Afocal photography. You can use this method if you can't remove the lens in your camera, as in the case of pocketsize "point-and-shoot" cameras and smartphone cameras. First, ...

This technique is also called afocal photography. It’s really simple and, when practiced with care, can produce great results ...

This technique is also called afocal photography. It’s really simple and, when practiced with care, can produce great results without the need for expensive cameras or telephoto lenses.

This review, “Canon 10D digital camera,” appeared in the September 2004 issue of Astronomy magazine.. Until recently, the highest quality astroimaging by amateurs was done universally with ...

US patent 7,054,067 (JP2005-10755A) This invention relates to a three-dimensional image optical system that generates (presents) a three-dimensional optical image, specifically to an afocal three ...