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ELECTRONICS

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

★★★★★ 4.8 · 86 reviews
$450.00 $540.00
Quantity
In stock

The Paul C. Buff Einstein E640 studio flash delivers consistent 640Ws output for professional photography setups. Designed for photographers needing reliable lighting with quick r…

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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

  • 640Ws Output
  • Adjustable Power
  • Black
  • Camera Accessory
  • Camera Flash
  • Compact Design
  • Creative Lighting
  • Dslr Flash

Free shipping across the United States. Orders ship within 1–2 business days via tracked carriers. Most orders arrive in 3–7 business days. Backordered items ship within 5–10 business days.

30-day returns on unused items in original packaging. Every light is covered by a 2-year warranty against manufacturing defects. Contact info@designerpursebargains.com to start a return.

What customers say

4.8
★★★★★
86 reviews
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Owen B. ✓ Verified Buyer
★★★★★
Exactly what my setup needed

Recycle time is quick enough for portrait sessions and the modeling light helps me pre-visualize shadows before I fire.

2026-06-14
Diego F. ✓ Verified Buyer
★★★★★
Color accuracy is spot on

Bowens mount means all my existing softboxes fit. Output is punchy and consistent frame to frame.

2026-04-20
James W. ✓ Verified Buyer
★★★★★
Color accuracy is spot on

Used it for a product shoot last week — clean, repeatable exposures at f/11 with power to spare.

2026-07-24
Andre L. ✓ Verified Buyer
★★★★★
Flicker-free on video

Recycle time is quick enough for portrait sessions and the modeling light helps me pre-visualize shadows before I fire.

2026-02-18
Studio Flash – 640Ws Output, 1/800s Sync Speed, for DSLR Cameras
$450.00