Description:Engineered with high quality 4 element design and ing a generous 48°apparent field of view; 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 eyeguard for comfortable viewing as well as blocking stray light

Comes with sturdy plastic case-proect the eyepiece from dust and moisture

Specification:Type: Telescope EyepieceFocal length: 40mmBarrel size: 1

25" /31

7mmApparent field of view: 48 degreeCoatings: fully multi coatedLens elements: 4Blackened lens edges: yesMAX Diameter: 38mm/1

5inchLength: 40mm/1

6inchPackage Includes:1Piece Telescope Eyepiece