Zoom is often used and yet so mocked. Film beginners in particular like to zoom – mostly with bad consequences for film and filmmakers. This is often due to a lack of knowledge about the function of the zoom and/or poor implementation. That’s why I’m going to take a closer look at the topic of …
Fine surface check of products that takes time even in the inspection process. By introducing optical inspection equipment, it is possible to work accurately and at high speed, and productivity improvement can be expected. On the other hand, many people may be wondering, “Can optical inspection equipment perform accurate inspections?” And “How to choose optical inspection equipment?” In …
In 2014 Samyang began producing lenses for use in the video field. Still on the market, these lenses are distinguished from purely photographic optics by the presence of a toothing for the follow focus both on the focus ring and on that of the diaphragms and for a ring of diaphragms that flows smoothly. The Korean company initially identified …
Optical performance is based on acceptable image blur. Blurring occurs due to the movement of the camera relative to the plane of the object. Depth of field determines the maximum allowable detector offset and depends on the F-number (f-number, F / #) value, which determines the amount of light that hits the sensor. The F-number increases as the …
