Spectra  Professional IV-A  
Academy & Engineering EMMY Award Winning Technology - Exposure Meter for Film & Video

SPECTRA Spotmeter System
The Spectra One degree PhotoSpot is a unique optical accessory that converts your Spectra Professional IV-A into a high-sensitivity one degree spotmeter.
 

The Spectra® Film Gate Photometer II
Providing a means for precisely checking and controlling the color balance and exposure level of optical printers in laboratories.

SPECTRA VIEWING FILTERS
Spectra Viewing Filters permit visual judging and interpretation of a scene by compressing the scene’s brightness contrast-range to that of the film or video.


 

Spectra Professional - P251 Exposure meter
The Spectra "Classic" Professional exposure meter is celebrating its 52nd anniversary. Over 150,000 units have been manufactured over the past five decades.