We are professional manufacturer for binoculars Suitable for outdoor viewing high quality,fine appearence competitive price Model: K-S0821FMagnification: 8XObjective diameter: 21mmAngular field of view: 5.3°Close focus: 4mExit pupil diameter: 4mmExit pupil distance: 15.7mmNet weight: 186.5gSize: 9cmX10.5cmX3.2cm Netweight:186.5gSize:9cmX10.5cmX3.2cm