Three high grade 1.25 inch Plossl Eyepieces "4 mm; 10 mm; 25 mm": 4-element design with a 52 degrees AFOV; a 2x 1;25 inch Barlow lens - Complements the included Plossl eyepieces to give you a total of six power combinations
Three eyepieces that provide low; medium and high powered magnification for viewing a wide range of objects 1.25 inch 4mm 10mm 25mm plossl eyepiece set provides the widest viewing field along with extra sharpness and long eye relief
This is a perfect accessory for owners of short and fast telescopes and especially helpful for boosting magnification during lunar or planetary observations; good visual experience of watching scenery; bright celestial observations; nebula and so on
New Upgrade: Astromania Upgrade Edition OIII Filter is used for capturing the gas tails and gas flows of comets; with the two brightest C2 emission lines at wavelengths of 511 and 514 nm; the full width at half maximum wavelength is less than 15 nm
High transmittance: Within the wavelength range of 504 nanometers to 525 nanometers; only the double-ionized oxygen line with wavelengths between 510 nanometers and 518 nanometers passes through with 99% of the wavelengths