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an electromagnetic aperture mechanism is integrated into the lens design to provide greater exposure control stability that is especially beneficial when working with faster continuous shooting rates
331' Horizontal Field of View
exhibition graphics
Brand GREENLEE COMMUNICATIONS Part Number 1302 Quantity Each Technical Data Sheet EN
5V Output Current - Output 1 200mA Height 10
ALPINE ASTRONOMICAL Baader Double Polarization Filter (1.25") Platinum Tools 100028C an electromagnetic aperture mechanism isDouble Rotating Filter Cells Ideal for Lunar & Planetary Viewing Enhances Overall Image Contrast Standard 1. 25" Eyepiece Filter Threads Allows Solar Viewing with Proper Filters Use the Alpine Astronomical Baader Double Polarizing Filter to eliminate extraneous light and improve contrast during lunar and planetary observations. It is made with standard 1. 25" threads to fit on just about any eyepiece. The filter's double rotating filter cells allow
