Alpha Optics AO-22525R/H Image Intensifier Tube
Key Features:
- Higher photo response, resolution, and signal-to-noise ratio
- Long operational life
- Auto brightness control
- Bright light protection

Specifications:
Resolution, lp/mm | 32 lp/mm minimum |
Gain | 50,000 minimum |
EBI | 2x10-11 lm/cm2, max |
Useful diameter of photocathode | 25 mm minimum |
Photocathode | S20 |
Luminous sensitivity | 300 µA/lm, minimum |
Signal to noise | 3.2 minimum |
Supply current | 32 mA max |
Diameter | 63 mm |
Length | 75.6 mm |
Weight | 350 g max |
Description
The Alpha Optics AO-22525R/H 25 mm Gen 2+ image intensifier with S-20 photocathode with an extended red response is available with fiber optics input and output windows. It’s a direct replacement for MX9644 and XX2052 models. The tube comprises a special fiber optic faceplate, microchannel plate (MCP) current amplifier, and phosphor screen. Incorporated electronics includes an advanced automatic brightness control, and manual adjustment to a desired brightness level. Power supply has a built-in photocathode protection against high light level exposure.