The measurement of the acceptance angle of an optical fiber, which is the maximum angle at which the core of the fiber will take in light that will be contained within the core. Taken from the fiber ...

Aperture is perhaps the most important — and also the most confusing — photographic concept to grasp. Mastering the use of aperture opens up a range of artistic possibilities and brings your ...

Ever see a photograph with a dreamy, out-of-focus background? Or perhaps a landscape with pin-sharp details from the closest foreground elements all the way to distant clouds? Aperture is what allows ...

DSLRs and other advanced cameras have a ton of letters, symbols, and weird buttons on them. Every photographer must go through the quest of learning what each setting does, and today we are talking ...

Designed with new manufacturing technology that creates lenses with shapes that are difficult to fabricate using other methods, Olympus’ new X Line™ series objectives and the UPLAPO-HR objectives for ...