Comments on: Focal Length Reciprocal Rule http://www.singleservingphoto.com/2007/05/22/focal-length-reciprocal-rule/ Photography in Small Doses Sat, 05 Jul 2008 16:30:28 +0000 http://wordpress.org/?v=2.5 By: deuts http://www.singleservingphoto.com/2007/05/22/focal-length-reciprocal-rule/#comment-777 deuts Wed, 23 May 2007 14:14:42 +0000 http://www.singleservingphoto.com/2007/05/22/focal-length-reciprocal-rule/#comment-777 Well, actually I've read about this rule/guideline before, but I learned something new. That in my 30D I need to multiply the focal length of my lens (say, 85mm) first by 1.6 and that's the minimum shutter speed at which I can safely handhold my camera to prevent blurring. Thanks! Well, actually I’ve read about this rule/guideline before, but I learned something new. That in my 30D I need to multiply the focal length of my lens (say, 85mm) first by 1.6 and that’s the minimum shutter speed at which I can safely handhold my camera to prevent blurring. Thanks!

]]> By: Aaron http://www.singleservingphoto.com/2007/05/22/focal-length-reciprocal-rule/#comment-778 Aaron Wed, 23 May 2007 14:28:58 +0000 http://www.singleservingphoto.com/2007/05/22/focal-length-reciprocal-rule/#comment-778 @deuts, I'm glad that this was helpful for you! Just to clarify for the benefit of other readers, to find out what the multiplier is for your specific camera model, I find Digital Photography Review to be a great resource. Information about the 30D specifically was found on http://www.dpreview.com/reviews/canoneos30d/page2.asp under "Lenses." It's important to keep the multiplier in mind because cameras with cropped sensors such as deuts's 30D require a faster shutter speed to counteract hand shake than full-frame cameras. Happy shooting! @deuts,

I’m glad that this was helpful for you! Just to clarify for the benefit of other readers, to find out what the multiplier is for your specific camera model, I find Digital Photography Review to be a great resource. Information about the 30D specifically was found on http://www.dpreview.com/reviews/canoneos30d/page2.asp under “Lenses.”

It’s important to keep the multiplier in mind because cameras with cropped sensors such as deuts’s 30D require a faster shutter speed to counteract hand shake than full-frame cameras. Happy shooting!

]]> By: tukangmoto http://www.singleservingphoto.com/2007/05/22/focal-length-reciprocal-rule/#comment-779 tukangmoto Fri, 25 May 2007 06:51:21 +0000 http://www.singleservingphoto.com/2007/05/22/focal-length-reciprocal-rule/#comment-779 what about VR or IS technology ? i think they are broken the rules somehow :) what about VR or IS technology ? i think they are broken the rules somehow :)

]]> By: Aaron http://www.singleservingphoto.com/2007/05/22/focal-length-reciprocal-rule/#comment-780 Aaron Fri, 25 May 2007 10:08:06 +0000 http://www.singleservingphoto.com/2007/05/22/focal-length-reciprocal-rule/#comment-780 @tukangmoto, You're absolutely right, I completely forgot to mention that! I am going to amend the article to discuss Image Stabilization and Vibration Reduction. Thanks :) @tukangmoto,

You’re absolutely right, I completely forgot to mention that! I am going to amend the article to discuss Image Stabilization and Vibration Reduction. Thanks :)

]]> By: john hagar http://www.singleservingphoto.com/2007/05/22/focal-length-reciprocal-rule/#comment-805 john hagar Thu, 07 Jun 2007 18:45:40 +0000 http://www.singleservingphoto.com/2007/05/22/focal-length-reciprocal-rule/#comment-805 I have used the reciprocal rule for years. It works very well. Also keep in mind that mirror and shutter vibration will usually make a 28mm shot at 1/30 somewhat shaky in the detail. I usually add 1 stop to the reciprocal formula. (e.g., shoot at a 1/60 for 28-50mm lenses). I have used the reciprocal rule for years. It works very well. Also keep in mind that mirror and shutter vibration will usually make a 28mm shot at 1/30 somewhat shaky in the detail. I usually add 1 stop to the reciprocal formula. (e.g., shoot at a 1/60 for 28-50mm lenses).

]]> By: Aaron http://www.singleservingphoto.com/2007/05/22/focal-length-reciprocal-rule/#comment-806 Aaron Thu, 07 Jun 2007 18:54:05 +0000 http://www.singleservingphoto.com/2007/05/22/focal-length-reciprocal-rule/#comment-806 Thanks for your comment and advice, John. Remember also that if your 28-50mm lens is zoomed to 50mm, the reciprocal rule would suggest 1/60, so adding a stop would bring you to 1/125. Thanks for your comment and advice, John. Remember also that if your 28-50mm lens is zoomed to 50mm, the reciprocal rule would suggest 1/60, so adding a stop would bring you to 1/125.

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