Product series:
RL4 LED ring light
RL4 LED ring light
- Homogeneous illumination for the entire working area
- Perfect reflected light illumination for microscopes
- Flicker-free light thanks to optimized, low-loss electronics
- Brightness adjustable from 0 - 100%
- Available in different light colours and colour temperatures
- Variable clamping diameter, adjustable with reducing ring
- Robust aluminium housing in a modern design
Technical data
- Working distance 50 mm - 150 mm
- Optimum working distance approx. 80 mm
- Number of LEDs 48
- 0 - 100% adjustable brightness control with memory function
- Power consumption approx. 7 W
- Input power supply 100-240V AC, 240/60Hz
- Output power supply 24 V DC, 1 A
- Height 25.5 mm
- External diameter 99 mm
- Internal diameter 66 mm or 74 mm depending on model
- Inner thread M67× 0.75
- Service cable length 0.85 m
- Power supply cable length 1.40 m
- Material anodized aluminium
- Colour black
- Weight approx. 230 g
- Control dimension (L × B × H) 78 mm × 38 mm × 21 mm
![StarLight Opto-Electronics RL4-74 UV375, UV (375 nm), Ø 74mm](/Produktbilder/normal/59354_1/StarLight-Opto-Electronics-RL4-74-UV375-UV-375-nm-O-74mm.jpg)
StarLight Opto-Electronics
RL4-74 UV375, UV (375 nm), Ø 74mm
$ 920.00
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-74 R, rot (620 nm), Ø 74mm](/Produktbilder/normal/59354_1/StarLight-Opto-Electronics-RL4-74-R-rot-620-nm-O-74mm.jpg)
StarLight Opto-Electronics
RL4-74 R, rot (620 nm), Ø 74mm
$ 510.00
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-74 UV405, UV (405 nm), Ø 74mm](/Produktbilder/normal/59354_1/StarLight-Opto-Electronics-RL4-74-UV405-UV-405-nm-O-74mm.jpg)
StarLight Opto-Electronics
RL4-74 UV405, UV (405 nm), Ø 74mm
$ 530.00
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-74 UV365, UV (365 nm), Ø 74mm](/Produktbilder/normal/59354_1/StarLight-Opto-Electronics-RL4-74-UV365-UV-365-nm-O-74mm.jpg)
StarLight Opto-Electronics
RL4-74 UV365, UV (365 nm), Ø 74mm
$ 1,190.00
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-66 UV365, UV (365 nm), Ø 66mm](/Produktbilder/normal/59342_1/StarLight-Opto-Electronics-RL4-66-UV365-UV-365-nm-O-66mm.jpg)
StarLight Opto-Electronics
RL4-66 UV365, UV (365 nm), Ø 66mm
$ 1,190.00
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-66 UV405, UV (405 nm), Ø 66mm](/Produktbilder/normal/59342_1/StarLight-Opto-Electronics-RL4-66-UV405-UV-405-nm-O-66mm.jpg)
StarLight Opto-Electronics
RL4-66 UV405, UV (405 nm), Ø 66mm
$ 530.00
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-74 IR880, IR (880 nm), Ø 74mm](/Produktbilder/normal/59354_1/StarLight-Opto-Electronics-RL4-74-IR880-IR-880-nm-O-74mm.jpg)
StarLight Opto-Electronics
RL4-74 IR880, IR (880 nm), Ø 74mm
$ 550.00
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-66 UV375, UV (375 nm), Ø 66mm](/Produktbilder/normal/59342_1/StarLight-Opto-Electronics-RL4-66-UV375-UV-375-nm-O-66mm.jpg)
StarLight Opto-Electronics
RL4-66 UV375, UV (375 nm), Ø 66mm
$ 920.00
