Weems & Plath Hand Bearing Compass (Revised 2013) 70mm The telescope tube's outside diameter

The telescope tube's outside diameter measures 91mm

which means that all lens surfaces have multiple layers of anti-reflective coatings

With this focal extender

this telescope utilizes an FPL53 Doublet Lens for clear and crisp views of astronomical phenomena

particularly for those on the move or embarking on long hikes

Weems & Plath Hand Bearing Compass (Revised 2013) 70mm The telescope tube's outside diameterWeems & Plath Hand Bearing Compass (Revised 2013) 2005 Get a quick fix, day or night, with this reliable Hand Bearing Compass. A perfect companion for sailors and small boat operators, this durable hockey puck style compass is easy to read and accurate to within 1 . A heading can be determined in one of two ways: by looking straight down the compass and reading the angle shown with the magnifying lens, or by holding the compass near the eye and