Main picture: this model's dimensioned drawing, from its printed dimensions. The photo shows representative lenses of this series, not this exact model; size and shape differ by model.

Machine vision lenses

1/2.5", C-mount machine vision lens, 0.2x, WD 140 mm (LS-FFL-0851)

Model LS-FFL-0851

  • Magnification0.2x
  • MountC-mount
  • Sensor1/2.5"
  • Working distance140 mm
  • Aperture8.8
  • Smallest total length TTL of the 286 models that list it (288 in its series): 25.3 mm (shared with 1 other model) (series: 25.3 mm to 535.7 mm)
$189.00

Ships in 2-3 weeks

0.31 kg shipping weight

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1/2.5", C-mount machine vision lens, 0.2x, WD 140 mm (LS-FFL-0851)LS-FFL-0851

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LS-FFL-0851: sensor format 1/2.5", image-side F/# 8.8, working distance 140 mm, magnification 0.2x.

1/2.5", C-mount Machine Vision Lens. At a glance: magnification 0.2x; working distance 140 mm; max sensor size 7.2 mm (1/2.5"); object-side resolution 29.2 µm; image-side f/# 8.8.

  • Tracked worldwide shippingTracked UPS or DHL
  • 3-year warranty, minimumCovers defects in materials and workmanship
  • Expert machine-vision support includedFrom our engineering team, incl. a licensed P.E.
  • Volume discounts and Net 30For approved business accounts; purchase orders welcome
  • 90-day returnsUnused items, counted from delivery; free US return label; no restocking fee
  • Secure checkout by ShopifyCard, PayPal, Shop Pay or Google Pay

Specifications

General

ModelLS-FFL-0851

Optics

Magnification (x)0.2
Working distance (mm)140
Image-side F/#8.8
Object-side telecentricity (deg max)Non-telecentric
Image-side distortion (% max)<0.1
Numerical aperture NA0.0115
Object-side resolution (um)29.2
Theoretical depth of field (mm)17.6
Total length TTL (mm)25.3
Front filter threadM25x0.5

Sensor and imaging

Sensor format1/2.5"
Max sensor size (dia. mm)7.2

Mechanical

Outer diameter O.D (mm)dia. 28
MountC
Shipping weight (estimated)0.31 kg

Photo shows a representative model of this series; see the specifications for this model.

Engineering data

Field of view with the LS-FFL-0851

Worked out from this lens's own magnification and image circle: the field it sees on each sensor format.

Image circleØ 7.2 mmCovers sensors up to 1/2.5"
Magnification0.2×
Distortion< 0.1 %
Total length25.3 mm
SizeØ 28 mm
NA0.0115
Depth of field17.6 mmtheoretical
Filter threadM25 × 0.5
Field of view (width × height) by sensor format
Sensor format0.2×
1/3"4.8 × 3.6 mm24 × 18 mm
1/2.9"4.98 × 3.74 mm24.9 × 18.7 mm
1/2.5"5.76 × 4.29 mm28.8 × 21.4 mm

Field of view = sensor size ÷ magnification. Sensor sizes are typical for each optical format.

Compatible parts

Fits with this part

Checked with the configurator's fit rules: lens mount, image circle, resolution and spectral band, and the camera's printed connector for cables.

Build the full system with this part

Cameras this lens fits

7.1 mm sensor diagonal; this lens covers up to 7.2 mm

6.6 mm sensor diagonal; this lens covers up to 7.2 mm

6.7 mm sensor diagonal; this lens covers up to 7.2 mm

6.4 mm sensor diagonal; this lens covers up to 7.2 mm

7.1 mm sensor diagonal; this lens covers up to 7.2 mm

7.1 mm sensor diagonal; this lens covers up to 7.2 mm

Adapters

For CS-mount cameras

Other models in the Long working distance standard machine vision lens (LS-FFL-S96) series

See all 288 models
  • Smallest total length TTL of the 286 models that list it (288 in its series): 25.3 mm (shared with 1 other model) (series: 25.3 mm to 535.7 mm)
ModelMagnificationWorking distanceAperturePriceAvailabilityLink
LS-FFL-0851This model0.2x140 mm8.8$189.00 Ships in 2-3 weeks
LS-FFL-08670.14x460 mm7$189.00 Ships in 2-3 weeks View
LS-FFL-08680.15x200 mm8.5$189.00 Ships in 2-3 weeks View
LS-FFL-08690.15x260 mm16$189.00 Ships in 2-3 weeks View
LS-FFL-08700.18x130 mm9$189.00 Ships in 2-3 weeks View
LS-FFL-08710.18x156 mm9$189.00 Ships in 2-3 weeks View
LS-FFL-08720.18x160 mm9$189.00 Ships in 2-3 weeks View
LS-FFL-08730.19x345 mm8.3$189.00 Ships in 2-3 weeks View
LS-FFL-08740.19x435 mm8.2$189.00 Ships in 2-3 weeks View
LS-FFL-08750.22x280 mm13.3$189.00 Ships in 2-3 weeks View
LS-FFL-08760.22x820 mm10.6$189.00 Ships in 2-3 weeks View
LS-FFL-08770.26x110 mm8.1$189.00 Ships in 2-3 weeks View
LS-FFL-08500.2x113 mm10$189.00 Ships in 2-3 weeks View
LS-FFL-08520.2x150 mm10$189.00 Ships in 2-3 weeks View
LS-FFL-08780.35x330 mm10$189.00 Ships in 2-3 weeks View
LS-FFL-08810.375x80 mm8$189.00 Ships in 2-3 weeks View
LS-FFL-08530.3x560 mm10.8$189.00 Ships in 2-3 weeks View
LS-FFL-08540.3x650 mm21.2$189.00 Ships in 2-3 weeks View
LS-FFL-08550.4x113 mm13.4$189.00 Ships in 2-3 weeks View
LS-FFL-08560.4x190 mm8.5$189.00 Ships in 2-3 weeks View
LS-FFL-08570.4x300 mm7$189.00 Ships in 2-3 weeks View
LS-FFL-08580.4x900 mm16.3$189.00 Ships in 2-3 weeks View
LS-FFL-08590.5x170 mm9.3$189.00 Ships in 2-3 weeks View
LS-FFL-08600.5x200 mm11.2$189.00 Ships in 2-3 weeks View
LS-FFL-08610.5x820 mm22.2$189.00 Ships in 2-3 weeks View