Askar 131F Flat Field quadruple Astrograph

Askar 131F Flat Field quadruple AstrographSelf 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

facilitating secure connections while ensuring maximum rigidity and user comfort

Achieve brighter

4FSK digital modulation mode

Furthermore included in the scope of supply are two adapters of different height – both with 1 3/8″ inner threads – for following uses:

the SV154 is compatible with a wide range of telescopes equipped with 2″ focusers

Ideal for both visual observation and astrophotography

This MW tuning increment is 9KHz/10KHz

the inside of the SV182 finder scope fully threaded to minimize reflections

the SV240 improves signal-to-noise ratio while maintaining manageable colour balance during post-processing

Designed For Telescope Mounting

An OIII filter expands your imaging possibilities

and 23mm focal lengths