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Thread: IS on or off?

  1. #11
    Join Date
    Feb 2006
    Location
    Toronto, Canada
    Posts
    113
    Quote Originally Posted by cvicisso View Post
    I've heard that it can have the opposite effect if you leave it on while the camera is on a tripod. IS trys to compensate for motion that isn't there and - voila! - blurry picture.
    This is true for most cameras and lenses. However, the newer Canon lenses with 3rd gen IS or higher (if I recall correctly) such as the 400mm f/4.0 DO and the 300mm f/2.8 L are "smart" and will adjust how the IS functions when there is little movement - such as being on a tripod. It will counteract mirror slap for example.
    Canon EOS 40D | Pro1 | EOS 630 (film) | S2 IS | G1
    EF-S 10-22mm f/3.5-4.5 | EF 50mm f/1.4 | EF 70-200 f/4 L | 580EX II

  2. #12
    Join Date
    Mar 2006
    Posts
    2,162
    Mine does that if its on a tripod and its not moving it will drop down then slides left. It took me a few to figure out what it was doing.
    My camera gear Found on e-bay.

  3. #13
    Join Date
    Feb 2006
    Location
    Toronto, Canada
    Posts
    113
    Quote Originally Posted by BowerR64 View Post
    Mine does that if its on a tripod and its not moving it will drop down then slides left. It took me a few to figure out what it was doing.
    Which lens are you using?
    Last edited by Forced Perfect; 11-12-2006 at 11:58 AM. Reason: Typo correction.
    Canon EOS 40D | Pro1 | EOS 630 (film) | S2 IS | G1
    EF-S 10-22mm f/3.5-4.5 | EF 50mm f/1.4 | EF 70-200 f/4 L | 580EX II

  4. #14
    Join Date
    May 2005
    Location
    Virginia Beach, VA
    Posts
    442
    Quote Originally Posted by Forced Perfect View Post
    This is true for most cameras and lenses. However, the newer Canon lenses with 3rd gen IS or higher (if I recall correctly) such as the 400mm f/4.0 DO and the 300mm f/2.8 L are "smart" and will adjust how the IS functions when there is little movement - such as being on a tripod. It will counteract mirror slap for example.
    Wow - that's impressive. My first reaction was 'why would you need IS on a tripod?' but then you mentioned the mirror slap. Excellent idea. Of course I assumed that Photoluluguy is using a P&S and not a dslr... so this [probably] doesn't really apply to him, but great info - thanks.
    Nikon D70 | 18-70 | 50/1.8 | 70-210
    Pentax Optio W20
    Film
    Nikon F100: 5 fps, weather-sealed, full frame 'sensor' and VR & AF-S compatibility

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