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Products/Services for focal length
The Concentrated View. This short telephoto is a classic portrait focal length which is further enhanced by the long barrel rotation for precise control of the focus point in the image. (read more)
...image captures. Other types of camera lenses and video lenses are also available. Optical characteristics for camera lenses and video lenses include focal length, adjustability, focal ratio, minimum focusing distance, zoom capability, zoom... Search by Specification | Learn More
Focal plane arrays (FPA) are detectors consisting of a linear or two-dimensional matrix of individual detector elements, typically used at the focus of an imaging system. Search by Specification | Learn More
...is a Fresnel lens with a positive focal length. Negative lenses are Fresnel lenses with a negative focal length. Lens application is an important parameter to consider when searching for Fresnel lenses. Lens application refers to the desired wavelength... Search by Specification | Learn More
...choosing monochromators. Dispersion in monochromators is the wavelength dispersing power, which is usually expressed as spectral range or slit width (nm/mm). Dispersion depends on the focal length, grating resolving power, and the grating order. Resolution... Learn More
...convex-convex, concave-concave, meniscus, aspheric, and ball. Plano-convex lenses have a positive focal length, which makes them ideal for collecting and focusing light for many imaging applications. Plano-concave lenses have a negative focal... Search by Specification | Learn More
...as the distance of the light source from the reflector. A secondary focal length determination is also needed for proper focusing of ellipsoidal reflectors. This range is the point at which the reflected light converges outside the reflector. Search by Specification | Learn More
...configurations. Plano-concave lenses have a negative focal length and are used for image reduction or to spread light. Plano-convex lenses have a positive focal length, which makes them ideal for collecting and focusing light for many imaging... Search by Specification | Learn More
...of the available gradient index lenses or GRIN lenses is best for the application at hand, the following specifications are of greatest import: effective focal length, lens diameter, radius of the curvature, and the thickness of the edge and the center. Focal... Search by Specification | Learn More
...for reflecting light. Usually, the reflecting surface is a thin coating of silver, or aluminum on glass. Product specifications for optical mirrors include diameter, radius of curvature, thickness focal length, and surface quality. The diameter... Search by Specification | Learn More
Spherical mirrors are curved so that reflected beams converge on a focal point. Search by Specification | Learn More
...is the focal length. Focal length is the distance from the mirror the light converges. Parabolic mirrors can be supplied in a variety of materials. Mirror material refers to the classification of the material used to make the mirror. The material... Search by Specification | Learn More
...of laser delivery and laser compatibility specifications. Important considerations include diameter, focal length, clear aperture or beam diameter, laser output power, and laser type. The clear or free aperture size of a laser optics component is the size... Search by Specification | Learn More
...for optical lenses include effective focal length, diameter or length, width, and lens application. Ultraviolet (4 nm to 380 nm), visible (380 nm to 750 nm) and infrared (750 to 2500 nm) products are commonly available. Search by Specification | Learn More
...in longitudinal color foci of about 0.05 percent. Such lenses are usually designed to focus blue and red light to the same position, with all other colors focusing at either slightly longer or slightly shorter focal lengths. The discordant 0.05... Search by Specification | Learn More
...point with a pinhole for spatial filtering. Galileo laser beam expanders do not have an internal focal point and are usually shorter in length. They produce very high levels of energy at the focal point and are used in lasers for material processing... Learn More
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Ultra Prime Lenses Carl Zeiss Camera Lens Division
Carl Zeiss ZE-Lenses for Industrial Applications Carl Zeiss Camera Lens Division
Makro-Planar T* 2/100 Telephoto Macro Lens Carl Zeiss Camera Lens Division
ZF: ZEISS lenses for F-bayonett SLRs Carl Zeiss Camera Lens Division
Distagon T* 3,5/18 Ultra Wide Angle Lens Carl Zeiss Camera Lens Division
Distagon T* 2/35 Wide-Angle Lens Carl Zeiss Camera Lens Division
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Product News for focal length
Vari-focal lens (manual/auto iris)
FOCtek offers high quality Vari-focal lens (manual/auto iris), we have own brand--Neusion for CCTV Lens and Camera Lens (read more)
Focal Plane Arrays
No matter your choice, a Fairchild Imaging focal plane array can be perfectly suited to your aerospace, industrial, medical or scientific imaging application. (read more)
Distagon T* 2/35 Wide-Angle Lens
The Versatile Reporter. This classic focal length with a moderate wide-angle perspective
is perfectly suited for commercial, location and nature photography. The Distagon T* 2/35 is designed to provide very high image quality over a wide range of apertures and focusing ranges.
