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Machine vision lenses

FA lens series (VFA1), 50 mm, 1.1", C-Mount (LS-VFA1-111-20M50)

Model LS-VFA1-111-20M50

FA lens series: compact design, adjustable aperture, ultra-high resolution and minimized distortion; supports 1/1.8", 1/1.7", 2/3", 1" sensors, max sensor 1.1".

$239.00 USDIn stock · 4 available

Inventory updated Oct 15, 2026

0.38 kg shipping weight · Ships in 2-3 weeks

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Build a system with this lens → Matching lens, light, controller and cables, checked for fit

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Features

  • Compact design
  • Adjustable aperture
  • Ultra-high resolution
  • High performance with minimized distortion
  • Support 1/1.8", 1/1.7", 2/3", 1" sensor, max sensor 1.1"
  • High resolution, high contrast and low distortion
  • Perfect substitute for FA lens from Japan like Tamron, Fujinon, CBC, VST, Mytron, RICOH etc.

Specifications

ModelLS-VFA1-111-20M50
MountC-Mount
Temperature range10~+50℃
Storage temperature range20~+60℃
Focal Lengthf=50mm
Max Diameter(RATIO)F=1:2.8~22
Picture size1.1" / 1" / 2/3"
Angle H (1.1")15.9°
Angle H (1")14.6°
Angle H (2/3")10.1°
Angle V (1.1")11.9°
Angle V (1")10.9°
Angle V (2/3")7.5°
Angle D (1.1")19.9°
Angle D (1")18.2°
Angle D (2/3")12.6°
Object Dimension at M.O.D H (1.1")79mm
Object Dimension at M.O.D H (1")71.6mm
Object Dimension at M.O.D H (2/3")49.3mm
Object Dimension at M.O.D V (1.1")59.3mm
Object Dimension at M.O.D V (1")53.8mm
Object Dimension at M.O.D V (2/3")37mm
Object Dimension at M.O.D D (1.1")98.9mm
Object Dimension at M.O.D D (1")89.7mm
Object Dimension at M.O.D D (2/3")61.6mm
Distortion(TV) (1.1")0.04%
Distortion(TV) (1")0.04%
Distortion(TV) (2/3")0.02%
Focus distance(min)0.3M
Flange back17.526mm in air
Back focus21.1mm in air
Filter screw sizeM35.5xP0.5
Front/Rear Effective Diadia. 24mm/dia. 21.7mm
Mount (product parameters)C-Mount
Detector1.1"
Sensor format1.1"
Shipping weight0.38 kg
Complete the station

The configurator matches a camera, lens, light, light controller and cables to each other, and to this part.

Configure a system Selection guide

Other sizes in the FA lens series (VFA1) series

ModelSizePriceAvailability
LS-VFA1-118-5M7575 mm, 1/1.8", C-Mount $189.00 4 in stockView
LS-VFA1-117-12M066 mm, 1/1.7", C-Mount $189.00 2 in stockView
LS-VFA1-117-12M088 mm, 1/1.7", C-Mount $189.00 5 in stockView
LS-VFA1-230-10M088 mm, 2/3", C-Mount $189.00 5 in stockView
LS-VFA1-110-5M12.512.5 mm, 1", C-Mount $189.00 3 in stockView
LS-VFA1-110-5M1616 mm, 1", C-Mount $189.00 2 in stockView
LS-VFA1-111-20M1212 mm, 1.1", C-Mount $189.00 4 in stockView
LS-VFA1-111-20M1616 mm, 1.1", C-Mount $189.00 3 in stockView
LS-VFA1-117-12M1212 mm, 1/1.7", C-Mount $199.00 3 in stockView
LS-VFA1-117-12M1616 mm, 1/1.7", C-Mount $199.00 3 in stockView
LS-VFA1-230-10M1212 mm, 2/3", C-Mount $199.00 4 in stockView
LS-VFA1-230-10M1616 mm, 2/3", C-Mount $199.00 4 in stockView
LS-VFA1-110-5M2525 mm, 1", C-Mount $199.00 5 in stockView
LS-VFA1-111-20M2525 mm, 1.1", C-Mount $199.00 3 in stockView
LS-VFA1-117-12M2525 mm, 1/1.7", C-Mount $209.00 5 in stockView
LS-VFA1-230-10M2525 mm, 2/3", C-Mount $209.00 4 in stockView
LS-VFA1-110-5M3535 mm, 1", C-Mount $219.00 4 in stockView
LS-VFA1-111-20M3535 mm, 1.1", C-Mount $219.00 3 in stockView
LS-VFA1-117-12M3535 mm, 1/1.7", C-Mount $229.00 5 in stockView
LS-VFA1-230-10M3535 mm, 2/3", C-Mount $229.00 4 in stockView
LS-VFA1-110-5M5050 mm, 1", C-Mount $239.00 3 in stockView
LS-VFA1-117-12M5050 mm, 1/1.7", C-Mount $249.00 5 in stockView
LS-VFA1-230-10M5050 mm, 2/3", C-Mount $249.00 4 in stockView
LS-VFA1-110-5M7575 mm, 1", C-Mount $269.00 2 in stockView

See all 41 models in the FA lens series (VFA1) series