The corrected image helps center objects precisely and quickly
FMC coated glass results in less light loss and brighter images
Excellent image sharpness with large field of view (FOV) of 7.3°
Adjustable Brightness LED Illuminator make objects much more apparent against dark background
Comfortable eye relief
Separately focusing of lens and crosshair is possible: Eyepiece and main objective can be focused independently so that you can obtain perfect focus for your eyes;
Nice kit with good selection of quality lenses and a case that is strurdy and will stand many mishaps and protect your lenses in the field. I was able to add 3 more locations for some of my existing lenses.