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Universal use with different binoculars is therefore possible
The combination of high altitude bearings with optimized aluminum structures allows fine adjustment flows at high magnifications
Explore Scientific Rack and Pinion Focuser Extension Tube adds 1
Diameter 55
the light gray colored nylon features multiple adjustable velcro compartments designed to carefully cradle and easily organize your scope
Nebula Filter H-Beta 2.0-inch tracker Universal use with different binocularsExplore Scientific Nebula Filter 1. 25" H Beta Range from 478nm to 496nm with peak at 489nm. Transmission 94. 5% H Beta Hydrogen is the most abundant element in the universe and many nebulae glow in the light of H beta. This line filter blocks all other wavelengths (and thereby nearly all of the artificial light) and only the emission line of hydrogen beta will pass. This filter fits all standard 2. 0 inch eyepieces and filter wheels.
US$ 174.00
US$ 311.50
US$ 22.00
US$ 227.00
