LS-FFL-0856 dimensions (mm)
  • LS-FFL-0856 dimensions (mm)
  • 1/2.5", C-mount machine vision lens, 0.4x, WD 190 mm (LS-FFL-0856)
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

1/2.5", C-mount machine vision lens, 0.4x, WD 190 mm (LS-FFL-0856)

Model LS-FFL-0856

  • Magnification0.4x
  • MountC-mount
  • Sensor1/2.5"
  • Working distance190 mm
  • Aperture8.5
$189.00

Ships in 2-3 weeks

0.31 kg shipping weight

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1/2.5", C-mount machine vision lens, 0.4x, WD 190 mm (LS-FFL-0856)LS-FFL-0856

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In the upper half of the 60 magnifications of this lens series, LS-FFL-0856, the 1/2.5"-format, 190 mm-WD version, has 0.4x magnification: a smaller field than most of the series, for finer detail.

LS-FFL-0856: sensor format 1/2.5", image-side F/# 8.5, working distance 190 mm, magnification 0.4x.

1/2.5", 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-0856

Optics

Magnification (x)0.4
Working distance (mm)190
Image-side F/#8.5
Object-side telecentricity (deg max)Non-telecentric
Image-side distortion (% max)0.1
Numerical aperture NA0.02354
Object-side resolution (um)14.3
Theoretical depth of field (mm)4.2
Image-side MTF30 (lp/mm)117
Total length TTL (mm)143.2
Front filter threadM25x0.5
Measured depth of field as shipped (mm)1.8

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-0856

Image circleØ 7.2 mmCovers sensors up to 1/2.5"
Magnification0.4×
Distortion≤ 0.1 %
Field of view at 190 mm14.4 × 10.7 mmCalculated: 1/2.5" sensor ÷ 0.4× magnification
Total length143.2 mm
SizeØ 28 mm
NA0.02354
Depth of field4.2 mmtheoretical
Filter threadM25 × 0.5
MTF117 lp/mmimage side, at 30 % contrast
Field of view (width × height) by sensor format
Sensor format0.4×
1/3"4.8 × 3.6 mm12 × 9 mm
1/2.9"4.98 × 3.74 mm12.5 × 9.3 mm
1/2.5"5.76 × 4.29 mm14.4 × 10.7 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 $338.00

Cameras this lens fits

Its 7.1 mm sensor diagonal uses 99 % of this lens's 7.2 mm image circle

Its 7.2 mm sensor diagonal uses 100 % of this lens's 7.2 mm image circle

Its 7.2 mm sensor diagonal uses 100 % of this lens's 7.2 mm image circle

Its 6.6 mm sensor diagonal uses 92 % of this lens's 7.2 mm image circle

Its 7.1 mm sensor diagonal uses 99 % of this lens's 7.2 mm image circle

Its 7.1 mm sensor diagonal uses 99 % of this lens's 7.2 mm image circle

Adapters

For CS-mount cameras

Before you buy

Questions about the LS-FFL-0856

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

Which cameras does the LS-FFL-0856 cover?

Its image circle (about 7.2 mm) covers these fit-tested cameras: LS-CMR-0258 (1/2.5", 5 MP), LS-CMR-0026 (1/2.2", 2.3 MP), LS-CMR-0424 (1/2.5", 0.4 MP) and LS-BCM-0047 (1/2.7", 1.3 MP).

What field of view does the LS-FFL-0856 give?

About 14.4 x 10.7 mm on a 1/2.5" sensor, at its 190 mm working distance (calculated: sensor size / 0.4x magnification).

Does the LS-FFL-0856 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-0856 made for?

The sensor format is 1/2.5". The maximum sensor size is 7.2 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 0.4x magnification as LS-FFL-0924 (150 mm WD) and LS-FFL-0925 (230 mm WD); this one: 190 mm WD.
  • Compared with LS-FFL-0860: magnification 0.4x here, 0.5x there; total length 143.2 mm here, 101.7 mm there.
ModelNumerical aperture NAMagnificationSensorWorking distancePriceAvailabilityLink
LS-FFL-08550.015030.4x1/2.5"113 mm$189.00 Ships in 2-3 weeks View
LS-FFL-09530.019250.7x2/3"100 mm$189.00 Ships in 2-3 weeks View
LS-FFL-08600.022270.5x1/2.5"200 mm$189.00 Ships in 2-3 weeks View
LS-FFL-09270.02340.4x2/3"300 mm$189.00 Ships in 2-3 weeks View
LS-FFL-0856This model0.023540.4x1/2.5"190 mm$189.00 Ships in 2-3 weeks
LS-FFL-09240.023540.4x2/3"150 mm$189.00 Ships in 2-3 weeks View
LS-FFL-07740.027790.5x1/2.5"225 mm$189.00 Ships in 2-3 weeks View
LS-FFL-08570.028570.4x1/2.5"300 mm$189.00 Ships in 2-3 weeks View
LS-FFL-08950.032441x2/3"150 mm$189.00 Ships in 2-3 weeks View