I was looking for a pro series Canon body and saw a very well priced one at Adorama. The condition was rated as an E-, but I would have rated as E++. It's imacculate and in better condition than my Canon 5d3. Highly satisfied with my purchase and great customer service helped me acquire this dream camera of mine!
I am a professional photographer and I shoot a lot of sports in low light situations and this camera is easily the second best camera Canon has made for this type of siutation. The files are very clean up to iso 3200. Iso 4000 to 6400 is very usable. Autofocus is fairly accurate but it does take some work to figure out how best to set it for certian situations. It does struggle quite a bit with low light and subjects wearing darker clothes but I guess that is to be expected. I own two of these cameras and in my opinion they are the best sports option with the exception of the 1DX.
After the first shot I was amazed at the quality of photo as well as the quality of the camera. Although it seems a bit heavy to carry, I never regret taking it along. I use 3 lens - 28 - 105mm, 70 - 200mm, and the 300 prime - all perform exceptionally with the Mark IV.
This camera has a fast buffer so I am not missing important shots waiting for the camera to transfer the images to the memory card.
Excellent all-around camera. Great for fast action or low light. This camera can do it all.
This won't be the typical review of this fine camera for I haven't had a chance to really put it through its paces yet in AI Servo/Continuous Shooting drive mode. However I can say the Single Shot/One Shot focus mode images from this are razor sharp. And the weather sealing was recently a godsend for just last week while I was attempting to cross a mountain stream while carrying my 5D Mark II and the 1D Mark IV the current swept my feet out from under me and down I went, submerging both cameras in the water. The 5D2 was destroyed and I'm waiting for a settlement from my insurance company. However the 1D4 wasn't fazed by the water at all, everything works just the way it should. Next weekend I'll be shooting an event which will give me a test of the 1D4s continuous shooting mode and I'm expecting excellent results from it.
This is one camera that sets the pros from the ameratures. Super fast and great video well beyond 7d's capability in low light. The only thing ive noticed is the battery life is a bit short, but not really a big deal. Solid built and heavy, but thats what you pay for.
This camera is a beast. 10fps will rock your world. I shoot a lot while on the move - in, on and hanging off all manner of transportation in developing countries. Not missing 'the shot' makes this investment very much worthwhile. The low light capability is incredible for both stills and video (which when shot with a 24-70 2.8 blew my mind in regards to quality). She's not cheap, but if you're in the market for pro level quality and pro level options, you won't be disappointed.
I've had my Mk IV less than a month and the results of indoor high school sports have been wonderful. My only concern (so far) is the AF Microadjustment required by my lenses. On page 221 of the manual it says, "Normally,this adjustment is not required." It has been very much required on my camera. 50mm f1.4 +12 85mm f1.2 -3 135mm f2 +14 70-200mm f2.8 -8 Only the 24mm f2.8 has not required an adjustment. Once the AF is adjusted, focus is great.
For outdoors and good indoor lighting: 1- excellent fast accurate focusing. 2- picture quality is great. 3- excellent for sporting events, concerts, weddings. In poor / low lighting, the focusing is slow and inaccurate, especially with lens that is slower than F2.8