I 4) Schematic optical diagram of the primary focus method with an astronomy telescope. (Fig. ... It should also be multiplied by the cameraa#39;s crop factor (e.g. 1.6 if the camera is a Canon 40D). ... Digital photography through binoculars Observation binoculars, like telescopes, can be connected afocally to a digital camera.
|Title||:||A Close Up Look|