The window mount at the link below should work with the Redfield Rampage 20-60x80mm Full-Size Spotting Scope Kit.
https://www.opticsplanet.com/hawke-sport-optics-spotting-scope-window-mount.html
Yes, a camera can be mounted onto the eyepiece of this spotting scope. You can use a universal digiscoping adapter or there may be specific adapter available depending on the camera. Please email us at techsales@opticsplanet.com and please provide us with the make and model of camera you are trying to install and we can look into options for you.
No a reticle cannot be installed or used on this spotting scope.
This is made in China.
Redfield has not provided that information, even on their own site. We recommend contacting them directly, they should be able to provide you with that information. You can reach them here: https://www.redfield.com/
Yes, you can see targets at 1000 yards with this scope. As a qualifier however, you will not see bullet strikes at that distance, even with the best spotting scopes, unless you are using reactive targets or high caliber rounds.
It would depend on how far you are from the birds. This might be a bit too powerful, it would be hard to find your target and track it as you move the spotting scope. We would recommend a 8x or 10x binocular instead unless you are viewing at a long distance.
Yes, at 200 yards you should be able to see .223 holes on black targets with this scope.