This is the Scopetronix Digi-T system for 49mm cameras, part #DT-17.
This package includes the Scopetronix Digi-T ring designed to fit some (not all) 1.25 inch eyepieces, a 49mm - T adapter ring, and an Allen wrench used to tighten the Digi-T to the eyepiece. I purchased this four months ago for $59.99 and have used it twice. I am asking $30 + $3 shipping. If your camera does not have a 49mm thread, I am asking $20 + $3 shipping for the Digi-T ring and Allen wrench alone, but I would like to wait a few days to see if anyone is interested in the complete package. I'll ship on receipt of a money order or on clearance of a personal check - sorry, no Paypal. There may be a 1-2 day delay in shipping, as I am selling several accesories right now, and want to minimize seperate trips to the post office. Thank you.