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Nebula Filter S-II 2-inch 12nmFeatures High quality Explore Scientific S II filter Absorbs all other emission lines Absorbs almost all of the artificial light Passband bandwidth: 12 nm For observing faint planetary nebulae, emission nebulae and supernova remnants More contrast and details for all urban observers and astrophotographers An individual test report of this premium filter is included in the scope of delivery Description In addition to the turbulence in the air, the

a necklace

especially good for Lunar and Planetary observers

oriented for astro-observing sessions

It is durable enough to store the filter while not in use

SX polar axis scope Dimensions 120 x 50 x 5mm Weight 74 g / 2

10x42 Specs

000 yards) Close focus 2

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which has quick-read indicators that let you know when your light is good to go

the National Geographic 2x Magnifying Glass Ruler is a handy tool for reading tiny lines of text or data in magazines

30° inclined

This special microscope is excellent for public water departments