Starboosa Variable Extension Telescope Camera Adapter - for Canon SLR Cameras Connected to Telescopes - for Prime- Focus Or Eyepiece-Projection Photography

The product is metal, and is sturdy and well made. I have a 6" Orion Dobsonian, so it only works when you insert an eye-piece inside the adapter, per the instructions in the product description and what was provided. Because of having to insert the eyepieces inside the adapter, It only fits some of my eyepieces, like my 25mm, but not my 40mm.It took a little trial and error to get the 25mm eyepiece to sit correctly in the adapter. You may think it's in all the way, but doublecheck before giving up. If the set screw doesn't hold the eyepiece in place properly, it's probably not all the way in. Once I got it properly assembled, I connected to my Canon 5D4 body and it worked. I was able to get reasonably sharp images.The hard part (no fault of the adapter) was sharpening the image since my old Orion is a beginner telescope and doesn't have fine tuning on the focus dial. I included a short video where you can see me tyring to focus the image in the first few seconds. The clouds didn't help either.Overall, I'm very satisfied and excited to put it to the test on some other objects besides the moon.

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Excellent quality low cost

Item matched the description, received in very good shape, it fits Canon 5D Mark IV perfectly, received earlier than the expected date 👍🏻

Great product good price