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Products/Services for length effective focal

Featured Products
Carl Zeiss Camera Lens Division
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)


<B>Focal</B> Plane Arrays
Focal Plane Arrays - (22 companies)

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

Fresnel Lenses
Fresnel Lenses - (32 companies)

...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

Gradient Index Lenses
Gradient Index Lenses - (12 companies)

...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

Optical Lenses
Optical Lenses - (357 companies)

...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

Serial Cables
Serial Cables - (299 companies)

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

Spherical Lenses
Spherical Lenses - (215 companies)

...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

Cylindrical Lenses
Cylindrical Lenses - (114 companies)

...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

Achromats
Achromats - (63 companies)

...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

Cable Assemblies
Cable Assemblies - (1375 companies)

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

Beam Expanders
Beam Expanders - (11 companies)

...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
Dimensional Gages and Instruments - (962 companies)

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

Photosensor Modules
Photosensor Modules - (36 companies)

...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

Network Cables
Network Cables - (549 companies)

...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

Ethernet Cables
Ethernet Cables - (303 companies)

...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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See more product announcements for Camera Lenses and Video Lenses
Carl Zeiss Camera Lens News

Carl Zeiss Camera Lens News
Carl Zeiss Camera Lens Division


Ultra 16: Cine Lenses for Super 16 format

Ultra 16: Cine Lenses for Super 16 format
Carl Zeiss Camera Lens Division


Distagon T* 2/28 Wide-Angle Lens

Distagon T* 2/28 Wide-Angle Lens
Carl Zeiss Camera Lens Division


Zeiss Customized Solutions

Zeiss Customized Solutions
Carl Zeiss Camera Lens Division


Distagon T* 2,8/21 Super Wide Angle Lens

Distagon T* 2,8/21 Super Wide Angle Lens
Carl Zeiss Camera Lens Division


Distagon T* 2,8/25 ZF Lens

Distagon T* 2,8/25 ZF Lens
Carl Zeiss Camera Lens Division


11 See more product announcements for Camera Lenses and Video Lenses

Product News for length effective focal

Foctek Photonics, Inc.
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)

Stoffel Seals Corporation
Fixed Length Security Seal - Stoffel's TeviTag

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)

Browse Security Seals Datasheets for Stoffel Seals Corporation
Parker Hannifin/Electromechanical Automation
The most cost-effective linear actuator available

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)

Browse Linear Actuators Datasheets for Parker Hannifin/Electromechanical Automation
Fairchild Imaging
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)

Browse Focal Plane Arrays Datasheets for Fairchild Imaging
AZCO Corporation
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)

Hymark
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)

Pratt & Whitney Measurement Systems, Inc.
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)

Browse Calibration Instruments Datasheets for Pratt & Whitney Measurement Systems, Inc.
Pratt & Whitney Measurement Systems, Inc.
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)

Browse Calibration Instruments Datasheets for Pratt & Whitney Measurement Systems, Inc.
Polytec, Inc.
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)

Browse Linear Velocity Sensors Datasheets for Polytec, Inc.
Plasti-Bond/Perma-Cote/Korkap
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)

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Conduct Research

Engineering Web Search: length effective focal
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
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.
Aperture - Wikipedia, the free encyclopedia
The lens aperture is usually specified as an f-number, the ratio of focal length to effective aperture diameter.
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
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
FUJIFILM USA FUJINON |
Effective Focal Length Field of View | Effective Focal Length | Lens Focal Length | Camera/Lens Format Conversion
See Fujinon Inc. Information
Chapter 25 Tele Lenses

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.
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
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

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