1. Einleitung
The Rotolight RL48-B Stealth HD LED Ringlight is a versatile and portable continuous light source designed for both HD cinematography, videography, and DSLR photography. It provides naturally warm, shadowless light with studio-accurate color temperatures. This manual provides essential information for the safe and effective use of your RL48-B.

Abbildung 1: Vorderseite view of the Rotolight RL48-B Stealth HD LED Ringlight.
2. Sicherheitshinweise
Please read all safety instructions before using the Rotolight RL48-B. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Das Gerät darf weder Wasser noch übermäßiger Feuchtigkeit ausgesetzt werden.
- Bedienen Sie das Gerät nicht mit nassen Händen.
- Belüftungsöffnungen nicht blockieren.
- Use only specified batteries (3 AA batteries).
- Das Gerät darf nicht zerlegt oder verändert werden. Alle Wartungsarbeiten dürfen nur von qualifiziertem Fachpersonal durchgeführt werden.
- Außerhalb der Reichweite von Kindern aufbewahren.
- Vermeiden Sie direkten Augenkontakt mit dem LED-Licht.
3. Lieferumfang
Prüfen Sie, ob alle Artikel in der Verpackung vorhanden sind:
- 1x Rotolight RL48-B HD LED Ring light
- Lee 205, 3200 CTO, & 218 CTB filters
- Lee 209 & 298 neutral density filters
- Lee 216 Diffusion filter
- 279 1/8 Minus Green filter

Figure 2: Rotolight RL48-B with a selection of included filters.
4. Einrichtung
4.1 Einlegen der Batterie
- Locate the battery compartment on the rear of the RL48-B unit.
- Öffnen Sie die Abdeckung des Batteriefachs.
- Legen Sie 3 AA-Batterien ein und achten Sie dabei auf die richtige Polarität (+/-).
- Schließen Sie den Batteriefachdeckel fest.

Abbildung 3: Rückseite view of the RL48-B, indicating the battery compartment.
4.2 Filterinstallation
- Select the desired Lee filter from the provided kit.
- Insert the filter into the designated filter holder slot on the front of the RL48-B.
- Ensure the filter is seated properly and securely.
The RL48-B includes a filter-holder for easy attachment of the supplied Lee Filters. These filters allow for adjustment of color temperature (CTO, CTB) and light intensity (Neutral Density), as well as diffusion.
5. Bedienung
5.1 Ein-/Ausschalten
To power on the Rotolight RL48-B, locate the power button on the side of the unit and press it. Press again to power off.
5.2 Adjusting Light Output (Dimming)
The RL48-B's light output can be accurately dimmed using the supplied Neutral Density (ND) filters. These filters reduce the light intensity over a range of 1.5 aperture stops. Experiment with different ND filters to achieve the desired brightness.
5.3 Farbtemperatur anpassen
The included Lee Filters allow for precise color temperature adjustments:
- Lee 205, 3200 CTO: Converts daylight (5600K) to Tungsten (3200K) for warmer tones.
- Lee 218 CTB: Converts Tungsten (3200K) to Daylight (5600K) for cooler tones.
- Lee 216 Diffusion: Softens the light output.
- 279 1/8 Minus Green: Corrects for green casts from fluorescent lighting.
Select and insert the appropriate filter based on your desired color temperature and lighting conditions.
5.4 Montagemöglichkeiten
The RL48-B offers flexible mounting solutions:
- Shotgun Microphone Mount: The unit mounts natively over a shotgun microphone.
- Zubehörschuh: Using the optional Rotolight stand (sold separately), it can be mounted via an accessory shoe on a camera.
- Tripod/Lighting Stand: The optional Rotolight stand also allows mounting onto a standard tripod or lighting stand.
- Rail Support System: Can be integrated into a rail support system with appropriate adapters.

Figure 4: RL48-B mounted on a camera, demonstrating its compatibility with a shotgun microphone.

Figure 5: The RL48-B in use by a photographer, providing illumination.
6. Wartung
6.1 Reinigung
- Wischen Sie die Außenseite des Geräts mit einem weichen, trockenen Tuch ab.
- Bei hartnäckigen Flecken etwas d verwenden.amp Mit einem milden Seifentuch abwischen und anschließend trockenreiben.
- Keine Scheuer- oder Lösungsmittel verwenden.
- Clean filters gently with a microfiber cloth to avoid scratches.
6.2 Speicherung
- Store the RL48-B in a cool, dry place away from direct sunlight.
- Um ein Auslaufen zu verhindern, entfernen Sie die Batterien, wenn das Gerät längere Zeit nicht benutzt wird.
7. Fehlerbehebung
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Licht geht nicht an. | Tote oder falsch eingelegte Batterien. | Ersetzen Sie die Batterien durch neue AA-Batterien und achten Sie dabei auf die richtige Polarität. |
| Light output is too dim. | Neutral Density (ND) filter is installed. | Remove or replace the ND filter with a lighter one. Ensure batteries are fresh. |
| Light color appears incorrect. | Incorrect color temperature (CTO/CTB) filter installed. | Replace the filter with the appropriate CTO or CTB filter for your desired color temperature. |
| Unit feels warm during operation. | Normalbetrieb. | This is normal for LED lights. Ensure adequate ventilation and do not cover the unit. |
8. Spezifikationen
- Modell: RL48-B
- LEDs: 48 color-accurate LEDs
- Ausgabe: Equivalent to 80W tungsten output
- Farbtemperatur: Adjustable via filters (6300K, 5600K, 4100K, 3200K)
- Dimmen: Accurate dimming using Neutral Density filters (1.5 aperture stops range)
- Energiequelle: 3x AA-Batterien
- Akkulaufzeit: Approximately 4 hours (with specified batteries)
- Produktabmessungen: 5.51 x 5.51 x 1.57 Zoll
- Artikelgewicht: 6 Unzen
- Hersteller: Rotolight
- GTIN: 05060222850253

Abbildung 6: Seitenansichtfile of the RL48-B, highlighting its compact design.
9. Garantie und Support
Rotolight products are manufactured to high standards and come with a limited warranty against defects in materials and workmanship. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Rotolight webWebsite.
For technical support, troubleshooting assistance, or to inquire about replacement parts, please contact Rotolight customer service through their official webWebsite oder die Kontaktinformationen, die auf Ihrer Produktverpackung angegeben sind.
Rotolight Official WebWebsite: Www.rotolight.com





