Celestron Labs CB1000CF Compound Biological Microscope - 44135 vendor-sky-watcher All lenses are multi-coated glass

All lenses are multi-coated glass in anodized aluminum housings with rubber eyeguards

56 focal ratio

Each telescope comes with a Ronchi test (example shown in images above) so you can see for yourself the level of optical quality guaranteed on the Founder Optics FOT106 APO triplet refractor

Focal Length of Eyepiece 2: 13 mm

Achromatic Refractor OTA is 80 mm f/4

Celestron Labs CB1000CF Compound Biological Microscope - 44135 vendor-sky-watcher All lenses are multi-coated glassCelestron Labs CB1000CF Compound Binocular Microscope Lab ready Compound Binocular Microscope Biological & Other Purposes Binocular Head Interpupillary Adjustable Four Objectives: 4x, 10x, 40x, 100x lenses 10x eyepieces allows you to view specimens at 40x, 100x, 400x, and 1000x magnification Focusing Coarse and Fine Focus Adjust Abbe type Substage Condenser with Iris Adjust Built in, adjustable, halogen illumination Easy to Use; easy to transport