm, though the sharpness difference seems less of an issue than the chromatic distortion issue... which is often a problem at shorter focal lengths on such lenses, but which can be automatically corrected in post.
You can use the comparison page to look at other focal lengths on both lenses.
Any lens with a super large focal length range such as 24-240mm includes some specific compromises that both improve and diminish the performance of the lens. Whether or not the compromises are favorable or unacceptable depends a lot on what you are looking for. If you want a single lens that covers all of your likely focal length needs, you can expect that you won't have apertures as large and that there will typically be some decrease in optical quality, especially at the extremes.
I note that you "generally like" the 24-240mm lens. Is it coming up short for you in your photography? And is that deficiency more important than, say, having the larger focal length range? Because that's the trade-off.
Good luck,
Dan
May 06, 2022 at 05:37 PM
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