RECOMMENDED READING FOR SERIOUS AQUARIUM KEEPERS LOOKING TO MOVE PAST THE BASICS. How Ulraviolet Sterilization Works The MOST ACCURATE, RESEARCHED, & IN DEPTH article on the subject of UV Sterilizer, Clarifier Use in Aquariums or Ponds ANYWHERE.
The superior resolving power of this lens ensures consistently superb results. A fluorite element enables high transmission rates with minimal chromatic aberration.
10.5mm f/2.8G AF DX Fisheye Nikkor EDMore 615.00 The world's first fisheye lens developed for the Nikon DX Format digital SLRs. This lens enables a unique 180 degree picture angle, close focusing down to 14cm and the kind of incredible depth of field (DOF) properties characteristic of fisheye lenses.
Perhaps lunar miners could use something analogous to Bruce Damer's idea for asteroids of using CO in an enclosure warmed by the sunlight and iron and nickel extracted in attached 3D printer
Make sure this fits by entering your model number.; Genuine Canon 20x HD video zoom lens with Professional L Series Fluorite; Independent Manual Focus. Zoom, and Iris Ring Three 1/3 inch native 169 CCD with 1.67M pixels (1440 x 1080); 1080 HD resolution with choice of
Client Field Site Country Plant Type Main Technical Data; KIMA / TECNIMONT Petrochemical KIMA Ammonia & Urea Fertilizer Project in Aswan Egypt Water demineralization system with activated carbon filters, cation and anion exchangers
Earthrise as shot from the Command Module of Apollo XI, 20 July 1969. Shot with a modified Hasselblad 500EL/70, Zeiss Sonnar 150mm f/4, shot wide open at f/4 at 1/250 on Ektachrome. bigger. (Courtesy NASA Image Lab
See also Yosemite and the Eastern Sierra, October 2015. My stabilized 100 400mm lens lets me hand hold it at 1/8 of a second, so I can capture blurry water motion without having to lug around a tripod. The Canon 100~400mm L IS II is state of the art and better than any other general purpose
Pulse repetition frequency (PRF) is the number of pulses per time unit (e.g. Seconds). It is mostly used within various technical diciplines (e.g. Radar technology) to avoid confusion with the unit of frequency hertz (Hz) mainly used for waves.
The Canon FD lens mount is a physical standard for connecting a photographic lens to a 35mm single lens reflex camera body. The standard was developed by Canon of Japan and was introduced in March 1971 with the Canon F 1 camera. It served as the Canon SLR interchangeable lens mounting system until the 1987 introduction of the Canon EOS series cameras, which use the newer EF lens mount.