outdoor binocular 8X40 ,with aspherical lens

Model:	8X40
Brand:	outlook
Origin:	Made In China
Category:	Electronics & Electricity / Electronic Instrument / Optical Lens & Instrument
Label:	tripod binocular , high power , rangefinde binocular
Price:	-
Min. Order:	-

Product Description

aspherical telescope 8X40 Technical parameter
:	Test items	Technical parameter
	Lens magnification	8x
	Exit pupil diameter	φ40
	Exit pupil diameter	φ5
	Exit pupil distance	14.2
	field of view	8.6°
	Minimum Focus Distance	8m
	Relative brightness	25
	Dusk index	17.9
	Resolution	≤5.5″
	Type of Prism	Paul
	Number of lens	4 sets of 6 pieces
	Focus system: central focusing	central adjusting
	Focusing Lens: internal adjusting	eyepiece
	central diopter adjusting range	-4～+8SD
	Eye-distance range	56～72mm
	overall dimensions
	weight	935g
	Overall dimensions	182x60x145
	Composition
	Outer sheath	yes
	tripod bolt	yes
	lens cover	yes
	Nitrogen filling	yes
	aspherical eyepiece , larger field of view. Ideal for outdoor uses and birds observation.