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Machine vision lenses

FA lens, 25 mm, 1", C-mount (LS-FFL-1549)

Model LS-FFL-1549

  • Focal length25 mm
  • MountC-mount
  • Sensor1"
  • Aperture1.4~16
  • Resolution5 MP
  • Field of view28.7°
$319.00

Ships in 2-3 weeks

0.38 kg shipping weight

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FA lens, 25 mm, 1", C-mount (LS-FFL-1549)LS-FFL-1549

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LS-FFL-1549: focal length 25 mm, sensor format 1", aperture F1.4-16, object dimension at M.O.D H (1") 47.28 mm.

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".

Tracked shipping 3-year warranty Engineer support Net 30 for approved accounts Secure checkout Shipping, warranty, support and payment details
  • 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
  • Secure checkout by ShopifyCard, PayPal, Shop Pay or Google Pay

90-day returns Unused items, counted from delivery; free US return label; no restocking fee Return policy

Specifications

General

ModelLS-FFL-1549
Angle H (1")28.7°
Angle H (2/3")20.34°
Angle H (1/2")15.34°
Angle V (1")22.06°
Angle V (2/3")15.78°
Angle V (1/2")11.84°
Angle D (1")34.94°
Angle D (2/3")24.9°
Angle D (1/2")18.6°
Flange back17.526mm in air
Front/Rear Effective DiaFront dia. 19.8mm Rear dia. 13.75mm

Optics

Object Dimension at M.O.D H (1")47.28 mm
Object Dimension at M.O.D H (2/3")32.5 mm
Object Dimension at M.O.D H (1/2")23.64 mm
Object Dimension at M.O.D V (1")35.46 mm
Object Dimension at M.O.D V (2/3")24.38 mm
Object Dimension at M.O.D V (1/2")17.72 mm
Object Dimension at M.O.D D (1")59 mm
Object Dimension at M.O.D D (2/3")40.64 mm
Object Dimension at M.O.D D (1/2")29.56 mm
Distortion(TV) (1")0.1%
Distortion(TV) (2/3")0.1%
Distortion(TV) (1/2")0.1%
Focus distance(min)0.1M
Back focus12.97
Filter screw sizeM40.5xP0.5
Aperture1.4~16
Focal length25 mm
Field of view H28.7°
Field of view V22.06°
Field of view D34.94°
Distortion<0.2%

Sensor and imaging

Sensor format1"
Resolution5 MP

Environment and compliance

Temperature range-10 to 50 °C
Storage temperature range-20 to 60 °C

Mechanical

MountC-Mount
Max Diameter(RATIO)F=1:1.4~16
Picture size1" / 2/3" / 1/2"
Shipping weight0.38 kg

Engineering data

Field of view with the LS-FFL-1549

Focal length25 mm
Image circleØ 16 mmCovers sensors up to 1"
Angle of view29.6° × 20°Calculated for a 1" sensor; 35.2° diagonal
Closest focus47.28 mm
Distortion0.1 %
Back focal length12.97 mm
Flange distance17.526 mmin air
Filter threadM40.5 × 0.5
Field of view (width × height) of the 25 mm lens by sensor format and working distance
Sensor formatAt 100 mmAt 200 mmAt 500 mmAt 1000 mm
1/1.8"7.07 × 5.3 mm28.3 × 21.2 mm56.6 × 42.4 mm141 × 106 mm283 × 212 mm
2/3"8.8 × 6.6 mm35.2 × 26.4 mm70.4 × 52.8 mm176 × 132 mm352 × 264 mm
1/1.2"11.25 × 7.03 mm45 × 28.1 mm90 × 56.2 mm225 × 141 mm450 × 281 mm
1"13.2 × 8.8 mm52.8 × 35.2 mm106 × 70.4 mm264 × 176 mm528 × 352 mm

Thin-lens approximation: field of view ≈ sensor size × working distance ÷ focal length, with the distance measured to the front of the lens; closest to reality when the distance is many times the focal length. 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 $3,018.00

Cameras this lens fits

Its 15.9 mm sensor diagonal uses 99 % of this lens's 16 mm image circle

Its 15.9 mm sensor diagonal uses 99 % of this lens's 16 mm image circle

Its 16 mm sensor diagonal uses 100 % of this lens's 16 mm image circle

Its 13.3 mm sensor diagonal uses 83 % of this lens's 16 mm image circle

Its 10.9 mm sensor diagonal uses 68 % of this lens's 16 mm image circle

Its 9.2 mm sensor diagonal uses 57 % of this lens's 16 mm image circle

Adapters

For CS-mount cameras

Filters for this lens's filter thread

M40.5 x 0.5 filter thread, the same as this part's

Before you buy

Questions about the LS-FFL-1549

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

Which cameras does the LS-FFL-1549 cover?

Its image circle (about 16 mm) covers these fit-tested cameras: LS-CMR-0311 (1", 4.2 MP), LS-CMR-0255 (1", 5.3 MP), LS-BCM-0057 (1") and LS-CMR-0434 (1/1.2", 2.3 MP).

What field of view does the LS-FFL-1549 give at 200 mm?

About 106 x 70.4 mm on a 1" sensor, about 528 x 352 mm at 1000 mm (calculated: sensor size x distance / 25 mm focal length).

Does the LS-FFL-1549 need an adapter for C-mount or CS-mount cameras?

Not on a C-mount camera: it is a C-mount lens. On a CS-mount camera, fit a 5 mm C-CS adapter ring such as LS-LXR-0266.

What sensor size is the LS-FFL-1549 made for?

Printed: Sensor format: 1".

Other models in the FA lens, C-mount (LS-FFL-S151) series

See all 41 models

How this model compares

  • Same 25 mm focal length as LS-FFL-1579 (2/3" format) and LS-FFL-1572 (1/1.8" format); this one: 1" format.
  • Focal length 25 mm; next down 16 mm (LS-FFL-1548), up 35 mm (LS-FFL-1550), of 10 focal lengths from 4 to 75 mm.
  • Compared with LS-FFL-1551: vertical angle of view (1") 22.06° here, 10.4° there; diagonal angle of view (1") 34.94° here, 17.14° there.
ModelField of view HFocal lengthSensorAperturePriceAvailabilityLink
LS-FFL-158013.9°35 mm2/3"1:1.4~16$219.00 Ships in 2-3 weeks View
LS-FFL-156416.84°25 mm1/1.7"1:2.4-16$339.00 Ships in 2-3 weeks View
LS-FFL-155019.28°35 mm1"1.4~16$339.00 Ships in 2-3 weeks View
LS-FFL-157920°25 mm2/3"1:1.4~16$199.00 Ships in 2-3 weeks View
LS-FFL-158520°25 mm2/3"1:2.8~16$339.00 Ships in 2-3 weeks View
LS-FFL-1549This model28.7°25 mm1"1.4~16$319.00 Ships in 2-3 weeks
LS-FFL-157830.3°16 mm2/3"1:1.4~16$209.00 Ships in 2-3 weeks View
LS-FFL-157739°12 mm2/3"1:1.4~16$179.00 Ships in 2-3 weeks View
LS-FFL-158339.8°12 mm2/3"1:2.8~16$309.00 Ships in 2-3 weeks View