/** */ | infocus @ stillworx.com - a malaysian photography blog

Daily Archive: April 13, 2011

Apr 13

Calculating lens focal length

So I was comparing my 17-50mm Tamron with the Nikon 50mm F/1.8 to see the differences in bokeh and colour rendition with my not-so-proper test scene below and I stumbled onto the fact that at 50mm, the Tamron produces an image that is shorter than the 50mm Nikon. I got similar results with the 18-70mm …

Continue reading »

Permanent link to this article: http://blog.stillworx.com/2011/04/13/calculating-lens-focal-length/