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It is made of durable material printed with graphics designed to inspire epic adventures
allowing you to easily use the “averted vision” technique to study faint details across a huge field-of-view
Breathable nylon will let air circulate and yet keep dust away
Protection from the Outdoors - By making the eyepiece body Argon-purged
The BT-100 comes with two premium 62° 20mm LER eyepieces
82° Series 14mm Waterproof Eyepiece focal-extender It is made of durableThe 14mm 82 Series Waterproof Argon Purged Eyepiece is a popular focal length in the upper medium power magnification class providing both super wide apparent field and generous eye relief. It is perfect for any application where more power is desired including observing globular star clusters, planetary nebulae, the bright cloud structure near the nucleus of comets, initial observations of planets, and (with the proper safe filtration on your
