MichaelHodges said:When you get it back from the shop, does it ever perform better? I had a tripod head break in Dec. 2012. My 7D and 100-400mm lens dropped about 3 feet or so to sand. At first, I didn't notice anything wrong. Turned out, the lens ended up getting misaligned from that, and I had to send it in for repair. I have not sent the 7D in for repair yet...I honestly haven't really noticed any major differences before or after that incident...but maybe it actually exacerbated the whole AF jitter problem.
Anyway...would be nice to know what your experience is with sending the 7D in for repair, whether it was effective or not.
Yes, but it seems to "backslide" with use. I also use a 300 F4 L IS (bought new) that has been in five times due to AF issues (it's in with the 7D now). I actually had to order a new camera this winter while on the road (a 6D). While the focus issues occasionally popped up on the 6D with the prime, they were far worse on the 7D, even though the 7D was calibrated with the prime last year by Canon. It's pretty much a yearly thing...send in, get fixed, system backslides with use (unpredictable misfocus that can't be micro adjusted). The 7d works really well with anything under 200, but when it "slips" any telephoto is completely inconsistent (300 prime, 100-400, 200-400, etc).
Do you use CPS, or do you pay for repairs each time you send it in? When I sent my 100-400 in, it cost me about $420 for all the work they did (apparently, they had to disassemble the lens, realign the elements, fix some issue with the AF drive (they discovered that once it arrived), clean, reassemble, and finally test the alignment and AF repairs.) I had expected it to cost about $200 based on their original estimate, and I was a little surprised by the final bill (and I had shipping on top of that.) I don't qualify for CPS myself (sucks, in the US, you have to be a full time professional...something like two thirds of your income must come from your photography, and at the moment I'd say about 1/10th of my income comes from photography), but I would really love to have it...would save me a ton of money on repairs and yearly cleanings and the like.
MichaelHodges said:Irritating when other images in the burst, are tack sharp! I mean, if I can't hold the AF point on target, well I won't blame the camera, but it's aggravating when one tracks the target and STILL has an OOF shot! Grrr.
I agree. It's not a good feeling. I basically switched out the 7D this trip with the new 6D, and it smoked the 7D in every way in the field *except* for suddenly having to lock onto birds in AI Servo. If you knew the bird was coming, no problem. If it surprised you and took off at a strong angle, focus acquisition is longer than 7D.
It is the one thing about the 7D I think is bad. Everything else about the camera is phenomenal, especially the ergonomics (I absolutely LOVE the button layout.) I am hoping that once I get a 5D III, I'll have a lot better consistency. I don't think the loss of frame rate will matter all that much given how inconsistent the 7D is...I only get 4-6 keepers per second as it is anyway, so if I can consistently get 5-6 keepers per second with a 5D III, that's actually an improvement.
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