LS-FFL-0940 dimensions (mm)
  • LS-FFL-0940 dimensions (mm)
  • 2/3", C-mount machine vision lens, 0.5x, WD 390 mm, length 227.8 mm (LS-FFL-0940)
Model drawing, series photo

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

2/3", C-mount machine vision lens, 0.5x, WD 390 mm, length 227.8 mm (LS-FFL-0940)

Model LS-FFL-0940

  • Magnification0.5x
  • MountC-mount
  • Sensor2/3"
  • Working distance390 mm
  • Aperture13.7
$189.00

Ships in 2-3 weeks

0.31 kg shipping weight

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2/3", C-mount machine vision lens, 0.5x, WD 390 mm, length 227.8 mm (LS-FFL-0940)LS-FFL-0940

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LS-FFL-0940, the 2/3"-format, 390 mm-WD, 228 mm-long version, sits in the upper half of the 60 magnifications in its series, with 0.5x magnification: a smaller field than most of the series, for finer detail.

LS-FFL-0940: sensor format 2/3", image-side F/# 13.7, working distance 390 mm, magnification 0.5x.

2/3", C-mount Machine Vision Lens.

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  • 3-year warranty, minimumCovers defects in materials and workmanship
  • Expert machine-vision support includedFrom our engineering team, incl. a licensed P.E.
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Specifications

General

ModelLS-FFL-0940

Optics

Magnification (x)0.5
Working distance (mm)390
Image-side F/#13.7
Object-side telecentricity (deg max)Non-telecentric
Image-side distortion (% max)<0.1
Numerical aperture NA0.0183
Object-side resolution (um)18.3
Theoretical depth of field (mm)4.4
Image-side MTF30 (lp/mm)60
Total length TTL (mm)227.8
Front filter threadM30x0.5

Sensor and imaging

Sensor format2/3"
Max sensor size (dia. mm)11

Mechanical

Outer diameter O.D (mm)dia. 34
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-0940

Image circleØ 11 mmCovers sensors up to 2/3"
Magnification0.5×
Distortion< 0.1 %
Field of view at 390 mm17.6 × 13.2 mmCalculated: 2/3" sensor ÷ 0.5× magnification
Total length227.8 mm
SizeØ 34 mm
NA0.0183
Depth of field4.4 mmtheoretical
Filter threadM30 × 0.5
MTF60 lp/mmimage side, at 30 % contrast
Field of view (width × height) by sensor format
Sensor format0.5×
1/2.5"5.76 × 4.29 mm11.5 × 8.6 mm
1/2"6.4 × 4.8 mm12.8 × 9.6 mm
1/1.8"7.18 × 5.32 mm14.4 × 10.6 mm
2/3"8.8 × 6.6 mm17.6 × 13.2 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

Complete the setup

This part with the first fit-tested pick from each group below. Swap any of them for another card further down.

Set total $789.00

Cameras this lens fits

Its 10.9 mm sensor diagonal uses 99 % of this lens's 11 mm image circle

Its 11 mm sensor diagonal uses 100 % of this lens's 11 mm image circle

Its 11 mm sensor diagonal uses 100 % of this lens's 11 mm image circle

Its 11 mm sensor diagonal uses 100 % of this lens's 11 mm image circle

Its 10.9 mm sensor diagonal uses 99 % of this lens's 11 mm image circle

Its 9.2 mm sensor diagonal uses 84 % of this lens's 11 mm image circle

Adapters

For CS-mount cameras

Before you buy

Questions about the LS-FFL-0940

Answered from this model's printed specifications and our fit tests. Calculated figures say “about”.

Which cameras does the LS-FFL-0940 cover?

Its image circle (about 11 mm) covers these fit-tested cameras: LS-CMR-0025 (2/3", 2.3 MP), LS-CMR-0150 (2/3", 5 MP), LS-CMR-0158 (2/3", 8.1 MP) and LS-CMR-0093 (2/3").

What field of view does the LS-FFL-0940 give?

About 17.6 x 13.2 mm on a 2/3" sensor, at its 390 mm working distance (calculated: sensor size / 0.5x magnification).

Does the LS-FFL-0940 need an adapter for C-mount or CS-mount cameras?

No for a C-mount camera: it is a C-mount lens. Yes for a CS-mount camera: fit a 5 mm C-CS adapter ring such as LS-LXR-0266.

What sensor size is the LS-FFL-0940 made for?

The sensor format is 2/3". The maximum sensor size is 11 mm.

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

See all 288 models in the series

How this model compares

  • Same 0.5x magnification as LS-FFL-0938 (385 mm WD) and LS-FFL-0741 (375 mm WD); this one: 390 mm WD.
  • Compared with LS-FFL-0935: outer diameter 34 mm here, 28 mm there; total length 227.8 mm here, 188.8 mm there.
  • Image circle 11 mm: only 76 of the 288 lenses in the series are larger.
ModelNumerical aperture NAMagnificationSensorWorking distancePriceAvailabilityLink
LS-FFL-07290.008320.2x1"750 mm$309.00 Ships in 2-3 weeks View
LS-FFL-09820.0090.18x2/3"750 mm$189.00 Ships in 2-3 weeks View
LS-FFL-09390.013280.5x2/3"390 mm$189.00 Ships in 2-3 weeks View
LS-FFL-09950.015020.33x2/3"490 mm$189.00 Ships in 2-3 weeks View
LS-FFL-09430.017960.5x1"515 mm$309.00 Ships in 2-3 weeks View
LS-FFL-09350.018180.5x2/3"300 mm$189.00 Ships in 2-3 weeks View
LS-FFL-0940This model0.01830.5x2/3"390 mm$189.00 Ships in 2-3 weeks
LS-FFL-09370.025480.5x2/3"330 mm$189.00 Ships in 2-3 weeks View
LS-FFL-07250.028091x1"270 mm$309.00 Ships in 2-3 weeks View