Equipped with Vernier micrometer heads, TM-8 and TM-10 feature magnifications of 50X, 100X, and 200X with 10X eyepiece as well as 5X, 10X, and 20X objective lenses that have revolving nosepiece and positive stop. Separate 20X eyepiece is available to double magnifications (up to 400X) and lengthen working distances, while optional objectives from 1X–4X and 5X–40X are available to reach up to 800X magnification. Leveraging video adapter, these microscopes can offer videoscope functionality.