D7100 and Lens Aperture

Started Feb 6, 2014 | Questions thread
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D7100 and Lens Aperture
Feb 6, 2014

I presently shoot with a D7100.

I understand the fact that a camera with a crop sensor (1.5x) has an affect upon the equivalent focal length of the lens compared to that of a full frame camera.  (ex: 50mm = 75mm)

My question, if the crop sensor affects the length of the lens, does the crop sensor also affect the true aperture?  (ex: f/1.8 = f/2.7)

Thank You,

 GHCowan's gear list:GHCowan's gear list
Nikon D7100 Tamron AF 18-270mm F/3.5-6.3 Di II VC LD Aspherical (IF) MACRO Nikon AF-S Nikkor 70-300mm f/4.5-5.6G VR Nikon AF-S Nikkor 50mm f/1.8G
Nikon D7100
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