Adjustable-focus eyeglasses - Wikipedia- variable focus lens meaning ,Adjustable focus eyeglasses are eyeglasses with an adjustable focal length.. They compensate for refractive errors (such as presbyopia) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both..Current bifocals and progressive lenses are static, in that the user has to change their eye position to look through the portion of the lens with the ..US3598479A - Variable focus liquid lenses - Google Patents .. the cell being variable to change the curvature of the sheet and thereby provide a continuous variation in the focus of the lens.. .. Variable focus liquid lenses Download PDF Info Publication number US3598479A US3598479A US805717A US3598479DA ..
Variable Focus Lens Related Videos From Youtube Janet 2021..04..30 08:45:39 We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners..
A-25H is based on Corning Varioptic’s breakthrough lens technology, allowing variable focus with absolutely no moving parts.. The A-25H lens is broadly suited for standard imaging applications.. For very close distance imaging needs, the A-25H-D0 is specially designed with a high dynamic range.. A-25H comes with two different AR coating options ..
A variable focus lens system that can be used in eyeglasses is disclosed.. The system consists of superimposed first and second transparent thin lenses with surfaces divided into Fresnel zones and zone boundaries.. The lenses are relatively slidable for focus ..
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Customize.. $250..00.. The Deputy 2..0 v3 - 26DF2M-V3 - 2MP (1080P) Fixed Wide Angle Lens Turret Dome Camera.. In stock.. Add to Wish List.. Customize.. $180..00.. The Detective 8..0 - 26DV8M-A - 8MP (4x1080P) Multi-Purpose Lens Turret Dome Camera with Motorized Zoom and Focus and Audio Microphone.. In stock..
There are 2 example sentences for variable focus lens.. Click for more examples 1.. Among Graham's other accomplishments were participation in developing a low-vision spectacle, introducing reflection-reducing coating for ophthalmic lenses, developing colorless
Our packaged A-Series lenses are designed to make integration easier.. There is no need for mechanical and electrical integration of the liquid lens, enabling the variable focus capability to be integrated much faster into the customer's system.. The lens is built-in with an FPC cable, and can be connected to a standard FPC connector..
There are 2 example sentences for variable focus lens.. Click for more examples 1.. Among Graham's other accomplishments were participation in developing a low-vision spectacle, introducing reflection-reducing coating for ophthalmic lenses, developing colorless
This means a variable aperture lens will be less effective at capitalizing on photos with variations in focus.. A fixed aperture lens, on the other hand, will allow the full range of apertures, since its focal lengths are independent of aperture, and thus allow a much wider range of options in terms of depth of field..
Customize.. $250..00.. The Deputy 2..0 v3 - 26DF2M-V3 - 2MP (1080P) Fixed Wide Angle Lens Turret Dome Camera.. In stock.. Add to Wish List.. Customize.. $180..00.. The Detective 8..0 - 26DV8M-A - 8MP (4x1080P) Multi-Purpose Lens Turret Dome Camera with Motorized Zoom and Focus and Audio Microphone.. In stock..
1.. Among Graham's other accomplishments were participation in developing a low-vision spectacle, introducing reflection-reducing coating for ophthalmic lenses, developing colorless ultraviolet absorbing lenses and inventing the variable focus lens..2.. In 2007 Wil and ..
1.. Near Variable Focus Lens.. This lens is also known as the office or computer progressive lens.. It is designed to help in the office with the main intention to offer a clear vision to the user at 16 inches to 6 feet.. This lens is for people who need to experience things closer like artists, dentists, mechanics, and editors..
Adjustable focus eyeglasses are eyeglasses with an adjustable focal length.. They compensate for refractive errors (such as presbyopia) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both..Current bifocals and progressive lenses are static, in that the user has to change their eye position to look through the portion of the lens with the ..
US6369954B1 US09/529,193 US52919300A US6369954B1 US 6369954 B1 US6369954 B1 US 6369954B1 US 52919300 A US52919300 A US 52919300A US 6369954 B1 US6369954 B1 US 6369954B1 Authority
GW8272MIC 8MP 4K IP POE 2..7-13..5mm Varifocal Lens Dome Security Camera Built-In Microphone, 5X Optical Zoom, Human Detection.. $ 359..99 $ 215..00.. Add to cart.. -41%.. HD-IP Security Cameras.. GW8050MIC 8MP IP POE 4X Optical 2..8-12mm Varifocal Lens Bullet Security Camera, Human Detection, Built-In Microphone..
My invention has reference to lenses and more particularly is concerned with lenses of the variable focus type.. Several types of variable focus lens of the prior art employ two transparent diaphragms of some suitable curved shape, usually spherical segments, which are mounted in a frame, the space enclosed between them being filled with a clear liquid..
1.. Near Variable Focus Lens.. This lens is also known as the office or computer progressive lens.. It is designed to help in the office with the main intention to offer a clear vision to the user at 16 inches to 6 feet.. This lens is for people who need to experience things closer like artists, dentists, mechanics, and editors..
Adjustable focus eyeglasses are eyeglasses with an adjustable focal length.. They compensate for refractive errors (such as presbyopia) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both..Current bifocals and progressive lenses are static, in that the user has to change their eye position to look through the portion of the lens with the ..
variable-focus lens.. A lens assembly containing several movable elements to permit changing of the effective focal length (EFL).. Unlike a zoom lens, a variable-focus lens may require refocusing with each change of EFL.. See multifocal lens..
A-58N is based on Corning Varioptic’s breakthrough lens technology, allowing variable focus with absolutely no moving parts.. A-58N features 15 diopters of dynamic range, guaranteeing 7 cm focus ability and offers the same low power consumption, high shock resistance, and fast focus ability that have led to the success of the A-Series Variable Focus Lenses..
1.. Near Variable Focus Lens.. This lens is also known as the office or computer progressive lens.. It is designed to help in the office with the main intention to offer a clear vision to the user at 16 inches to 6 feet.. This lens is for people who need to experience things closer like artists, dentists, mechanics, and editors..
Our packaged A-Series lenses are designed to make integration easier.. There is no need for mechanical and electrical integration of the liquid lens, enabling the variable focus capability to be integrated much faster into the customer's system.. The lens is built-in with an FPC cable, and can be connected to a standard FPC connector..
It is specifically designed for ultra-compact cameras, such as barcode engines, industrial and medical endoscopes, etc.. A-16F is based on our breakthrough lens technology, enabling variable focus with absolutely no moving parts.. A-16F comes with two different AR coating options, and also in a pre-packaged type with straight FPC connection..
Or Variable Focal Length Lens.. A zoom lens.. e..g.., 28-100mm; meaning a lens with a focal length capable of varying from 28mm all the way to 100mm, in this example, from landscapes to portraits.. Nikonians Photo Glossary Retrieved from "https://wiki..nikonians" ..
