Microscope ring lamp used in Meiji, Hosobuchi and other equipment
Common model numbers include:
NIKON SM-5, SM-6, SMZ • 
NIKON SMZ-1, SMZ-1B/2B, SMZ-2T • 
NIKON SMZ-10 • 
OLYMPUS MM-11, MM11C, MM22 • 
UNITRON UZ • 
MEIJI • 
RAAYTRONICS • 
WILD M Series
This lamp is used in microscope illuminators by Meiji and others. It is a daylight fluorescent lamp with a ceramic base and four pins in a square pattern, and an outside diameter of 80mm or about 3.25 inches.

| Watts | 8W | 
| Volts | 52V | 
| Base | G10Q | 
| Ordering Code | CD/80B-DL | 
| Price (Each) | $92.00 |