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-74 WW, warm-weiß (3.500 K), Ø 74mm](/Produktbilder/normal/59354_1/StarLight-Opto-Electronics-RL4-74-WW-warm-weiss-3-500-K-O-74mm.jpg)
StarLight Opto-Electronics
RL4-74 WW, warm-weiß (3.500 K), Ø 74mm
$ 458.00
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-66/RL12-Serie, 66 mm > 60 mm, Ø 66mm](/Produktbilder/normal/59657_1/StarLight-Opto-Electronics-RL4-66-RL12-Serie-66-mm-%3E-60-mm-O-66mm.jpg)
StarLight Opto-Electronics
RL4-66/RL12-Serie, 66 mm > 60 mm, Ø 66mm
$ 36.90
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-66 NW, natur-weiß (5.600 K), Ø 66mm](/Produktbilder/normal/58832_1/StarLight-Opto-Electronics-RL4-66-NW-natur-weiss-5-600-K-O-66mm.jpg)
StarLight Opto-Electronics
RL4-66 NW, natur-weiß (5.600 K), Ø 66mm
$ 491.00
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-66 A, amber (590 nm), Ø 66mm](/Produktbilder/normal/58867_1/StarLight-Opto-Electronics-RL4-66-A-amber-590-nm-O-66mm.jpg)
StarLight Opto-Electronics
RL4-66 A, amber (590 nm), Ø 66mm
$ 550.00
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-66 B, blau (470 nm), Ø 66mm](/Produktbilder/normal/58865_1/StarLight-Opto-Electronics-RL4-66-B-blau-470-nm-O-66mm.jpg)
StarLight Opto-Electronics
RL4-66 B, blau (470 nm), Ø 66mm
$ 550.00
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-66 G, grün (540 nm), Ø 66mm](/Produktbilder/normal/58855_1/StarLight-Opto-Electronics-RL4-66-G-gruen-540-nm-O-66mm.jpg)
StarLight Opto-Electronics
RL4-66 G, grün (540 nm), Ø 66mm
$ 550.00
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-66 IR880, IR (880 nm), Ø 66mm](/Produktbilder/normal/58974_1/StarLight-Opto-Electronics-RL4-66-IR880-IR-880-nm-O-66mm.jpg)
StarLight Opto-Electronics
RL4-66 IR880, IR (880 nm), Ø 66mm
$ 590.00
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-66 PW, pur-weiß (6.500 K), Ø 66mm](/Produktbilder/normal/59342_1/StarLight-Opto-Electronics-RL4-66-PW-pur-weiss-6-500-K-O-66mm.jpg)
StarLight Opto-Electronics
RL4-66 PW, pur-weiß (6.500 K), Ø 66mm
$ 491.00
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-66 R, rot (620 nm), Ø 66mm](/Produktbilder/normal/59342_1/StarLight-Opto-Electronics-RL4-66-R-rot-620-nm-O-66mm.jpg)
StarLight Opto-Electronics
RL4-66 R, rot (620 nm), Ø 66mm
$ 550.00
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-74 PW, pur-weiß (6.500 K), Ø 74mm](/Produktbilder/normal/59354_1/StarLight-Opto-Electronics-RL4-74-PW-pur-weiss-6-500-K-O-74mm.jpg)
StarLight Opto-Electronics
RL4-74 PW, pur-weiß (6.500 K), Ø 74mm
$ 491.00
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-74 NW, natur-weiß (5.600 K), Ø 74mm](/Produktbilder/normal/59354_1/StarLight-Opto-Electronics-RL4-74-NW-natur-weiss-5-600-K-O-74mm.jpg)
StarLight Opto-Electronics
RL4-74 NW, natur-weiß (5.600 K), Ø 74mm
$ 491.00
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-74 G, grün (540 nm), Ø 74mm](/Produktbilder/normal/59354_1/StarLight-Opto-Electronics-RL4-74-G-gruen-540-nm-O-74mm.jpg)
StarLight Opto-Electronics
RL4-74 G, grün (540 nm), Ø 74mm
$ 550.00
