Askar 131F Flat Field quadruple Astrograph 1.5mm spacer The rear-mounted

The rear-mounted

The Language interpretation system offers 17 channels that can support up to 8 different groups of interpreters in the same location at the same time

Ideal for colour CMOS and CCD astronomy cameras

Note: The same filter sets are also available to purchase optionally for the basic C and M models

High-contrast visual observing with minimal chromatic aberration

Askar 131F Flat Field quadruple Astrograph 1.5mm spacer The rear-mountedSelf flattened quadruplet Astrograph which can be used for visual observing and astrophotography. The Askar 131F is a large aperture telescope designed for astronomy enthusiasts, featuring a 131mm aperture, 983mm focal length, and a native F7. 5 focal ratio. It employs a quadruplet optical lens design with three elements in the front and one in the rear, including one piece of ED glass to effectively suppress chromatic aberration. The lens tube