Representative photo of this series

Ring lights

Ring light (LS-RN4090)

Model LS-RN4090

ColourRed, Green, Blue, White
SizeOut dia. 40,Inner dia. 18,Height 20mm
Voltage24 V DC
Power0.8W/1.1W
Angle90°

$79.00

In stock - ships the same business day (5 available, order by 2 PM ET)

0.25 kg shipping weight

Color Red Green Blue White

Volume pricing, Net 30 or a formal quote?

Ring light with a high-density LED array in a compact, easy-to-install design. Various illumination angles are offered (0°, 15°, 30°, 45°, 60°, 90° and special angles) and angles can be customized; a diffuser plate is optional.

Same-day shipping on stock itemsTracked UPS or DHL
3-year warranty, minimumCovers defects in materials and workmanship
Expert machine-vision support includedFrom our licensed P.E. engineers
Volume discounts and Net 30For approved business accounts; purchase orders welcome
90-day returnsUnused items; free return label in the US
Secure checkout by ShopifyCard, PayPal, Shop Pay or Google Pay

Specifications

General

Model	LS-RN4090
Options	Diffuser plate, polarized plate, lens shackle
Angle definition	Angle between light ray and horizontal plane (catalog: 'water level')
Range by angle (overview)	0°: dia. 50-300, WD 5-20 mm, FOV 1-200 mm; 30°: dia. 50-350, WD 10-100 mm, FOV 1-200 mm; 45°: dia. 50-200, WD 20-150 mm, FOV 1-250 mm; 60°: dia. 28-250, WD 30-300 mm, FOV 1-250 mm; 90°: dia. 28-200, WD 50-500 mm, FOV 1-300 mm; special angle (LS-RN series): dia. 32-180, WD 5-500 mm, FOV 1-300 mm
UV / IR	UV & IR light can be customized as required
Note	UV & IR light can be customized as required.
Angle (between light ray and horizontal plane)	90°
Angle	90°

Interfaces and I/O

Extension cable options	PVC extension cable (flexible, bend and heat resistant, for use inside equipment); high-flexibility extension cable (harder and more abrasion resistant than PVC, for drag-chain production lines)
Cable (mm)	500
Cable polarity	1: +, 2: NC, 3: -

Light

Peak wavelength / colour temperature	Red 620-630 nm, Green 525-530 nm, Blue 465-470 nm, White 6600 K (colour temperature)
Colour temperature of white	6600 K
LED colour	R(red)/W(white)

Environment and compliance

Operating environment	Temperature 0-50 °C, humidity 20-85% (non-condensing)
Lifespan	50000 h (to 50% of factory-default luminance)

Electrical

Voltage	24 V DC
Adapted controller	Strobe controller; analog controller; digital controller
Voltage (V)	24
Power R (W)	0.7
Power G/B/W (W)	1.0
Power	0.8W/1.1W
Input voltage	DC 24V (max)

Mechanical

Weight (g)	50
Outer diameter (mm)	40
Inner diameter (mm)	18
Height (mm)	22
Mounting holes	4-M3 depth 4 (evenly spaced) on dia. 28
Dimension	Out dia. 40,Inner dia. 18,Height 20mm

Downloads

Datasheet (PDF)LS-RN4090 · 3.6 MB

Features

Various angles optional, angle can be customized
Easy to install, compact design
High-density LED array, high luminance
Diffuser plate optional, adapts to different applications
Wire jacket covers the cable exit against pulling
Options: flat diffuser plate (reduces lamp shadow and glare on reflective workpieces), cup diffuser plate (matches the light angle for a more uniform, steady emitting area), polarized plate (used with a polarized lens to remove glare from uneven surfaces), lens shackle (fastens the light to the lens thread where space is small)
Customizable: outer & inner diameter, colour & colour temperature, cable length, installation method, emitting angle, shape, combined, multi-area control
Various angle optional, angle can be customized
Diffuser plate optional, adapt to the different applications

Applications

IC chip appearance and character inspection
PCB inspection
Tag inspection
Microscope illumination
Screw shape inspection (low angle / high angle)
The inspection of IC chip appearance and character

Complete the station

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

Build a system with this part Configure a system Ask an engineer

Other models in the Ring light (RN) series

See all 87 models

Model	Size / key data	Price	Availability	Link
LS-RN2860	Red, Green, Blue, White · Out dia. 28,Inner dia. 10,Height 15mm	$59.00	11 in stock	View
LS-RN2890	Red, Green, Blue, White · Out dia. 28,Inner dia. 10,Height 18mm	$59.00	16 in stock	View
LS-RN3590	Red, Green, Blue, White · Out dia. 35,Inner dia. 14,Height 18mm	$69.00	18 in stock	View
LS-RN3275	Red, Green, Blue, White · Out dia. 32,Inner dia. 10,Height 16mm	$69.00	11 in stock	View
LS-RN3875	Red, Green, Blue, White · Out dia. 38,Inner dia. 15,Height 16mm	$79.00	15 in stock	View
LS-RN4265	Red, Green, Blue, White · Out dia. 42,Inner dia. 18,Height 18mm	$79.00	11 in stock	View
LS-RN5000	Red, Green, Blue, White · 24 V DC	$89.00	17 in stock	View
LS-RN5030	Red, Green, Blue, White · 24 V DC	$89.00	12 in stock	View
LS-RN5045	Red, Green, Blue, White · 24 V DC	$89.00	14 in stock	View
LS-RN5060	Red, Green, Blue, White · 24 V DC	$89.00	14 in stock	View
LS-RN5090	Red, Green, Blue, White · 24 V DC	$89.00	13 in stock	View
LS-RN4550	Red, Green, Blue, White · Out dia. 45,Inner dia. 25,Height 12mm	$89.00	16 in stock	View
LS-RN5075	Red, Green, Blue, White · Out dia. 50,Inner dia. 28,Height 16mm	$89.00	12 in stock	View
LS-RN5590	Red, Green, Blue, White · 24 V DC	$99.00	10 in stock	View
LS-RN5570	Red, Green, Blue, White · Out dia. 55,Inner dia. 21,Height 18mm	$99.00	12 in stock	View
LS-RN6000	Red, Green, Blue, White · Out dia. 60,Inner dia. 30,Height 11mm	$109.00	12 in stock	View
LS-RN6030	Red, Green, Blue, White · 24 V DC	$109.00	15 in stock	View
LS-RN6060	Red, Green, Blue, White · 24 V DC	$109.00	14 in stock	View
LS-RN7030	Red, Green, Blue, White · 24 V DC	$119.00	11 in stock	View
LS-RN7045	Red, Green, Blue, White · 24 V DC	$119.00	16 in stock	View
LS-RN6660	Red, Green, Blue, White · 24 V DC	$119.00	13 in stock	View
LS-RN6760	Red, Green, Blue, White · 24 V DC	$119.00	13 in stock	View
LS-RN7060	Red, Green, Blue, White · 24 V DC	$119.00	9 in stock	View
LS-RN7090	Red, Green, Blue, White · 24 V DC	$119.00	14 in stock	View