I purchased this item to do some digiscoping with my Newtonian telescope. The adapter is well designed with adjustments for setting up both camera and eyepiece. The only limiting factor is that the camera must have a lens length under 1.75 inches. Other wise there is not enough clearance to the eyepiece. Also due to the fact that the adapter clamps around the eyepiece only larger oculars( 25-32mm) can be used for afocal photography. The adapter is well made of mostly metal construction.
I'm pretty impressed with this little finder. It's simple to calibrate, fits the mount on my Galileo telescope (because they're the exact same telescope) and it's got some nice features. Two brightness levels is handy, especially when you're trying to view smaller objects. You can turn down the brightness and go. Now, I've seen complaints that the dot is large, which is true if you sit at the rear of your telescope. I prefer to look down the sight while I'm close to the focuser. The dot's much smaller and gives you much better accuracy. The build seems reasonably solid for something made completely out of plastic and it mounts nice and tight on the telescope. Overall, I'm very pleased.
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