
SIGMA proudly introduces the 18-35mm F1.8 DC HSM next-generation. In this review of the revolutionary Sigma 18-35mm f/1.8 crop sensor lens, well cover its real world performance, along with a number of sample photos. : New firmware version 1.0.5. Image quality until now found only in a fixed focal length lens. : Help ensure your autofocus is properly aligned with a Canon Precision Alignment Dimensions (Diameter x Length) 78mm x 121.0mm x 3.1in x 4.8 in Maximum Apeture- F1. : New firmware version 1.4.1 is available for EOS R3 But then your 17-55 would also be useless on ff, so are you really hurting anything by switching? Hmmmm. Sigma 18-35mm f/1.8 DC HSM Art Lens Buy My Recommended Sigma 18-35mm f/1.8 DC HSM Art Lens Retailers B&H Photo Adorama Wex Photographic Check the used inventory at B&H KEH MPB Buy Now - 120.
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You'd get ugly big noses and foreheads shooting that close with a 35mm lens.īut of course that 18-35 is wasted glass if you do go full frame. I do think you'd need to pick up a 50mm or 60mm for the tighter head-and-shoulders shots if you dump the 17-55. I have never shot boudoir, but I believe you need to get full head-to-toe framing in some of the shots? Maybe 35mm is good for that then, as compared to a longer "portrait" length, like 50mm (80mm equivalent on your crop).

Is that enough for what you do? If you shoot the same shot at f/2.8 with your 17-55 you get a depth of 2.81 feet that is in focus. Image Stabilization, None Filter Size, 72 mm (Front) Dimensions ( x L), 3.07 x 4.76 / 78 x 121 mm Weight, 1.78 lb / 810 g Package Weight, 2.46 lb / 1.12.

At 35mm you get a much deeper DOF than with a more telephoto lens.Īt a distance of 10 feet at 35mm, using f/1.8 aperture, your depth of field in focus would be 1.78 feet.
