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Stelos is broncolor’s latest flagship portable monolight, delivering 800 joules of flash energy and legendary light quality.
It runs on battery power with simultaneous charging via USB-C, using a standard or included 140W charger. The intuitive interface features just two buttons, a rotary controller, and a customisable LCD display. Stelos supports all broncolor RFS 2/3 transmitters, the bronControl app (WiFi built-in), and bronAPI. A solid bayonet mount handles even the largest light shapers. Features include adjustable flash colour temperature, powerful LED modeling light (colour adjustable), HSS, and user-driven upgrades like 90° tilt and compact size. Made in Switzerland for lasting reliability.
Compact 800 joules power
Stelos delivers an impressive 800 joules of flash energy in a remarkably compact and lightweight form. Designed for mobility and speed, it’s the perfect companion for fast-paced shoots—on location or in the studio. Despite its size, Stelos offers full performance without compromise.
Universal V-mount battery
Thanks to its V-Mount interface, Stelos supports a range of batteries from broncolor and third-party providers. Power your shoots flexibly, and charge using the included 140 W adapter or any USB-C charger—even while in use.
Renowned broncolor light quality
Stelos continues the broncolor legacy of exceptional light quality with precise colour consistency, adjustable flash colour temperature, and powerful, tunable LED modeling light. Whether you're shooting stills or video, expect professional results with every flash.
800 J of flash energy
Li-Ion battery (charge while in use)
Universal V-Mount interface (broncolor Stelos battery or suitable third-party batteries)
More than 300 full power flashes with a single battery charge
Legendary broncolor light quality (output consistency and colour temperature stability)
Flash colour temperature is adjustable
Powerful LED modelling light (2700 to 6500 K)
High-Speed-Sync (HSS)
Large display with excellent readability and a modern, intuitive user interface (currently 11 languages supported)
Fully compatible with RFS 2.1., RFS 2.2 and RFS 3 radio triggers
bronControl App or bronAPI available
Can be tilted up or down by 90 degrees on the stand
Includes:
1x Stelos 800 L
1x Wide angle umbrella reflector Ø 120 mm
1x Li-Ion battery 28 V V-Mount
1x USB-C charger 140 W (incld. socket adapters)
1x USB-C cable 3m
1x Protective cap
1x Quick Guide
1x Safety instructions
It runs on battery power with simultaneous charging via USB-C, using a standard or included 140W charger. The intuitive interface features just two buttons, a rotary controller, and a customisable LCD display. Stelos supports all broncolor RFS 2/3 transmitters, the bronControl app (WiFi built-in), and bronAPI. A solid bayonet mount handles even the largest light shapers. Features include adjustable flash colour temperature, powerful LED modeling light (colour adjustable), HSS, and user-driven upgrades like 90° tilt and compact size. Made in Switzerland for lasting reliability.
Compact 800 joules power
Stelos delivers an impressive 800 joules of flash energy in a remarkably compact and lightweight form. Designed for mobility and speed, it’s the perfect companion for fast-paced shoots—on location or in the studio. Despite its size, Stelos offers full performance without compromise.
Universal V-mount battery
Thanks to its V-Mount interface, Stelos supports a range of batteries from broncolor and third-party providers. Power your shoots flexibly, and charge using the included 140 W adapter or any USB-C charger—even while in use.
Renowned broncolor light quality
Stelos continues the broncolor legacy of exceptional light quality with precise colour consistency, adjustable flash colour temperature, and powerful, tunable LED modeling light. Whether you're shooting stills or video, expect professional results with every flash.
800 J of flash energy
Li-Ion battery (charge while in use)
Universal V-Mount interface (broncolor Stelos battery or suitable third-party batteries)
More than 300 full power flashes with a single battery charge
Legendary broncolor light quality (output consistency and colour temperature stability)
Flash colour temperature is adjustable
Powerful LED modelling light (2700 to 6500 K)
High-Speed-Sync (HSS)
Large display with excellent readability and a modern, intuitive user interface (currently 11 languages supported)
Fully compatible with RFS 2.1., RFS 2.2 and RFS 3 radio triggers
bronControl App or bronAPI available
Can be tilted up or down by 90 degrees on the stand
Includes:
1x Stelos 800 L
1x Wide angle umbrella reflector Ø 120 mm
1x Li-Ion battery 28 V V-Mount
1x USB-C charger 140 W (incld. socket adapters)
1x USB-C cable 3m
1x Protective cap
1x Quick Guide
1x Safety instructions
| Flash specifications | |
| Maximum Watt/Seconds | 800Ws |
| Guide Number | f-stop at 2m, 100 ISO with Wide angle umbrella reflector Ø 120 mm - 22 with P70 normal reflector - 45 |
| Control | 0.78 - 800 J over 10 f-stop intervals, in steps of 1/10 or full f-stops |
| Recycle time | 0.008 - 2.5 s (min. / max. energy) |
| Flash Duration | Flash duration t 0.1 opt (t 0.5 opt) - min. energy - 1/9’200 s (1/16’000 s) max. energy - 1/250 s (1/750 s) Flash duration Speed mode t 0.1 (t 0.5) min. energy - 1/11'500 s (1/21'200 s) max. energy (power level 1.0 to 6.8 only) - 1/5'400 s (1/8'700 s) Flash duration Shortest mode t 0.1 min (t 0.5 min) min. energy - 1/19’500 s (1/56’400 s) max. energy - 1/250 s (1/790 s) |
| Color Temperature | adjustable, -100 K to +800 K, depending on selected energy |
| Remote Control | bronControl App or bronAPI |
| User Replaceable Flashtube | Yes |
| Changeable Reflector | Yes |
| Modeling Light | LED 49 Watt typical 2700 to 6500 K |
| Power Source | Li-Ion, 88Wh, 28.8V, V-Mount interface, item number: 36.170.00. Can be charged while in use via USB-C (e.g. with broncolor USB-C charger 140 W item number: 36.171.00). Optimal performance can only be guaranteed when using the original broncolor Li-Ion battery 28 V V-Mount (item no. 36.170.00). The use of third-party batteries is at the user’s own risk. |
| Weight | Weight (incl. battery & Wide Angle Umbrella Reflector Ø 120 mm, without protective cap) - 3’390 g (7.47 lbs) |
