Studio Flash – 640Ws Output, 1/800s Sync Speed, for DSLR Cameras

The Paul C. Buff Einstein E640 studio flash delivers consistent 640Ws output for professional photography setups. Designed for photographers needing reliable lighting with quick recycle times under 1 second. Its compact body fits standard light modifiers without sacrificing power.

Key Features

• 640Ws power output — provides ample light for portraits and product photography without overheating during long sessions
• 1/800s flash duration — freezes motion clearly for crisp shots of moving subjects
• Built-in optical slave — triggers automatically when other studio flashes fire for multi-light setups
• AC/DC power options — works with standard wall outlets or portable battery packs for location shoots

Build Quality

High-impact plastic housing with metal mounting points. Internal components use copper wiring and aluminum heat sinks.

Package Contents

Flash head, power cord, sync cable, user manual

Technical Specifications

Dimensions: 6.7 x 4.3 x 4.1 inchesWeight: 3.2 lbsPower range: 5-640WsRecycle time: 0.9s at full powerColor temperature: 5500K ±200K