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Welcome to GlobalSpec - a trusted source for engineers and industrial professionals.
Search GlobalSpec to find length effective focal-related products, suppliers, datasheets and CAD.
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Product Alerts
Keep current on the latest products, new suppliers, and technical articles of interest to you. (See Topics) |
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)
...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
...wavelength ranges. Ultraviolet Fresnel lenses are designed for use in the 4 nm to 380 nm wavelength ranges. Important lens geometry parameters to consider when specifying Fresnel lenses include effective focal length, grooves, round or square... 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 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
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
...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
...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
...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
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
...focusing options can be used to yield even smaller spot sizes. As a rule, the beam’s expander power is equal to the ratio of the effective focal length (EFL) of the objective lens to the EFL of the entrance optic. The separation between these two... 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
...diameter or length, effective area width, spectral response or wavelength range, supply voltage, and number of channels. Output types for photosensor modules include voltage, current, and photon counting. Depending on the output type, manufacturers... 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
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Carl Zeiss Camera Lens News Carl Zeiss Camera Lens Division
Ultra 16: Cine Lenses for Super 16 format Carl Zeiss Camera Lens Division
Distagon T* 2/28 Wide-Angle Lens Carl Zeiss Camera Lens Division
Zeiss Customized Solutions Carl Zeiss Camera Lens Division
Distagon T* 2,8/21 Super Wide Angle Lens Carl Zeiss Camera Lens Division
Distagon T* 2,8/25 ZF Lens Carl Zeiss Camera Lens Division
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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)
The TeviTag security seal is the result of Stoffel Seals' commitment to provide a simple, cost-effective solution that increases security and efficiency. It is the first tamper-evident security device to combine Security and Logistics. (read more)
The next generation of belt driven modules, the Parker Daedal HPLA expands on the roller wheel bearing design with the addition of high-load capacity steel wheels. The steel wheels significantly increase normal and moment load capacities of this belt driven actuator. (read more)
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)
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)
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)
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)
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 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)
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)
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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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Diffraction - Wikipedia, the free encyclopedia where ? is the wavelength of the light and N is the f-number (focal length divided by diameter) of the imaging optics. |
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Aperture - Wikipedia, the free encyclopedia The lens aperture is usually specified as an f-number, the ratio of focal length to effective aperture diameter. |
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TECHSPEC® Precision Aspheric Lenses - Edmund Optics Effective Focal Length EFL (mm) 11.25 Aperture (f/#) Effective Focal Length EFL (mm) 11.25 Aperture (f/#) See Edmund Optics Inc. Profile & Catalog |
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Zinc Selenide Meniscus Lenses - Edmund Optics Effective Focal Length EFL @ 12?m (mm) 12.94 Effective Focal Length EFL @ 10.6?m (mm) See Edmund Optics Inc. Profile & Catalog |
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FUJIFILM USA FUJINON | Effective Focal Length Field of View | Effective Focal Length | Lens Focal Length | Camera/Lens Format Conversion See Fujinon Inc. Information |
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Chapter 25 Tele Lenses |
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Measurement of lens focal length using multicurvature analysis... Yet it is sometimes difficult to make accurate effective focal length and pupil position measurements, especially for long focal length lenses. |
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Sandia National Laboratories - <? echo $iptitle; ?> Details the variable focal-length lenses or mirrors can provide the flexibility necessary to change the overall system focal length (i.e., effective focal |
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KODAK CANADA: Guide to Better Pictures This allows the physical length of some telephoto lenses to be shorter than the focal length. See Eastman Kodak Company Information |