 Douglas Robertson |
Exhausing Batteries Quickly! My Canon Eos 300 is eating up batteries. It goes from full power to empty in a couple of days. Also, the shutter does not open when the lens is set to less than 100mm but it does release when it is 100mm - 200mm. Normally I would return it to the shop but it is out of warranty and I am overseas travelling. Has anyone had either of these problems?
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Jon Close |
What lens are you using? How long have you had it and when did the battery problem begin? Your symptoms are very close to those that occur with some Sigma and other manufacturer's lenses used with later generation EOS models. Sigma and some other third party lens makers backward engineer Canon's EF electronic interface and didn't get it quite right on some of their older designs. Sigma will replace the integrated circuit in these lenses. see
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Douglas Robertson |
You are spot on. I wrongly assumed it was the camera but I have had the lens tested on another camera and it does the same thing. It is a Tamron 28-200mm xr and it is just out of warranty (damn!) but I am hoping they might fix it for free if I ask them nicely - to anyone else considering buying this lens I would suggest you consider other similar Tamron models that come with a 6 year warranty as opposed to the 1 year I got with mine. They are not much more expensive.
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photosbysharon.com - Sharon E. Lowe Contact Sharon E. Lowe Sharon E. Lowe's Gallery |
Just so you know, it isn't just 3rd party lenses that can cause this problem. My Canon 75-300mm IS lens is back at Canon for the 2nd time (first under warranty; this time presumably covered by the repair warranty) due to the same problem. I have 2 Sigma lenses, 1 Tamron lens, and 1 other Canon lens and none of those have caused a problem. I too thought it was the camera and the fact that I had been doing long exposures in cold weather, but learned it was my lens. Good luck on getting yours fixed free! They should since they more than likley know it is a problem!!
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John P. Sandstedt |
I think you need to look further into this situation. I've used both Canon lenses [35-105 and 70-210] since I bought my EOS 620 in 1989 and those lenses, together with Tamron lenses [28-200 and 200-400], with my EOS 3 that I bought two years ago. Have never had a problem. Check you contacts and the bayonet as well as the possiblity of a lens motor problem.
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photosbysharon.com - Sharon E. Lowe Contact Sharon E. Lowe Sharon E. Lowe's Gallery |
John- my lens is the Canon 75-300mm IS which is a bit different from your lenses. As I said too, I've never had a problem with any of my other lenses, just that one. I've cleaned contacts and done everything else Canon recommended before they told me to send it in. The first time, they said they replaced the diaphragm. Within a month and one of very little use of that lens because I was mostly doing wide angle photography, it started doing the same thing again. I think it has something to do with the IS feature (although the problem occurs whether I have the IS turned on or off) but I can't be sure. (It's my only IS lens) I ran a set of tests with my camera and all my lenses to be able to prove to Canon (and myslef) that it was that particular lens and not my camera(s). BTW, I got a Canon EOS D60 for Christmas, after I had the lens repaired, and the problem occurred with that body as well.
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John P. Sandstedt |
Then, I'd suggest going to a photo shop where you can rent lenses and check out whether the problem is specific to your lens. After all, there's a "lemon law" for cars. Why couldn't a lens be a "lemon?"
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photosbysharon.com - Sharon E. Lowe Contact Sharon E. Lowe Sharon E. Lowe's Gallery |
John- totally agree with you on lemons. Hoping this time they replace it but I doubt it! It did work fine for almost a year and I used it a lot during that year! I borrow a friend's 75-300 when mine is in the shop - his isn't the IS model though.
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