Sky-Watcher Esprit 100 ED APO refractor - S11410 (Pre-owned) Ritchey-Chretien Back Focal Length of 17

Back Focal Length of 17

Triplet APO design

providing the most efficient transfer of heat to prevent dew formation

It can provide 12V and up to 10Amps

the higher the magnification

Sky-Watcher Esprit 100 ED APO refractor - S11410 (Pre-owned) Ritchey-Chretien Back Focal Length of 17Used, in excellent condition Sky Watcher Esprit 100 ED APO Refractor Three element air spaced 100 mm APO Objective 2 element field corrector lens Helinear Track helical rack focusing system 8x50 Right Angle RACI Finder Scope 2" Star diagonal Camera adapter D style dovetail plate & rings Padded Carry Case This 100 mm aperture Sky Watcher Esprit 100 ED APO Refractor was designed with the discerning astrophotographer in mind; Sky Watcher USAs top of the