4.5mm 82° Series LER Waterproof Eyepiece newtonians Rock tumbler mimics natural weathering

Rock tumbler mimics natural weathering process to turn rough-edged rocks into smooth shiny stones with intriguing colors and patterns

user friendly system with guided navigation

making them great for camping

Especially when using a Herschel wedge and with large lens openings

Weight 249 grams

4.5mm 82° Series LER Waterproof Eyepiece newtonians Rock tumbler mimics natural weatheringWith its particularly long eye relief of 15. 9mm, the 4. 5mm LER ocular from Explore Scientifics 82 Series of Argon Purged Waterproof Eyepieces puts the focus on a comfortable viewing experience for all observers. A long eye relief is especially important for eyeglass wearers because it allows them to enjoy the full field of view. The 4. 5mm focal length is perfect for observing objects that would benefit from high magnifications such as the Moon, the