Traditional Trial Frame. Adjustments can be made: temple angle, temple length 4.125″ to 5.5″ (98 to 135mm), nose bridge height 0-14mm, nose angle 0º to 30º, PD adjustable 24 to 40mm on each side (48mm to 80mm total both eyes).
Axial calibration on each lens:
left – 120º to 0º to 135º
right – 45º to 180º to 60º
Lens rotation is full 360º
Accommodates three 38mm lenses in front and one behind. Clear, precisely printed scales.