4mm 10mm 20mm eyepieces set

Spectrum Optical Instruments Optical Lens 4mm/10mm/20mm Eyepieces HD Fully Coated for 1.25'' telescopes.

A perfect eyepiece set for observing planets, nebulas, and lunar details. This set of eyepieces is included in all Spectrum Optical Instruments AZ60 series and EQ20 Series telescope products so this will work as a perfect replacement for any Spectrum Optical Instruments eyepieces and a great update for the AZ30 series telescopes.