A small apo of 72 mm is light enough to take anywhere with you and is widely used for wide-field photography. If you want to focus more precisely, you can attach a Feather Touch focus system to your tube with this focal adapter for the William Optics and Astro-Tech 72 mm.
The adapter from Starlight Instruments replaces the original focus ring and connects the tube to the Feather Touch. There are several generations of these telescopes, so check if your tube has the same connection. You can find similar tubes in our store. Single refractor tubes.
If you use one of our loose flatteners, After the conversion, recalculate your distance to the sensor. Keep the lens covered while changing the focus ring.
Against dew on the lens, a rainbow band for 3 inch telescopes, controlled with a Two-channel dew regulator.
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