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Viewing distant sports events
and durable enhanced multilayer deposition (EMD) coatings
The visual effect of these eyepieces with their long eye-relief and their 82° apparent field is truly a full-immersion experience
close up and personal
and each ring has three adjustment points
Nebula Filter H-Beta 1.25-inch Aperture_2. 100mm - 127mm Viewing distant sports eventsExplore 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 1. 25 inch eyepieces and filter wheels.
US$ 105.00
US$ 72.00
US$ 105.00
