CONSTITUTION:A short and a long focal length state are shown in the figure. When the short focal length state is switched to the long focal length state, the sub lens 15 of an extender 14 moves off an optical path of photography to leave only a main lens 12 on the optical path of ...
Free Zoom Applications|Nikon Telephoto Zoom Lens|HD Long Focal Length:Capture distant subjects with clarity using the 5-100mm HD Long Focal Length lens, ideal for surveillance and wildlife photography. 1/3" CS Mount:Compatible with a wide range of cameras, the 1/3" CS Mount design makes thi...
f/10 (refractor) and f/9 (refractor). But, I do know why I bought those scopes instead of shorter focal length ones. Basically, wide fields of view and photography weren’t priorities for me but seeing planets and small DSO visually was, budget for fancy eyepieces...
Abstract: A hybrid optical system containing one binary optical element and four refractive lenses is shown to be very useful for long distance photography. The system has the ability of correcting secondary spectrum as well as the five monochromatic primary aberrations and some higher order aberration...
A high-acuity, long-focal-length panoramic camera has recently been developed for high-altitude standoff photography. The camera utilizes a 72-in., f/3.65 catadioptric lens of a modified Cassegrain configuration. Features incorporated into the camera include internal two-axis stabilization, an air ...
Whenshooting a portrait, we usually use the long focal length of the large opticalcircle to achieve the virtual background to obtain a shallower depth of field,so that the main body can be highlighted. At the same time, larger aperture canalso achieve faster shutter value, thereby enhancing ...
Every photographer finds themselves in a creative rut from time to time, but these long-exposure photography ideas will help you find your passion once again.
Long lenses have always been something I’ve used in my photography. When I first got a film body in the 90s I had a 70-300mm variant. I’ve since gone through four camera systems (canon, nikon, canon again, fuji and now sony). On each system I’ve had a long lens of some ...
(redirected fromLong lens) Thesaurus Encyclopedia telephoto lens (ˈtɛlɪˌfəʊtəʊ) n (Photography) a compound camera lens in which the focal length is greater than that of a simple lens of the same dimensions and thus produces a magnified image of a distant object. See ...
this lens ensures that every shot is captured with unparalleled clarity and detail. Whether you're a professional photographer or a casual hobbyist, the 400mm focal length allows you to capture distant subjects with ease, making it perfect for wildlife, sports, and landscape photography. Its univ...