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Re: Lens
[Re: Jim Garvie]
#23297
06/08/09 03:20 PM
06/08/09 03:20 PM
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Joined: Jan 2006
Alaska
DavidRamey
Veteran
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Veteran
Joined: Jan 2006
Alaska
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I use a 16-85mm lens for studio, group, & title shots. For outdoor, I use 80-200mmf/2.8 for almost all of my agility work and the 300mmf/4 is my Bird in Flight lens, large mammal lens, etc. For numbers of photos, the 80-200mm is my most used lens, followed by my 300mmf/4, followed by my 16-85mm, followed by my manual focus 28mm/2, followed by my manual focus 55mmf/2.8 macro lens.
David Ramey Photography
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Re: Lens
[Re: lucy]
#23302
06/09/09 09:44 AM
06/09/09 09:44 AM
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Joined: Nov 2008
Kansas
psmith
Pooh-Bah
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Pooh-Bah
Joined: Nov 2008
Kansas
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It has to do with the size of the sensor. Full frame dSLRs have a sensor the size of 35mm film. We refer to a smaller sensor (like the common APS-C sized ones) as a cropped sensor or cropped body. It is important to note when talking about lenses because the cropped bodies have the effect of increasing the focal length of the lens. On a Canon 40D (which has a 1.6x crop factor) the effect is to give a 50mm lens a cropped view that is similar to a focal length of (50mm x 1.6) 80mm on a full frame camera. It is better explained here: http://www.millhouse.nl/digitalcropfactorframe.html
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