Digital Camera World on MSN

Viltrox teases new conversion lenses for Fujifilm X100 cameras

Viltrox looks set to launch two new conversion lenses for Fujifilm X100-series cameras. Currently little is known about them, ...
Astronomy

How to choose the right focal length for your astrophotos

Telescope focal length determines image magnification. Field of view (FOV) shows how much sky your telescope displays. FOV is calculated using telescope and camera/eyepiece specs. Match telescope FOV ...
Astronomy

How does one determine magnification? I have an Edmund Scientific Astroscan, 4-1/8-inch aperture, F/4.2 reflecting telescope, used with a 2.5x Barlow lens and a 28mm Plossl ...

The magnification (or power) you will see through a given optical system depends on the telescope and the eyepiece. The simple formula is: Magnification = Focal length of telescope ÷ focal length of ...
SlashGear

Fujifilm TCL-X100 Tele-Conversion Lens Adds 33mm Fixed Focal Length To X100/X100S Cameras

Fujifilm has announced a new tele-conversion lens for its X100 and X100S digital cameras. We spent some hands-on time with the X100S digital camera at CES 2013 and it looked to be a high quality ...