AO Target
This traditional crosshair style target is familiar to many users. High and Wide Field Eyepiece
The newly designed eyepiece provides less shading effect. With an easier view, the measurement procedure becomes less fatiguing. Better Marking Dots
A new cartridge type marking device makes the dot targets more noticeable, especially on A/R coated lenses. The new cartridges are less cumbersome to replace than earlier ink pad assemblies. Features External Readings.