What does focal length mean when same lense different FOV: Beginners Questions Forum: Digital Photography Review

What does focal length mean when same lense different FOV

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Subject	What does focal length mean when same lense different FOV [SIMILAR]
Posted by	spikedog123 [PROFILE] [GALLERY]
Date/Time	17:43:45, 20 November 2009 (GMT)


Sorry about the previous post I am wondering what Focal length means when the same lens means a different Field of View (FOV) depending on the camera format used. For example a 50mm "standard lense" may mean 75 mm (35 mm equivalent) on some formats while it equals 50mm on other formats. When photographs submit camera data, do they submit the actual lense used or the FOV equivalent in 35mm? I assume it is the actual lense used. If so, isn't the lens length irrevelant info unless you know what the 35mm equivalent is? Thank you. -- It's all about light.

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