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| p.1 #15 · 24-70mm 2.8L II or 24mm 2.8 IS + 28mm 2.8 IS + 40mm 2.8? |
Don't know if this matters to you, but compare the distortions. You will get less with the primes.
And the 24 IS will be usable in notably darker venues than the zoom. Especially if you are doing subject matter that doesn't have moving people close to the camera.
Another lens you might want to consider adding to your lineup, since you seem to want zoom-like choice of focal lengths in a prime collection, is the 70mm macro from Sigma. That would bridge a fairly large gap between your 50mm, and your 85mm, and add a macro. I just bought the Sigma, and...Show more →
The Sigma 70mm macro MTF looks very good, but my 70-300L is more than good enough for me at 70mm, so I've only been looking wider than 50mm to fill some gaps.
The 35L also looks amazing, but in that focal length, I'm mainly looking at landscapes, and don't need the wider apertures for low light, so the 40/2.8 should fill my needs at a fraction of the cost, is my current thinking.
I never considered distortion before. I took a look at photozone again. The 28mm 2.8 IS barrel distortion is 2.4% or 1% visually, and the zoom at 24mm is 2.8%. Visually I can see the difference, but then again we're comparing 28mm versus 24mm, so that would be expected. Is there a better way I should look at this?