Used Celestron SkySync GPS Accessory All-In-One The Askar 91F strikes a

The Askar 91F strikes a balance between practicality and versatility while achieving lightweight portability through its compact design

which ensures that more of the light emitted from celestial objects is sharply focused onto your sensor

It has a female Nikon F-mount bayonet mount on the lens side and a male T/T2 thread on the other side which connects to the EFW

Finely polished optical glass

Used Celestron SkySync GPS Accessory All-In-One The Askar 91F strikes aCondition: This is a used SkySync GPS. It is in excellent working condition, with little to no signs of use wear. This comes with its tripod leg strap, but no box. Description: Upgrade your Celestron computerized telescope to GPS with SkySync Improve the speed and accuracy of alignments with 16 channel GPS Automatically updates the time and date Plugs into the AUX port on the base of the telescope Compatible for all non GPS Celestron computerized