Askar 203APO - 203 mm f/7 Triplet APO Refractor - 203APO Star Trackers 2x Barlow lens to double

2x Barlow lens to double the power of each eyepiece

The red collimation beam has 7 brightness levels

in good condition

the capacity extends to 44 lbs (20 kg) with additional counterweights

Askar 203APO - 203 mm f/7 Triplet APO Refractor - 203APO Star Trackers 2x Barlow lens to doubleThe Askar 203APO has a large aperture of 8" and sports a native focal ratio of f 7. This big, beautiful triplet refractor has a 20% larger effective aperture area than the 185APO, allowing the limiting magnitude to reach a faint 13. 3. The large aperture also provides an inherent advantage in terms of light gathering power, resolution, brightness, and contrast, allowing the photographer to gather more light and present more details and brighter