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Products/Services for focal back 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
Back-up rings or anti-extrusion rings are washer-like devices used to prevent seals from extruding through gaps while under pressure. Seals are installed in the downstream side of the gland. Search by Specification | Learn More
...which welding alloys experience plastic deformation. Elongation is the increase in length of a metal stressed in tension. Melting range is the range of temperatures over which filler alloys melt. With regard to tips or electrodes, choices include... Search by Specification | Learn More
Filler metal alloys and consumables used in welding, brazing or soldering include items in rod sheet, wire spool, coated stick, weld stud, powder, preform or paste forms. Search by Specification | Learn More
A and USB Type B. The length of serial cables is specified in English or metric units. Suppliers of serial cables may designate their products as suitable for use in specific applications. Examples include automotive, audio, camera or imaging... Search by Specification | Learn More
Cat 3, Cat 5, Cat 6, coaxial, fiber optic, RG6/11, triaxial, type 1, and twisted pair. The necessary cable length is important to consider when searching for cable assemblies. Choices for gender of the connectors of the cable are necessary... Search by Specification | Learn More
Back flow preventers are assemblies consisting of two check valves and two shut off valves. These assemblies may also include test cocks for each chamber. Search by Specification | Learn More
Dimensional gages and instruments provide quantitative measurements of product or component dimensional and form attributes such as wall thickness, depth, height, length, inner diameter (ID), outer diameter (OD), taper or bore. Search by Specification | Learn More
...and DB68; Header 26, Header 40, and Header 50; HSSDC and HSSDC2; internal 50-pin SCSI and internal 68-pin SCSI; Micro Centronics 36, 50, 60, and 68; Min DIN 4; RCAM; RJ011, RJ-12, and RJ-45; Telco 50; USB Type A and USB Type B. The length of network cables... Search by Specification | Learn More
...or satellite applications. In addition to cable type, Ethernet cables carry construction specifications for cable length, gender and connector type. Cable length is listed in English and/or metric units. There are three choices for gender: male-male, male... Search by Specification | Learn More
Abrasive belts consist of abrasive grain adhered onto the surface of a cloth, film, paper, non-woven or other backing. Search by Specification | Learn More
Cloth tapes use a woven or nonwoven fabric backing that provides a high-strength material compared to film or paper tapes. Search by Specification | Learn More
Spherical mirrors are curved so that reflected beams converge on a focal point. Search by Specification | Learn More
...on a single structure. Important parameters to consider when specifying laser micrometers include range, resolution, speed, T/R separation and laser and visibility type. The range of the micrometer is the total range length or dimensional range... Search by Specification | Learn More
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Ultra Prime Lenses Carl Zeiss Camera Lens Division
Makro-Planar T* 2/50 Macros Lens Carl Zeiss Camera Lens Division
Distagon T* 2/35 Wide-Angle Lens Carl Zeiss Camera Lens Division
Telecentric VISIONMES® Lenses and Modules Carl Zeiss Camera Lens Division
Distagon T* 3,5/18 Ultra Wide Angle Lens Carl Zeiss Camera Lens Division
Planar T* 1,4/50 ZF Lens Carl Zeiss Camera Lens Division
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Product News for focal back length
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)
Vari-focal lens (manual/auto iris)
Focal length (mm):6-60;Aperture (F):1.4-360;Mount:CS;Format cover (inch):1/3;Horizontal Angle of View (°):49.1-5.0;Min. object Dimension (m):0.3;Dimension (mm):82×48×41; Net Weight (g):145;Iris:Auto (DC drive) (read more)
Cable Assemblies, Long-length HDMI Cable Assembly
Getting the HDMI digital video signal from point A to point B doesn't have to be as hard as it seems. L-com Connectivity Products now offers a line of HDMI products that extend your video signal with minimal effort. This includes HDMI cables and more. (read more)
SUR-SIZE™ Cut-To-Length Assembly
The combination of a knife assembly and a roll feeder creates a Sur-Size™ cut-to-length assembly. The Sur-Size™ cut-to-length assemblies are capable of handling a wide variety of film, foil, paper and non-woven products. They are self-contained, complete units that deliver finished product to your specifications. (read more)
High Accuracy Digital Length Measuring Machine
Kentuck Gauge High Accuracy - Digital Length Measuring Gauge from Hymark
Specifications
