2 inch focus adapter for Takahashi, type AR-4 | Starlight

Do you want to switch to a different focuser on your Takahashi, for example because you photographs stars and nebulae And if you want to focus very precisely, you need the right adapter. This Takahashi adapter for AR-4 mounts a 2-inch focus lens from Starlight Instruments onto your telescope. This replaces the original focus lens with a Feather Touch, which is known for its smooth movement.

Takahashi uses different connection sizes on his telescopes, so make sure that AR-4 is the right one for your tube. If in doubt, compare the dimensions of the existing connection with the documentation of your telescope. For the FSQ85, for example, a separate focus adapter for the FSQ85.

Also consider the light path: a different focal length can make the lens longer or shorter. That affects the focal point and the distance from the subject. a flat lens or a camera that often has to be within a millimeter of accuracy when taking astrophotography.