VARIFOCAL CONTACT LENS : CONTACT LENS

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Varifocal Contact Lens


varifocal contact lens
    contact lens
  • A thin plastic lens placed directly on the surface of the eye to correct visual defects
  • A thin lens, made of flexible or rigid plastic, that is placed directly on to the eye to correct vision, used as an alternative to spectacles, or, if coloured, to change one's eye color cosmetically
  • contact: a thin curved glass or plastic lens designed to fit over the cornea in order to correct vision or to deliver medication
  • A contact lens (also known simply as a contact) is a corrective, cosmetic, or therapeutic lens usually placed on the cornea of the eye.
    varifocal
  • A varifocal lens is a camera lens with variable focal length in which focus changes as focal length (and magnification) changes, as compared to parfocal ("true") zoom lens, which remains in focus as the lens zooms (focal length and magnification change).
  • A low cost version of a zoom lens designed to meet installers needs for versatility. This lens does not have the ability to track from wide to telephoto.
  • This refers to a type of lens that has the facility to change the focal length. This allows adjustment of the magnification and field of view of the camera.
varifocal contact lens - Vonnic C105W
Vonnic C105W 1/3-Inch Sony CCD 520 TV Lines 36 IR LED Night Vision 150 Feet 2.8-12mm Varifocal Bullet Camera (White)
Vonnic C105W 1/3-Inch Sony CCD 520 TV Lines 36 IR LED Night Vision 150 Feet 2.8-12mm Varifocal Bullet Camera (White)
Vonnic C105W 1/3" CCD 520 TV Lines 36 IR LED Night Vision 150 ft 2.8-12mm varifocal Bullet Camera White Specifications Image Sensor 1/3” Sony Super HAD CCD Horizontal Resolution 520 TV Lines Scanning system NTSC; Lens 2.8-12mm Varifocal Minimum illumination 0 LUX (IR ON) S/N Ratio More than 48dB White Balance AUTO Auto Gain Control AUTO Electronic Shutter 1/50(1/60)-1/100,000 Sec Gamma Correction 0.45 Water Resistance eatherproof IP66 ower Consumption 500mA Power Supply (Not Included) DC 12V Infrared LED 36 Lights (5mm) IR Distance 150ft (36m)View Angle 110° - 20° Product Dimension (WxDxH) 8.1x3.3x7.1in (20.5x8.5x18cm) Package Dimensions (WxDxH) 9.8x3.9x8.2in (24.8x10x20.8cm) Package Weight 2.6 lbs (1.2kg) Customer Support # 510-656-5579

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Trees in Beckton Park in infrared
Trees in Beckton Park in infrared
Beckton Park, Nikon D50, Kiron 30-80mm manual focus varifocal lens, Hoya 55mm R72 infrared filter. The Kiron was set to aperture wide open, to allow handheld shooting in infrared. Because of the difficulty in seeing any image at all through the D50's viewfinder, and because of the lack of accurate IR indexing on the lens focal distance markings, I bracketed the focus with about five or so separate exposures, each featuring a small shift of focal distance. This proved essential as the critical focus was typically to be found somewhere in the middle of my bracketing.
High Resolution Varifocal Dome
High Resolution Varifocal Dome
This dome camera has a Sony Super HAD CCD chip which makes it extremely sensitive to light and perfect for low-light conditions. Dome camera is high resolution which makes your image more clear. Also built-in this dome camera is an auto iris lens which automatically adjusts to changes in light. Manual zoom controls are accessed by removing the dome cover and adjusting the zoom. Dip switch controls (on the back of the camera AI, AGC, AWB, BIC, FL) allow you to change various image settings.

varifocal contact lens
varifocal contact lens
CCTV Security camera High Resolution Vandalproof Turret Dome Cameras IR vari-focal 3.5-8MM
This is one of our most popular CCTV Vandal Proof Cameras.The weatherproof dome assembly is a versatile, cost-effective, integrated surveillance solution The camera comes with 3.5 to 8 mm lens, which is adjustable from outside of the camera. (See picture for zoom and focus adjustment). With adjustable lens you will be able to get the perfect angel you need and turrent design allows adjust to the position you need rotates manually 360°. Weather proof, vandal proof, is strong point of this camera. Moreover, our SONY Super HAD CCD in combination of SONY DSP will produce a 420TVL of resolution that will provide you sharp images in with 0LUX. This is the perfect camera for DIY and professional installation. Using waterproof metal crust (IP66 standard)

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