Amazon has Thompson Center Porro Prism Binoculars, 10×50 on sale for $8.75. Shipping is free for Prime members.
- 10×50 – 10x magnification with 50mm objective lenses, BK7 standard Porro Prism for low light situations and 6.5 degree field of view
- Fully coated lenses for drop and wear protection
- Constructed of heavy duty aluminum alloy to withstand rugged use
- Includes Carry bag, neck strap, front and back lens covers and a cleaning cloth