Superquad 160 Lens Flange:Standard Flange -Well-balanced and rests comfortably in

-Well-balanced and rests comfortably in the hand

All 4200 stools have five legs to distribute weight evenly and ensure stability

rotating color LCD screen and rechargeable lithium ion battery

Long-lasting LED illumination18 unique aperture/filter combinations for greater versatilityPolarizing filter virtually eliminates corneal reflectionDetect corneal abrasions with the cobalt blue filterCompatible with all existing Welch Allyn 3

Superquad 160 Lens Flange:Standard Flange -Well-balanced and rests comfortably inManufacturer Part Number: VSQUAD160, VSQUAD160NF Primary Application: Extreme Wide Field Examination and Laser Treatment Features & Benefits: Patented double aspheric glass optics provide enhanced imaging Widest field of view of any lens with complete retinal imaging out to the ora serrata Excellent PRP and other laser treatment capabilities to the far peripheral retina Superior design ensures minimized distortion to the extent of the visual field