With so many types of imaging techniques, all of which have pros and cons, I have developed my own array of camera-to-telescope adapters. All these adapters are custom-machined in a shop to which I have access to.
Since each brand of a DSLR camera has a different type of lens mount (i.e., Canon lenses have different lens mounts to Nikon, and so as with Pentax, Sony, etc.), connecting it a telescope would require a special type of camera-to-telescope adapter called a T-ring and a T-adapter. A T-ring is simply a metal adapter with one end that fits nicely to your lens mount and with the other end that attaches to any T-adapter. The T-adapter is the one that attaches any T-ring to a telescope
Canon S3IS point-and-shoot camera mounted with a T-adapter for afocal astrophotography
Canon Legria FS20 video camera mounted on a special type of adapter for afocal imaging
A special type of a T-adapter called Webcam-to-telescope adapter is used for attaching web cameras directly to focusers of telescopes for prime-focus astrophotography.
Webcam imaging through eyepiece projection method
A universal camera adapter is a device that allows any point-and-shoot camera (and even SLRs) to be attached to any optical system (binoculars, telescope, microscope, etc.). Shown here is my second prototype (EtenyAdapter-2).
Other types of adapters may also be fabricated depending on the particular need of my imaging setup.
For tutorials on how to get started with astrophotography, click here.
For DIY astronomy projects useful for astrophotography, click here.
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© Anthony Urbano (Manila, Philippines)