As for lenses, the EF 24-70L f4 and f2.8 are currently £889 and £1799 here in the UK, so my point stands that Canon have set this new f4 lens price firmly in f2.8 territory. If Canon continues to provide no new APS-C offering and relentlessly greedy price hikes, I will definitely consider giving up on Canon and trying something else.
Intro. Quality. Samples. Verdict. The Sigma 24-105/4.0 OS is an interesting standard zoom: with a 4.4x zoom range, a constant f4.0 aperture and optical image stabilization it is an attractive package for people looking at a go-to zoom for their full-frame body. It delivers a pretty good overall performance too, with impressively high resolution
I knew it wasn’t top-of-the-line Canon, but it worked well for me. Along came the 24~105 offering portability (only a wee bit heavier than the 28~135), good zoom range and top quality at three times the price. Quandary: is it worth sinking about USD $1250 on top of the $400 I spent last year on the 28~135? The solution: test and see.Canon EF 24-105mm ƒ/4L IS Sigma 24-105mm f/4 DG OS HSM Art User Reviews. lens against various zooms and primes at similar focal lengths at f/4, f/5.6 and f/8: Nikon 70-200 f4 at 105 mm, a
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