AF 50MM f1.8D VS AF-S 50mm f1.8G
-This AF 50mm f/1.8 D was introduced in 2002
-This AF 50mm f/1.8 G was introduced in 2011
-Nikon lens names have D and G at the end . Whay Does D and G denote.
-"D" Lenses are an older lens design and they transmit distance information to the camera's metering system.
-"G" Lenses are gelded, which means that they do not have an aperture ring and the aperture must be controlled by the camera.
-Those two lenses are concerned as -D- wON'T FOCUS ON D40/40X/60/3000/3100/5000/5100...
-The -G- lens has a totally new optical formula for nikon better bokeh and better CA control perhaps,Normally NEW formulations of lenses these days are better than those they replace
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