I'm wanting to record some vision looking through my scope. I stumbled across these and thought it is a cheap option. Then paused and thought about eye relief.
Anyway. let me know if you have used one before and if it is worth the gamble of $15 odd bucks?
https://www.ebay.com.au/itm/Mobile-Phon ... Swy~BZ6Wcy
Cheers
Mulder