{"product":{"product_id":"B00OXKFZK8","title":"Solomark 2 Inch 42mm Telescope/Camera Adapter- Lets You Attach a T-Ring Equipped DSLR or SLR Camera Directly to Your Telescope.","price":null,"image_url":"https://m.media-amazon.com/images/I/31wt2llzMCL._SL500_.jpg","url":"https://www.amazon.com/dp/B00OXKFZK8"},"comments":[{"body":"Thanks for the reply.  \r\n  \r\nWould these work then?  \r\n[Solomark 2 Inch 42mm Telescope / Camera Adapter](https://www.amazon.com/dp/B00OXKFZK8/ref=cm_sw_r_cp_api_ll14xbATPYH75).     \r\n[Fotasy EFT2 T/T2 Mount Lens to Canon EOS EF Mount](https://www.amazon.com/dp/B006L1LX3K/ref=cm_sw_r_cp_api_3n14xbWM500GR)   \r\n  \r\nThe 2\" adapters seem to be expensive. Are they not just a plastic tube or do they also contain a lens?  \r\nI did also read about the focusing issue on dobsonians on a forum. Would extension tubes help?","subreddit_name":"astrophotography","author":"Nagemasu"},{"body":"yes this is the t adapter i bought http://www.amazon.com/Solomark-Telescope-Adapter--Equipped-Telescope/dp/B00OXKFZK8/ref=sr_1_3?s=electronics\u0026amp;ie=UTF8\u0026amp;qid=1437415196\u0026amp;sr=1-3\u0026amp;keywords=solomark+2+inch+camera+adapter its nothing amazing but it does the job also this is the t-ring i bought http://www.amazon.com/gp/product/B000237C9M?psc=1\u0026amp;redirect=true\u0026amp;ref_=oh_aui_detailpage_o05_s00","subreddit_name":"astrophotography","author":"joshborup"}]}