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-74 B, blau (470 nm), Ø 74mm](/Produktbilder/normal/59354_1/StarLight-Opto-Electronics-RL4-74-B-blau-470-nm-O-74mm.jpg)
StarLight Opto-Electronics
RL4-74 B, blau (470 nm), Ø 74mm
$ 550.00
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-74 A, amber (590 nm), Ø 74mm](/Produktbilder/normal/59354_1/StarLight-Opto-Electronics-RL4-74-A-amber-590-nm-O-74mm.jpg)
StarLight Opto-Electronics
RL4-74 A, amber (590 nm), Ø 74mm
$ 550.00
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-66 WW, warm-weiß (3.500 K), Ø 66mm](/Produktbilder/normal/59342_1/StarLight-Opto-Electronics-RL4-66-WW-warm-weiss-3-500-K-O-66mm.jpg)
StarLight Opto-Electronics
RL4-66 WW, warm-weiß (3.500 K), Ø 66mm
$ 491.00
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-66/RL12-Serie, 66 mm > 52 mm, Ø 66mm](/Produktbilder/normal/59657_1/StarLight-Opto-Electronics-RL4-66-RL12-Serie-66-mm-%3E-52-mm-O-66mm.jpg)
StarLight Opto-Electronics
RL4-66/RL12-Serie, 66 mm > 52 mm, Ø 66mm
$ 39.90
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-66/RL12-Serie, 66 mm > 58 mm, Ø 66mm](/Produktbilder/normal/59657_1/StarLight-Opto-Electronics-RL4-66-RL12-Serie-66-mm-%3E-58-mm-O-66mm.jpg)
StarLight Opto-Electronics
RL4-66/RL12-Serie, 66 mm > 58 mm, Ø 66mm
$ 39.90
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-66/RL12-Serie, 66 mm > 56 mm, Ø 66mm](/Produktbilder/normal/59657_1/StarLight-Opto-Electronics-RL4-66-RL12-Serie-66-mm-%3E-56-mm-O-66mm.jpg)
StarLight Opto-Electronics
RL4-66/RL12-Serie, 66 mm > 56 mm, Ø 66mm
$ 39.90
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-66/RL12-Serie, 66 mm > 64 mm, Ø 66mm](/Produktbilder/normal/59657_1/StarLight-Opto-Electronics-RL4-66-RL12-Serie-66-mm-%3E-64-mm-O-66mm.jpg)
StarLight Opto-Electronics
RL4-66/RL12-Serie, 66 mm > 64 mm, Ø 66mm
$ 39.90
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-74-Serie, 74 mm > 68 mm](/Produktbilder/normal/59657_1/StarLight-Opto-Electronics-RL4-74-Serie-74-mm-%3E-68-mm.jpg)
StarLight Opto-Electronics
RL4-74-Serie, 74 mm > 68 mm
$ 39.90
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-74-Serie, 74 mm > 70 mm](/Produktbilder/normal/59657_1/StarLight-Opto-Electronics-RL4-74-Serie-74-mm-%3E-70-mm.jpg)
StarLight Opto-Electronics
RL4-74-Serie, 74 mm > 70 mm
$ 39.90
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-74-Serie, 74 mm > 72 mm](/Produktbilder/normal/59657_1/StarLight-Opto-Electronics-RL4-74-Serie-74-mm-%3E-72-mm.jpg)
StarLight Opto-Electronics
RL4-74-Serie, 74 mm > 72 mm
$ 39.90
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-66/RL12-Serie, 66 mm > 50 mm, Ø 66mm](/Produktbilder/normal/59657_1/StarLight-Opto-Electronics-RL4-66-RL12-Serie-66-mm-%3E-50-mm-O-66mm.jpg)
StarLight Opto-Electronics
RL4-66/RL12-Serie, 66 mm > 50 mm, Ø 66mm
$ 39.90
ready for shipping in 1-2
weeks
![StarLight Opto-Electronics RL4-66/RL12-Serie, 66 mm > 62 mm, Ø 66mm](/Produktbilder/normal/59657_1/StarLight-Opto-Electronics-RL4-66-RL12-Serie-66-mm-%3E-62-mm-O-66mm.jpg)
StarLight Opto-Electronics
RL4-66/RL12-Serie, 66 mm > 62 mm, Ø 66mm
$ 39.90
ready for shipping in 1-2
weeks