Oscar vision Portable Lensmeter MCT-501
Specifications	Vertex Power	Range	+15diopterto-15diopter
		Steo	(+-)10D-(+-)15D for 0.25D
	Prismatic	Range	4 prism diopter
		Step	1diopter
	Cylindnical Axis	Range	0 to 180 degrees
		Step	5 degrees
	Lenses Accommodated	Diameter	20mm to 80mm
	Eyepiece Focusing	-5D to 5D
	Bulb	6V/3W