Replacement for 1121 AMERICAN OPTICAL Halogen - T2.5 Shape G4 Base 20W 6V

Built to the specifications of the 1121 from AMERICAN OPTICAL, this compatible halogen replacement provides a straightforward path to restoring your equipment. At 20W, 6V, T2.5 form factor, it drops into the G4 bi-pin base socket and runs at the correct operating point.

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 G4 bi-pin base sockets for straightforward replacement.
• T2.5 bulb shape for broad fixture compatibility.
• Rated 20W, 6V - sized for standard low-voltage electrical systems.

Product Specifications

• Wattage: 20W
• Voltage: 6V
• Base Type: G4 2-PIN 4MM CENTER/CENTER
• Bulb Shape: T2.5
• 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.