Profoto Acute/D4 Ring

Portrait and product photographers struggle with uneven lighting and harsh shadows when shooting close-up subjects.

The Profoto Acute/D4 Ring Flash delivers 360° uniform light for flawless, shadow-free images. Its slim, circular design ensures consistent catchlights and eliminates hotspot variations.

Specifications

Benefits

• Even Illumination: 360° ring design eliminates shadows for beauty shoots and macro work.

• Fast Recycling: Up to 20 flashes per second for continuous shooting.

• Modular Attachment: Quick-mount to Profoto heads and optional diffuser styles.

• Compact Build: Ideal for studio and on-location events.

Use Cases
Urban portrait sessions, product photography, event close-ups, and macro detail work.

• Compatible With Acute and D4 Packs
• 4.0" Internal Diameter
• Soft, Shadowless Light
• Optional Reflectors
• Camera and Stand Mount
• Signature Catchlights

• Flash Type Circular flash tube with protective glass
• Compatibility Acute and D4 generators
• Capacity 2400W/s Up to 9,600W/s per minute
• Light Intensity Output
• At 2,400W/s at 6.6' (2.0 m) @ ISO 100
• f/32.6 without reflector
• f/22 with optional diffuser
• f/45.4 with optional Pro Ring Softlight Reflector
• f/45 with optional Pro Ring Close-Up Reflector
• f/22.1 with optional Pro Ring WideSoft Reflector
• Changeable Reflector Optional reflectors available
• Cable Length 13' (4.0 m)

1. What cameras are compatible with the Profoto Acute/D4 Ring Flash?
It works with any DSLR or mirrorless camera mounted on Profoto Acute or D4 flash heads. You can shoot with full-frame, APS-C, or micro four-thirds systems using your preferred lens.

2. How does warranty and shipping work?
All units include a 2-year manufacturer warranty. We offer free shipping across India with 3–5 day delivery; express options available at checkout.

3. How does this ring flash compare to other Profoto modifiers?
Unlike standard softboxes, the ring flash provides even circular catchlights and eliminates directional shadows—ideal for beauty and macro photography.

4. What maintenance is recommended for longevity?
Wipe the aluminum ring with a soft cloth after each use. Check mounting screws quarterly and store in a dry case to prevent corrosion.

5. Why choose the Profoto ring flash over competitors?
Profoto’s precision engineering ensures reliable recycling speeds, consistent color temperature, and a broad power range unmatched by similar ring lights.