Search results
Results from the WOW.Com Content Network
Google provided four prescription frame choices for $225 and free with the purchase of any new Glass unit. Google entered in a partnership with the Italian eyewear company Luxottica, owners of the Ray-Ban, Oakley, and other brands, to offer additional frame designs. [28]
The acronym "smc" stands for super multi-coated, a feature long found on higher-grade Pentax lens. "IF" indicates that the lenses are of an internal focusing design. Pentax 67 lenses can be used on the 645 series with an adapter. The Pentax 645 lens mount has a flange focal distance of 70.87mm. [7] [8] smc PENTAX-D FA 645 25 mm F4.0 AL SDM AW ...
Early "S" lenses may have gold "S" stickers on them, while later "S" lenses may have the "S" engraved. "S" lenses may also be called "CS" lenses. [1] SF — the lens has a separate control ring to create a Soft Focus effect. [13] ULD — the lens has “ultra low dispersion” glass in its design [1] Zoom — the lens has a variable focal ...
A prism spectrometer is an optical spectrometer which uses a dispersive prism as its dispersive element. The prism refracts light into its different colors ( wavelengths ). The dispersion occurs because the angle of refraction is dependent on the refractive index of the prism's material, which in turn is slightly dependent on the wavelength of ...
Since 1968, most Best Picture winners have been rated R under the Motion Picture Association's rating system. Oliver! is the only G-rated film and Midnight Cowboy is the only X-rated film (what is categorized as an NC-17 film today), so far, to win Best Picture; they won in back-to-back years, 1968 and 1969. The latter has since been changed to ...
The S Pen has latency at 2.8ms, reduced from 26ms on Note 20 and 9ms on the Note 20 Ultra and S21 Ultra (although the S21 Ultra had S Pen functionality, it was not included with the phone), and marked the introduction of an 'AI-based co-ordination prediction system'. The S Pen also supports Air gestures and the Air Action system.
An ultra wide-angle lens is a lens whose focal length is shorter than that of an average wide-angle lens, providing an even wider view. The term denotes a different range of lenses, relative to the size of the sensor in the camera in question. For 1" any 9mm or shorter is considered ultra wide angle. For 4/3" any 10 mm or shorter lens is ...
Using a phoropter to determine a prescription for eyeglasses. An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist, that specifies the value of all parameters the prescriber has deemed necessary to construct and/or dispense corrective lenses appropriate for a patient.