The Canon TS-E 45mm f/2.8 Tilt-Shift Lens has minor light fall-off wide open (f/2.8) and minor CA (Chromatic Aberration). Flare-resistance is moderate - the Canon EF 50mm f/1.4 USM Lens proved better for flare resistance. Full shift decreases sharpness, increases CA and introduces vignetting (on a full frame body).
The Canon EF 28mm f/2.8 IS USM Lens has a clean, smooth, fixed-size design that is comfortable to carry and use. While light and small, the 28 IS feels solidly built. The barrel is made of an engineering plastic that has a nice quality feel to it. Plastic is light - light is an often-desired lens characteristic.
Canon EF 70-200mm f/2.8L II IS USM (B & H $1,999.00) Canon EF 180mm f/3.5L Macro USM Lens. Canon EF 50mm f/1.2L USM (B & H $1,349.00) That is a combo most people just dream about. It don't get any better than that. The lack of IS on the Canon EF 24-70mm f/2.8L II USM (B & H $1,799.00) should not be a concern.
APS-C format sensor cameras will see about 1.5 stops of shading in f/2.8 corners. With shading falling under 1 stop at f/4, stopped-down images captured with these cameras will have no noticeable shading issues in most scenarios. The Samyang 14mm f/2.8 Lens takes control of CA (Chromatic Aberration).
Hands-on with the Canon RF 14-35mm F4 L IS USM. Canon's RF 14-35mm F4 L IS USM is billed as a more affordable, lightweight alternative to the flagship wide-angle zoom for RF mount, the RF 15-35mm F2.8. We've been shooting with it for a few days (watch this space for a full gallery of samples soon) and so far, our impressions of this compact
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canon ef 16 35mm f 2.8 l ii usm lens review