Canon Speedlite 430EX III-RT

Canon Speedlite 430EX III-RT Portable Flash
The Canon Speedlite 430EX III-RT is a high-performance, mid-range clip-on shoe flash that brings Canon’s advanced 2.4 GHz radio wireless triggering capabilities down from their flagship line into a more compact, portable form factor. Seamlessly integrating full E-TTL / E-TTL II automatic exposure metering alongside full manual overrides, this versatile unit boasts a powerful guide number of 141 feet at ISO 100 and 105mm. Featuring a flexible motorized zoom head, a rapid recycling core, and comprehensive master/slave assignment controls, it serves as an indispensable tool for portrait, event, and wedding photographers looking to elevate their lighting setups both on and off-camera.

Included Specialized Lighting Accessories
This flash unit comes fully packaged with a dedicated suite of original modifiers and storage accessories to maximize your creative lighting control right out of the box:

Padded Carrying Pouch: A protective, soft-sided storage case engineered to shield the flash body and LCD screen from scratches and impacts during transport.

Mini Flash Stand Piece: A stabilizing plastic table stand outfitted with a cold shoe mount and a threaded tripod socket underneath, letting you safely position the speedlite on any flat surface or light stand for off-camera slave operation.

Plastic Diffuser Attachment (Clear): A clip-on frosted diffusion dome that softens shadows, wraps light, and reduces harsh hot spots—perfect for clean indoor event portraiture.

Warm Diffuser Attachment (Amber): A specialized color-conversion plastic dome designed to balance the flash’s daylight color temperature when shooting in tungsten-lit rooms, preventing mismatched color casts.

Advanced 2.4 GHz Radio & Optical Wireless Matrices
Integrated Radio Master & Slave Core: Houses a reliable 2.4 GHz wireless radio transmission system that functions up to 98.4 feet away. It eliminates line-of-sight tracking restrictions, allowing you to trigger up to 15 distinct flash units arranged across 15 channels and 5 independent groups.

Legacy Optical Transmission Backup: Retains an optical slave receiver to maintain backwards compatibility with older camera bodies and non-radio transmitters, allowing the speedlite to be deployed as an uncoupled slave unit across 4 channels and 3 groups.

Enhanced Bounce Architecture & High-Output Specs
Expanded 3D Bounce Articulation: Offers rich framing flexibility with a flash head that tilts upwards up to 90°, swivels a full 180° to the left, and rotates 150° to the right, letting you seamlessly bounce light off walls and ceilings behind you.

Motorized 24-105mm Zoom Coverage: Automatically adjusts its internal optical reflector to match the focal length of your attached lens across a 24-105mm spectrum. A built-in wide-angle diffuser panel can be flipped down to widen the spread down to a 14mm field of view.

Accelerated Recycle Times: Powered by 4 standard AA batteries, the charging electronics deliver full-power recycling in a fast 0.1 to 3.5 seconds. Engaging the specialized Quick Mode shortens this recovery cycle to just 2.5 seconds for rapid-fire continuous action.

Effective Working Range: Delivers a reliable, clean automatic exposure flash distance spanning from 2.3 feet up to a long-reaching 77.4 feet away.

Precision Light Distribution & Body Control
Intuitive Dot-Matrix LCD & Multi-Dial: Features a refined rear graphic interface with a high-contrast dot-matrix screen. Paired with a tactile Multi-Dial rotary wheel, navigating custom sub-menus and adjusting power settings can be handled rapidly in low-light environments.

Custom Light Distribution Profiles: Fine-tune how light fills your frame by selecting between three distinct projection presets: Standard Coverage, Guide Number Priority (maximizes central distance output), or Even Coverage (minimizes corner falloff across wide-angle shots).

High-Speed & Curtain Sync Modes: Supports High-Speed Sync (HSS) to shoot at shutter speeds faster than your camera’s native sync limit (e.g., up to 1/8000s for wide-open daylight portraiture), along with creative 1st and 2nd curtain synchronization control.

Heavy-Duty Metal Locking Foot: Built with a rugged metal mounting foot and a secure quick-lock lever assembly that prevents accidental decoupling from the camera shoe or bracket while ensuring flawless electronic contact.

Technical Specifications
Guide Number: 141′ / 43 meters at ISO 100 (at 105mm position)

Exposure Control Matrix: E-TTL / E-TTL II / Manual

Zoom Range Coverage: 24mm to 105mm (14mm with pull-out wide panel)

Flash Exposure Compensation: ±3 EV in 1/3 or 1/2 step increments

Swivel & Tilt Angles: 0 to 90° Up | 180° Left | 150° Right

Wireless Triggering Frequency: 2.4 GHz Radio & Infrared Optical

AF Assist Beam Reach: Up to 13.1 feet / 4 meters

Custom Customization Options: 10 Custom Functions / 8 Personal Functions

Power Source Requirement: 4 x AA Batteries (Alkaline, Lithium, or NiMH Rechargeable)

Full Power Flash Yield: Approx. 180 bursts with fresh cells