Replacement for 504-448 PROFOTO Halogen - T4 Shape E26 Base 250W 120V with Clear Finish

This lamp serves as a compatible replacement for the 504-448 used in PROFOTO equipment. It provides 250W at 120V in a T4 configuration, fitting an E26 medium screw base socket. With 4,500 lumens of output, it supports the illumination needs of professional studio lighting systems.

This lamp integrates well with dimmers and lighting control systems, offering smooth intensity adjustment without color shift. It maintains a clean envelope throughout its rated life, preventing the gradual dimming that can throw off exposure settings and color balance over time. It provides the predictable spectral output that studio and on-location professionals count on.

Key Features & Benefits

• Produces 4,500 lumens to support demanding lighting applications.
• E26 medium screw base for secure installation in compatible fixtures.
• T4 form factor with clear finish for controlled light output.
• Operates at 250W, 120V to match standard line-voltage circuits.

Product Specifications

• Wattage: 250W
• Voltage: 120V
• Base Type: E26 MEDIUM SCREW, 1-INCH DIAMETER
• Bulb Shape: T4
• Finish: Clear Finish
• Lumens: 4,500
• Condition: Brand New

Common Applications

This halogen lamp is commonly used in:

• On-location and field photography lighting
• Video interview and broadcast lighting kits
• Still life and tabletop product photography
• Studio modeling and flash head systems
• Photographic darkroom and printmaking equipment

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.