Eclipsmart Solar Filter - AstroMaster 70 Eyepiece Kit 4G has a longer transmission

4G has a longer transmission distance but slightly slower speed compared to 5G

Celestron’s Optical Design

field curvature

Narrowband mapped-color images             179

a great holiday or birthday gift idea for science and history enthusiasts

Eclipsmart Solar Filter - AstroMaster 70 Eyepiece Kit 4G has a longer transmissionISO CERTIFIED SOLAR TELESCOPE FILTER: Certified to comply with the ISO 12312 2 international safety standard for filters for direct viewing of the Sun. WORKS WITH YOUR EXISTING TELESCOPE: Compatible with Celestron AstroMaster 70AZ EQ and AstroMaster LT 70AZ telescopes. SAFE, SNUG FIT: Three safety screws keep your filter securely attached to your telescopes objective. A safety cap protects the outer surface of the filter when not in use. SOLAR FILM