Rated 
Wow. That's the first thing I can really say abou ...
Superfast (5fps) Shooting speed, 8.2 megapixel CMOS sensor (for large prints), instant on (200ms from on to shutter response), works with all Canon EF-mount lenses. A great professional camera!
Very few, other than it's a bit pricey. The camera also has a 1.6x focal length multiplier, but this is typical for dSLR cameras.
Posted Sep 20, 2004 - Wow. That's the first thing I can really say about the EOS-20d. I've owned a EOS-D60, a EOS-10D, and for $1500, this camera blows everything else away. I don't plan to touch my other cameras after having played with the 20d for a week. The photos are amazing, the camera body is solid, and Canon solved nearly all of the complaints that I and other customers had about their previous digital SLRs. The great features: First it's got a FAST 8.2 megapixel CMOS sensor. The EOS-20d uses Canon's DIGIC II image processor which creates great color photos and can dump the photo onto your CF memory card really quickly. Next the EOS-20d has an amazing 5 frames per second shooting mode, and a huge buffer to hold all the shots (in fact, with a one of my Lexar Pro 1GB 40x cards, I was able to capture 50 frames before the continious mode slowed down!). This is great for capturing fast moving objects: cars, your kid swinging a bat at a baseball game, or a jaguar running across a field. Keep in mind that the only other dSLR camera that is close to this is the EOS-1D Mark II (8.3 fps), and that camera costs over $4K! Third, the EOS-20D turns on instantly. The EOS-10D took 3 seconds from on switch to when the shutter worked; this camera works in under 200ms, so short that I can't even tell. This is huge; there isn't anything more annoying than quickly pulling your camera out of your bag and missing your kid's first steps because the camera took 3 seconds to boot up! Fourth, the EOS-20D works with nearly all of Canon's EF-mount lenses, so if you have a bunch of these lenses around, then you don't have to invest in a new collection of lenses. The 20d also supports Canon's new EF-S lenses (introduced with the digial Rebel), and Canon introduced a EF-S 10-22mm wide angle lens ($799 extra) to work with the 20D. This is the widest angle lens you an buy, but note that this lens won't work with any other camera (including your film canon SLRs or the 10D) except for the digital rebel. Fifth, Canon introudced a new battery (BP-511A) which has just under 30% more power than the previous line of lithium batteries that came with the EOS-10D. This translates into over 700-900 shots (w/out flash or digital display review) per battery charge. I actually tested it out with my old EOS-10D battery (BP-511) and with the new EOS-20D battery (BP-511A) and the difference is noticable! And last but not least, Canon has a new auto-focusing system (9 pt AIAF) that is super fast--much faster than what was in the EOS-10D. This is probably my most favorite feature aside from the 5fps continious shooting mode, as I'm able to compose shots quicker and get a focus lock with much less waiting. Great for candid and sports shots, which I do a lot of. Bottom line: The EOS-20D fixes all the major issues that bugged tons of photographers in Canon's previous line of digital SRL cameras. The 8.2 megapixel CMOS sensor is top notch and the photo quality is amazing. I ran out and bought the camera the first day it hit the market, with the expectation that all of the claims and features were too good to be true. I was wrong; this camera seriously rocks!
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