40X40mm For Astronomical Viewing
30X40mm For Terrestrial Viewing
.Description:40x40mm & 30x40mm

.Objective Lens:40mm
.Rack & Pinion Focusing

.Length of Telescope:Extends from 25" to 28"
.With 12" Metal Tripod
.Size of Window Box:27 1/8" x 9 1/4" x3"