The Canon 1100D comes with outer dimensions of 130mm x 100mm x 78mm (5.1" x 3.9" x 3.1") with a weight of 495 grams (1.09 lbs) while the Sony A58 has measurements of 129mm x 95mm x 78mm (5.1" x 3.7" x 3.1") and a weight of 492 grams (1.08 lbs). Check the Canon 1100D and Sony A58 in the new Camera and Lens Size Comparison Tool.
The reasons for this are explained in this video: Infrared Filter Thickness Myth . Canon Rebel T3 (1100D) DSLR Canon Rebel T1i (500D) DSLR
Canon EOS-1D X Mark III + Canon EF 600mm f/4L IS III USM USM (1/4000 sec, f/4, ISO400) (Image credit: James Artaius / Digital Camera World) Canon is fully aware that it has fallen behind in the video sphere, and now it has finally caught up. The 1D X III is capable of full-width internal 12-bit 4K RAW recording at 5,472 x 2,886 (oversampled 5
It's hard to say if you're happy with your camera. Actually, if you're happy with your camera, just keep it. It's only really helpful to upgrade if there's a reason to. Cato1040's gear list: Olympus Stylus Tough TG-850 iHS Sony a7 III Sony FE 50mm F1.8 Samyang AF 35mm F1.4 FE Tamron 28-75mm F2.8 III +7 more.
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is canon 1100d good for video