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Old Feb 20, 2011, 9:10 PM   #1
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Default Another SLT Overheating Problem

A user from Buenos Aires, on another forum I participate in, reports that his A33 overheats faster when his Sony 75-300 is at 300mm than when it's at 75mm.

Can anybody else confirm or refute that?

If this is true, the SLTs might not work so well with long lenses like the 70-400 'G' or the new 500mm f/4 'G'.

This could be bad for sports/action/wildlife shooting.
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Old Feb 21, 2011, 7:26 AM   #2
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He's outdoors, in sunlight, in 32-35°C temperature.
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Old Feb 22, 2011, 4:31 PM   #3
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I use the A33 with the Sigma 150 - 500mm without issue .... mind you, it's not so warm here
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Old Feb 23, 2011, 3:26 PM   #4
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I use my A55 Wth 17-70 sigma and 70-300 sigma never had any issues with overheating
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Old Feb 23, 2011, 5:19 PM   #5
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Neither have I.
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Old Feb 23, 2011, 8:49 PM   #6
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I use the a55 with an AF 500mm mirror and a Tokina 80-400, but I haven't pushed it really hard, and it hasn't been really warm yet in Southern California, either. Remember it is midsummer in Argentina right now. Zooming repeatedly out to 300 from shorter FLs could work the mechanism hard enough to generate more heat and also in hot weather draw hot air inside, but offhand I can't see how just holding it at 300 would cause overheating.
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Old Feb 23, 2011, 9:34 PM   #7
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well that is quite warm at 90-95 degree F. So that is right around the warm that was issue originally when the first over heating problem was reported.
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Old Feb 25, 2011, 10:17 PM   #8
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Hi to all Im the user from Buenos Aires, please read this form the dpreview forum

http://forums.dpreview.com/forums/re...ssage=37749572
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Old Mar 20, 2011, 11:24 AM   #9
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hello friend..just curious ..does this mean that a33 of a55 is not useful in indian condition..where in summer temp.goes around 45 C..?
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Old Mar 20, 2011, 12:45 PM   #10
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thatīs correct, you will have problems, forget video and stills, you will have warnig icon after 30 minutes or about, I reaaly like the camera but is not for heavy work, I sold mune and I did buy a Canon 60d, thats a very difrfrence thing !
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