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Common Questions About Narrowband Emission Line Filters
while fully multi-coated optics help deliver cleaner contrast on the Moon and brighter deep-sky objects
working as well as when they were brand new
7V 1000mAh lithium-ion battery is attached
and do not degrade when getting older
SVBONY Aspheric Wide Angle Eyepiece 4mm / 10mm / 23mm (62° AFOV, 1.25″) Size:F9301AC Svbony 62° HD 23mm Eyepiece Common Questions About Narrowband EmissionThe SVBONY Aspheric Wide Angle Eyepiece (62 AFOV) is a simple, sharp performing upgrade for 1. 25" telescopes, available in 4mm, 10mm, and 23mm focal lengths. These eyepieces are designed to give a wider, more immersive view than many basic kit eyepieces, making them a popular choice for lunar, planetary, and general deep sky observing. Key Features 62 wide angle apparent field of view for a more spacious, comfortable view Aspheric optical design