(read more)
Planar T* 1,4/85 Short Telephoto Lens
The Concentrated View. This short telephoto is a classic portrait focal length which is further enhanced by the long barrel rotation for precise control of the focus point in the image. (read more)
IP Dome Camera
Dome Camera, IP Network Day Night, DC Autoiris Lens, Voltage 12VDC/24VAC, Length 5 3/8 In, Width 5 3/8 In, Height 4 In, Dia 5 3/8 In, Focal Length 3.3 to 12 mm, Minimum Light Level 0.015 Lux, Line Resolution 520, Power Supply Not Included, Power Consumption 12 Watts @ 24VAC, Included Mount, S/N Ratio 50 dB, 525/60 Lines (NTSC) Scanning, 771 x 492 Pixels (read more)
Distagon T* 2/28 Wide-Angle Lens
The Famous High-speed Artist. This moderate wide-angle lens is based on the renowned Distagon design of the 1980s for the Contax system. (read more)
Distagon T* 2,8/21 Super Wide Angle Lens
The new horizon. This legendary super wide angle lens will set new standards in its focal length class. (read more)
QIoptiq LINOS F-Theta Power-Ronar lens
The newly developed LINOS F-Theta-Power-Ronar lens with a focal length of 160mm permits an improved input beam diameter of up to 15mm with a 1/e² Gaussian beam profile, achieving a spot diameter of 12µm. It allows an image field of 98.7 x 98.7mm². (read more)
FOCtek CCTV Lens and Camera Lens
FOCtek designs and manufactures CCTV Camera Lens and Industrial Vision Lens for Security and industrial vision instrument. Our products include Board Lens, Fixed Iris lens, Manual Iris lens, Auto Iris lens, Monofocal Lens, Vari-Focal Lens, Mega-Pixels Lens and Zoom Lens Module. Our newly developed Visible + IR compatible Lens is specially designed for working at both day time and night. (read more)
Navitar offers New Machine Vision Megapixel Lenses
Aegis Electronic Group, Inc is now stocking Navitar's new Machine Vision Megapixel fixed focal length lenses. These machine vision lenses are the newest addition to Navitar's Low Magnification Video Lens line. Perfect for Machine Vision applications including surveillance and security cameras, these lenses have an innovative optical design and are being offered at an affordable price. (read more)
Parts by Number for focal length
| Part # | Distributor | Manufacturer | Product Category | Description |
|---|---|---|---|---|
| LCF08LT | Newark | BANNER ENGINEERING | Digital Cameras & | Lens; Focal Length:8Mm; Format Size:2/3""D; For Use With:Presence Plus Vision Sensors; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No |
| LCF25R | Newark | BANNER ENGINEERING | Digital Cameras & | Lens; Focal Length:25Mm; Format Size:1""T; For Use With:Presence Plus Vision Sensors; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No |
| LCF75LT | Newark | BANNER ENGINEERING | Digital Cameras & | Lens; Focal Length:75Mm; Format Size:2/3""E; For Use With:Presence Plus Vision Sensors; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No |
| S42402 | Amazon | American Educational Products | Industrial & Scientific | Precision Lenses; Double Convex; Dia.: 38mm; Focal Length: 10cm |
| LCF03LT | Newark | BANNER ENGINEERING | Digital Cameras & | Lens; Focal Length:3.5Mm; Format Size:1/2""T; For Use With:Presence Plus Vision Sensors; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No |
Conduct Research
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Precision Refractive Zoom Lens with Long Focal Length (.pdf)
Developed for the Army's White Sands Missile Range, this precision zoom lens consists of 16 refractive elements with three stationary lens groups and two moving lens groups. Using optical...(read more)
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Precision refractive zoom lens with long focal length
Delivered to the U.S. Army White Sands Missile Range in January 2006 the Precision Metric Zoom Lens was manufactured as a result of an SBIR Phase I and II to design and manufacture a zoom lens system...(read more)
- Determining Lens Focal Length Requirements in Machine Vision & Surveillance
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Understanding Ball Lenses
The effective focal length of a ball lens is very simple to calculate (Figure 1) since there are only two variables: the ball lens diameter, D, and the index of refraction, n. The effective focal...(read more)
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How Does a Diopter Work?
A diopter is a unit of measurement describing the optical power of a lens or curved mirror. When shopping for magnifiers, consider this: The diopter is equal to the reciprocal of the focal length...(read more)
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Using Laser Beam Expanders
Laser Beam expanders are designed to decrease the laser's beam spot size at large distances. There are two main types of beam expanders: Keplerian and Galilean. In its simplest form, the Galilean type...(read more)
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Bestform Laser Lens Theory (.pdf)
Simple focusing and collimating of laser light can often be accomplished by using a single lens element. However the focused spot size, energy intensity and image quality are all dependent on, not...(read more)
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Monochromators
Monochromators are spectrometer optical systems capable of measuring a single wavelength, which can be scanned through a wide wavelength range. A common form of monochromator is the Czerny-Turner...(read more)
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Polychromators
Polychromators are common, spectrometer-type optical systems which scatter the spectrum and isolate the analytical lines of the elements to be analyzed. Paschen Runge polychromators consist of an...(read more)
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Microlenses may detect biological weapons
Scientists at the Georgia Institute of Technology have developed a method of detecting trace amounts of biological or chemical agents in seconds, much faster than traditional methods which can take up...(read more)
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Lens (optics) - Wikipedia, the free encyclopedia point to the lens is also known as the focal length, although it is negative with respect to the focal length of a converging lens. |
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Chromatic aberration - Wikipedia, the free encyclopedia Since the focal length f of a lens is dependent on the refractive index n, different wavelengths of light will be focused on different positions. |
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Focal Length Focal length - The focal length of a lens or mirror is the distance along the optical axis from the lens to the principal focus (or focal point). A |
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physics - Focal length Focal length The focal length of a lens is the distance |
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MATLAB Central - Newsreader - How to get the focal length with... MATLAB Central > MATLAB Newsreader > How to get the focal length with 2 images? See MathWorks, Inc. (The) Information |
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Megapixel Fixed Focal Length Lenses - Edmund Optics 8mm Megapixel Fixed Focal Length Lens Focal Length FL (mm) products : imaging : imaging lenses : fixed focal length lenses See Edmund Optics Inc. Profile & Catalog |
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Compact Fixed Focal Length Lenses - Edmund Optics products : imaging : imaging lenses : fixed focal length lenses Compact Fixed Focal Length Lenses Lockable Manual Focus and Aperture Control See Edmund Optics Inc. Profile & Catalog |
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Forum Question: lens, what is a varifocal? A vari-focal length allows you to change the focal length, and thus the perspective. |
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calibrated focal length - What does CFL stand for? Acronyms... (redirected from calibrated focal length) Calibrated Focal Length CFL Club Francais du Livre (French Book Club) |
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Focal Length Focal Length The focal length of the lens is measured in mm and directly relates to the angle of view that will be achieved. |
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