Author Topic: How to mount a DE OUDE DELFT RAYXAR E65/0.75 Revisited  (Read 30643 times)

Erik Lund

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Re: How to mount a DE OUDE DELFT RAYXAR E65/0.75 Revisited
« Reply #60 on: September 20, 2016, 21:49:51 »
At far distance, focal length has a huge impact on depth of focus / depth of field so for instance a 400mm f/2.8 has very little dof if you focus on the night skies,,, even at f/2.8
Erik Lund