Replacement for 3800-75-1020 ZEISS Halogen - T3.5 Shape G22 Base 100W 12V with Clear Finish

This halogen lamp is a compatible replacement for the 3800-75-1020 by ZEISS. It operates at 100W, 12V, T3.5 form factor and fits directly into fixtures that accept a G22 medium bipost base. With a rated output of 2,750 lumens, it delivers the brightness needed for microscopy and precision optical instruments.

This lamp provides the uniform field illumination that microscopes and fiber optic illuminators are designed around. Its halogen cycle prevents envelope darkening, so output remains consistent over time - an important factor when comparing specimens or documenting results across multiple sessions. It fits securely into the fixture housing for reliable operation.

Key Features & Benefits

• Produces 2,750 lumens to support demanding lighting applications.
• G22 medium bipost base provides reliable electrical contact and stable operation.
• T3.5 form factor with clear finish for controlled light output.
• 100W at 12V for compatibility with low-voltage fixtures and power supplies.

Product Specifications

• Wattage: 100W
• Voltage: 12V
• Base Type: PG22
• Bulb Shape: T3.5
• Finish: Clear Finish
• Lumens: 2,750
• Condition: Brand New

Common Applications

This halogen lamp is commonly used in:

• Compound and stereo microscope illumination
• Fluorescence and phase-contrast microscopy
• Industrial inspection and quality control microscopes
• Pathology and histology specimen examination
• Metallurgical and materials science analysis

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.