• Measuring length: 60in to 240in, longer on request - any custom length in 4in increments
• Material diameter: up to 2in (standard), others on request
(read more)
Laser Measuring Machine - Long Length External
Long Length Measuring Machines are offered in standard lengths to 3 meters (120 inches) available with either our Electrolimit or laser based transducer, both easily measuring length, diameter, pitch diameter, roundness, parallelism and taper. (read more)
Digital Measuring Machine - Long Length External
Long Length Measuring Machines are offered in standard lengths to 3 meters (120 inches) available with either our Electrolimit or laser based transducer, both easily measuring length, diameter, pitch diameter, roundness, parallelism and taper. (read more)
Precision Speed and Length Measurements
Precision speed and length measurements are critical for controlling production costs and for process optimization of continuous or quasi-continuous production. The ideal sensor must meet or exceed contact sensor performance while increasing dependability, surviving adverse industrial environments and minimizing maintenance. (read more)
Cut-to-Length Strut To Assist Easy Installation
Plasti-Bond, a leader in the PVC-coated galvanized rigid conduit industry, has introduced new cut-to-length sizes of PVC-coated strut. Up until now, strut has been sold in 10' lengths. However Plasti-Bond learned that users frequently cut struts down to shorter lengths to fit installation needs. When field cutting, the cut ends need to be repaired with touch-up compound... (read more)
LabMicrometer® ID/OD for Long Length
If a large direct reading range is important to you, choose the Labmicrometer measuring system. Designed for gage calibration laboratories requiring precise internal and external measurements over long lengths, it's popular with aerospace and defense contractors. Common applications include measurements of end/length standards, long gage blocks, plug/pin gages, thread gages, and rings. (read more)
Conduct Research
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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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Frequently Asked Questions on Optics: Part 1
Each glass type has its own set of specific characteristics. We have selected the best glass types available to produce optimal results for each individual lens design. This is the most significant in...(read more)
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Lens (optics) - Wikipedia, the free encyclopedia Lenses have the same focal length when light travels from the back to the front as when light goes from the front to the back, although other |
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Magnification - Wikipedia, the free encyclopedia of the objective depends on its focal length fo and on the distance d between objective back focal plane and the focal plane of the eyepiece (called |
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ASTM E1165 -04 Standard Test Method for Measurement of Focal... Back to Nondestructive Testing Standards See ASTM International Information |
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TECHSPEC® Precision Aspheric Lenses - Edmund Optics Back Focal Length BFL (mm) 6.85 Radius R (mm) Back Focal Length BFL (mm) 6.85 Radius R (mm) See Edmund Optics Inc. Profile & Catalog |
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TECHSPEC® PCX Uncoated Lenses - Edmund Optics Effective Focal Length EFL (mm) 0.60 Back Focal Length BFL (mm) Effective Focal Length EFL (mm) 1.00 Back Focal Length BFL (mm) See Edmund Optics Inc. Profile & Catalog |
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Ball Lens: Optipedia, Free optics information from SPIE The focal length of the ball lens is Its back focal length or back focal distance is, as already indicated, |
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Gradient Index Lens: Optipedia, Free optics information from... (5.25) and (5.26) a focal length of f = 2 mm, and a back focal length of bfl ? 0.52 mm. The back focal length is Figure 3 shows the details of a |
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Back Focal Length Expert for Consulting, Expert Witness The following experts are available as back focal length consultants and back focal length expert witnesses. See Intota Information |
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Tunable liquid micro-lens system The back focal length of this latter system can be tuned between 2.3 mm and infinity with applied voltages of 0 V to 45 V. Keywords: tunable liquid |
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Variable focal length on-and off-axis deformable concave and... Variable focal length on-and off-axis deformable concave and convex mirror and its application for thermal lens compensation |
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