Amazon.com : Gosky Deluxe Telescope Camera Adapter Kit for Sony E-Mount (Mirrorless) Cameras (E-Mount - Including NEX, A7 & VG Series)- for Telescope Prime Focus and Eyepiece Projection Photography : Electronics
Meade Variable Projection SLR (35mm OR Digital) Camera 07361 B&H
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DIY Refracting Telescope Metal Focuser Adapter for Dia. 154mm Objective Lens | eBay
Amazon.com : Astromania 1.25" Extendable Camera Adapter - for Either Prime- Focus Or Eyepiece-Projection Astrophotography with Refractors or Reflector Telescopes - Threaded for Standard 1.25inch Astronomy Filters : Electronics
How To Take Photos Using a Telescope - Master Photography Podcast