Background Blur with Tele Lenses
Recently found this nice webpage where You can calculate the background blur of your Telelens-Camerasensor combination: http://howmuchblur.com Very handy to get some ideas on how the isolation power of the various lenses behave in comparison. If You look carefully the 400mm f2.8 and the 600mm f4 seem to create the most blur but its distance and background-distance depended. It also...