SVBONY 62 Degrees Telescope Eyepieces 4mm 10mm 23mm & 2X Barlow Wide Angle Aspheric Telescope Eyepiece Set Bundle with SV191 Zoom Eyepiece, Zoom 7.2-21.6 Parfocal Design for Astronomical Observation

SVBONY Eyepieces 4mm Telescopes Lens and SVBONY 2X Barlow Lens, Wide Angle 62 Degree Aspheric Eyepiece HD Fully Coated Telescope Accessory, Barlow with M42 Thread SVBONY SV191 Zoom Eyepiece, Zoom 7.2 to 21.6mm, Parfocal Design, 1.25" FMC Telescope Eyepiece, 42°-65° FOV, 7 Element 4 Group Telescope Accessories for Astronomic Telescopes Visual and Spotting Scopes

• Three eyepiece sets; 4mm 10mm 23mm telescope eyepiece; for intricate details on bright objects; like the moon and Jupiter; also meets the needs of observing deep space targets such as medium sized star clusters and nebulae
• Wide angle 62° eyepiece; provide a wider apparent field of view; easier to locate objects and appreciate their surroundings; gives you an immersive viewing experience; suitable for scanning the starry sky or observing extended objects such as nebulae
• Aspherical lenses eyepiece; can reduce optical aberrations such as spherical aberration and coma; leading to sharper and clearer images across the entire field of view; the unique shape of aspherical lenses helps minimize distortion
• One eyepiece for multiple uses; SV191 7.2-21.6mm zoom eyepiece allows you to change magnification power without swapping out eyepieces
• Parfocal design; changing magnification without refocusing