Replacement for 38-03-65 CARL ZEISS Halogen - T4 Shape GZ6.35 Base 40W 22.8V with Clear Finish

When the lamp in your microscope, surgical visualization system, and precision optical instrument reaches end of life, this compatible replacement for the 38-03-65 by CARL ZEISS gets you back up and running. It matches the original at 40W, 22.8V, T4 form factor with a GZ6.35 bi-pin base for a direct fit.

This lamp delivers bright, even illumination without color shift or flicker, supporting accurate specimen visualization under magnification. Its broad-spectrum output helps maintain the optical clarity that research, pathology, and quality control work demands. It maintains stable filament temperature throughout its life, keeping color temperature consistent from session to session.

Key Features & Benefits

• Fits standard GZ6.35 bi-pin base sockets for straightforward replacement.
• Clear Finish T4 envelope for optimal light distribution.
• 40W at 22.8V for compatibility with low-voltage fixtures and power supplies.

Product Specifications

• Wattage: 40W
• Voltage: 22.8V
• Base Type: G6.35
• Bulb Shape: T4
• Finish: Clear Finish
• 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.