ITEM NAME:Telescope Eyepiece 40mm 4 Element Design for 1.25inch Astronomy Filters Description: Engineered with high quality 4 element design and offering a generous 48Â °apparent field of view;perfect for broad field lunar observations;medium sized star clusters;provide a wide range of cloudy nebulas and deep sky targets. Soft rubber eye guard that is custom fitted with a bayonet mount and folds down for the convenience of eyeglass wearers and protects glasses from getting scratched. Fully coated eyepieces with all black interior design;no introduction of additional color for higher magnification;highly achromatic;enhance details of Jupiter;Saturn;Mars;Venus and planetary filters. Features a precision made standard 1.25" barrel for any 1.25" diameter telescope;1.25" astronomy filters and fold down rubber eye guard for comfortable viewing as well as blocking stray light. Comes with sturdy plastic case-proect the eyepiece from dust and moisture. Specification: Type: Telescope Eyepiece Focal length: 40mm Barrel size: 1.25" /31.7mm Apparent field of view: 48 degree Coatings: fully multi coated Lens elements: 4 Blackened lens edges: yes MAX Diameter: 38mm/1.5inch Length: 40mm/1.6inch Package Includes: 1Piece Telescope Eyepiece SKU: ALU0013992777003493.Soft rubber eye guard that is custom fitted with a bayonet mount and folds down for the convenience of eyeglass wearers and protects glasses from getting scratched. Focal length: 40mm. Apparent field of view: 48 degree.
