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All Products / Imaging Lenses / Fixed Focal Length Lenses / Liquid Lens Cx Series Fixed Focal Length Lenses
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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

50mm, f/7, Liquid Lens Cx Series Fixed Focal Length Lens

50mm, f/7, Liquid Lens Cx Series Fixed Focal Length Lens, #33-687

50mm, f/7, Liquid Lens Cx Series Fixed Focal Length Lens, #33-687
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Stock #33-687 3-5 days
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Note: This item requires accessories for use | Learn More
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Iris Option:
Fixed
Length (mm):
54.70
Horizontal Field of View, 1/2" Sensor:
32.5mm - 6.7°
Horizontal Field of View, 2/3" Sensor:
44.7mm - 9.2°
Filter Thread:
M25.5 x 0.50 (Male)
Maximum Diameter (mm):
30.5
Outer Diameter (mm):
30.5
Weight (g):
72
Horizontal Field of View, 1/3" Sensor:
24.4mm - 5.0°
Maximum Rear Protrusion (mm):
0
Maximum Image Circle (mm):
11.00
Numerical Aperture NA, Object Side:
0.0128
Number of Elements (Groups):
7 (5)
Note:
Separate driver not included. Electronic development kit #28-773 recommended. When using a Maxim driver board (#12-247, #12-248, or #17-172) the jumper at ST2 must be removed before use to ensure optimal performance and product lifetime. Watch this video for more information.
Horizontal Field of View, 1/1.8" Sensor:
36.6mm - 7.5°
Horizontal Field of View, 1/2.5" Sensor:
29.5mm - 6.1°
Type:
Fixed Focal Length Lens
Focal Length FL (mm):
50.00
Primary Magnification PMAG:
0.212
Maximum Sensor Format:
2/3"
Working Distance (mm):
250 - ∞
Mount:
C-Mount
Aperture (f/#):
f/7
Coating Specification:
425 - 675nm BBAR
Entrance Pupil Position (mm):
25.16
Object Space Principal Plane (mm):
46.27
Image Space Principal Plane (mm):
-41.22
Field of View at Max Sensor Format:
Horizontal: 42mm - 9.4°
Vertical: 31.5mm - 7°
Diagonal: 52.6mm - 11.7°
Maximum Distortion (%):
0.17
Integrated Liquid Lens Model:
Corning® Varioptic® A-39N0
Exit Pupil Position (mm):
-76.82
Lens Wavelength Range:
VIS
Imaging Lens Type:
Integrated Liquid Lens to Adjust Focus Electronically
Storage Temperature (°C):
-20 to +60 For questions regarding operating temperature please contact our support team

Regulatory Compliance

RoHS:
Compliant
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Certificate of Conformance:
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Product Family Description

  • Up to 2/3", C-Mount Lens
  • Up to 7.5 MegaPixels, 2.8µm Pixel Size Sensors
  • Liquid Lens Provides Dynamic Autofocus
  • 12mm to 50mm Focal Length

TECHSPEC® Liquid Lens Cx Series Fixed Focal Length Lenses are designed with an integrated liquid lens providing a quick autofocus solution. Combining our high-resolution optical design with a liquid lens allows for fast electronic focus with superior image performance. The C-Mount design simplifies integration into machine vision and factory automation applications. TECHSPEC® Liquid Lens Cx Series Fixed Focal Length Lenses features a modular 3-piece housing design for easy access and replacement of the integrated liquid lens. For further documentation information or questions regarding ease of assembly and design support, please review our quick start guides, lens manuals, or contact technical support.

Note: Driver and software are required for operation and must be purchased separately unless camera in use has liquid lens control capability. Various drivers and software are included in the Electronics Development Kit (#28-773). Individual drivers can also be purchased separately if software is not needed (#12-247 or #12-248).

TECHSPEC® Liquid Lens Cx Series Fixed Focal Length Lenses are also available without a liquid lens as TECHSPEC® Cx Series Fixed Focal Length Lenses. This standalone modular 3-piece design without the liquid lens allows other accessories such as filter holders and apertures to be integrated. Additional Cx Lens accessory options are available for purchase separately.

Edmund Optics has created a family of high performance optical designs (the C Series family) and developed 6 customized optomechanical solutions targeted for specific applications. These lens sub-families utilize the same optics as the C Series lenses providing the same optical performance in a variety of optomechanical solutions to meet your application requirements:

  • C Series: Features locking cam focus and iris adjustment and is the most adjustable version of these optical designs; they are the typical high quality machine vision lenses. Also available with a VIS-NIR Broadband Anti-Reflection (BBAR) Coating.
  • Ci Series: Simplified mechanics featuring fixed apertures with compact housing. Industrial Ruggedization for reduced size, cost, and locked focus.
  • Cr Series: All optics glued in place and a locking C-clamp focus ring. Stabilized Ruggedization for reduced pixel shift and improved focus stability.
  • Cx Series: Modular, flexible mechanics allows lenses to be taken apart for easy integration of accessories such as liquid lenses, apertures, and more.
  • Liquid Lens Cx Series: Designed with an integrated liquid lens for quick autofocus.
  • Cw Series: Waterproof, designed to meet IEC Ingress Protection Code IPX7 and IPX9K.