1.25" super wide angle eyepiece 15mm swa 70 degree eyepiece ultra wide angle achromatic 1.25 inch telescope accessories

type : monocular model number : sv154 1.25" 70-degree focal length : 15mm eye relief : 13mm field sdiameter : 18.8mm apparent field of view : 70° barrel size : 1.25inch lens structure : 5 -elements/4-groups filter threads standard : 1.25" filter thread (m28.5 x 0.6) coatings : fully multi-coated eyecups : twist-up eyecups material : metal net weight : 71g / 2.5oz / 0.15lb