ED Telescope

Common Features:
Hand figured with traditional low speed polishing technology
Doublet air spaced design one element is ED glass
Sharp color-free image and high contrast Fully aluminum structure 
Collimation screws for each lens
Sliding dew shield to reduce glare
Felt-lined mounting rings and dovetail plate
Two speed 2'' crayford focuser

Achromatic Telescope

Features:
Hand figured with traditional low polishing technology
Doublet air spaced achromatic design
Sharp image, chromatic is limited
Fully aluminum structure
Collimation screws for each lens
Sliding dew shield to reduce glar