SR4mm Astronomy Telescope Lens Eyepiece Optical Glass .
Donated by friend for me to list to help my business, so I don't know anything about it and can't answer any questions other than give you lots of pictures, and go by similar items I found. Looks in good condition,item sold as is, thank you
Condition is Used.
Shipped with USPS First Class Package.
Filed under: Eyepieces & Accessories