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The Specter was developed by Raytheon Six Sigma Product Development Team under Raytheon ELCAN Optical Technologies for the United States Naval Surface Warfare Center to fill the requirement for the "SOPMOD rifle kit SU-230/PVS Articulated Telescope NSN 1240-01-533-09039", development was started in 2003 with the goal to fix the general issue of transition between long-range engagements ...
SQ: Introduced August 1980 [6] as replacement and successor to Bronica's classic and increasingly bulky Nikkor-lens based cameras, production discontinued September 1984. [9] Modular 6x6 cm traditional "square film" medium-format SLR camera system with leaf shutter lenses. SQ-A: Introduced January 1982, [6] production discontinued December 1991 ...
A spherical lens is the same in all directions; you can turn it around, and it doesn't change the way it magnifies, or the way it blurs: A cylindrical lens has refractive power in one direction, like a bar reading magnifier. The rotational orientation of that power is indicated in a prescription with an axis notation.
Cataract surgery, also called lens replacement surgery, is the removal of the natural lens of the eye that has developed a cataract, an opaque or cloudy area. [1] The eye's natural lens is usually replaced with an artificial intraocular lens (IOL) implant.
Lens Blur The multi-core optimized lens blur filter emulates the circular or multi-sided iris shaped highlights that are generated with real camera lenses. Lens Shape The multi-processor accelerated BCC Lens Shape filter to generate stylized image highlights that take their shape from an alternate alpha image source.
A digital single-lens reflex camera (digital SLR or DSLR) is a digital camera that combines the optics and mechanisms of a single-lens reflex camera with a solid-state image sensor and digitally records the images from the sensor.
Uses an equiconvex crown glass lens (i.e. R 1 > 0 with −R 1 = R 2) and a complementary-curved second flint glass lens (with R 3 = R 2). The back of the flint glass lens is flat ( R 4 = ∞). A Littrow doublet can produce a ghost image between R 2 and R 3 because the lens surfaces of the two lenses have the same radii.
Laser blended vision provides a range of benefits, particularly in comparison to traditional monivision solutions, [3] such as bifocal glasses or contact lenses. The key advantage of Laser blended vision is the freedom from reading glasses.
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