When some faster than 2.8 lenses on a nex 5 the light did not appear to double for a full f stop. People were discussing the following articles and others over the last year which suggested that faster lenses do not always give the expected results. So I do wonder weigh the value of fast lenses. Maybe I am not reading this material correctly but it would be nice to know what you are able to achieve light wise with fast lenses. I only have one. But the micolenses on the 5n might be a game changer, if this is in fact an issue. http://www.luminous-landscape.com/essays/an_open_letter_to_the_major_camera_manufacturers.shtml http://www.dxomark.com/index.php/Publications/DxOMark-Insights/F-stop-blues
Nov 27, 2011 at 09:46 PM
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