For Accurate Polar Alignment Suitable to use Together with Off-Axis Guiders Red LED Illuminate Crosshairs with Brightness Control Fully Coated Optics Double Crosshair Reticle
4 Elements Plossl Optical Design Rubber Eyecup for Comfort Elegant Matte Aluminum Barrels Blackened Lends Edges Accepts 1.25" Filters
4 Elements Plossl Optical Design Rubber Eyecup for Comfort Elegant Matte Aluminum Barrels Blackened Lends Edges Accept 1.25" Filters
60º Field of View 6-element Fully Multi-Coated Optics Pop-up Rubber Eyeguards for Comfortable Viewing Non-slip Grip
7mm Focal Length Wide 82° Field of View 1.25" Diameter Barrel Fully Multi-Coated Optics Parfocal with all Luminos Eyepieces Slip-Resistant Rubber Grip Anodized Aluminum Barrels Retractable Eyecup
15mm Focal Length Wide 82° Field of View 1.25" Diameter Barrel Fully Multi-Coated Optics Parfocal with all Luminos Eyepieces Slip-Resistant Rubber Grip Anodized Aluminum Barrels Retractable Eyecup
82 degrees apparent field of view 19mm focal length Parfocal eyepieces Fully multi-coated optics Polished aluminum body Adjustable eye cup 2 years warranty
82 degree wide apparent field of view 23mm focal length Twist up eyecups Anodized aluminum barrels with thread Parfocal eyepiece Fully multi-coated optics 2 years warranty
82 degree apparent field of view 31mm long focal length Fully multi-coated optics Retractable eyecups Sturdy anodized aluminum Threaded barrel Parfocal eyepiece 2 years warranty
10mm parfocal ultra flat field eyepiece Wide 60 degrees apparent field of view Fully multi-coated optics 16mm eye relief, fold-down eyecup Molded rubber ring for non-slip handling Limited 2-Year Warranty
15mm parfocal ultra flat field eyepiece Wide 65 degrees apparent field of view Fully multi-coated optics 16mm eye relief, fold-down eyecup Molded rubber grip ring for non-slip handling Limited 2-Year Warranty
18mm parfocal ultra flat field eyepiece Stunning ultra wide 65 degrees field of view Fully multi-coated optics 20mm eye relief, fold-down eyecup Molded rubber grip ring for non-slip handling Limited 2-Year Warranty