Vixen 8X40 Wide Field Porro Prism Binoculars - 2" Barlow low focal length astrophotography when

low focal length astrophotography when used in conjunction with a focal reducer (not included)

point the red dot where you'd like to look

Author:  Nicole Mortillaro - Royal Astronomical Society of Canada

a 3/8-16 UNC threaded hole

Vixen 8X40 Wide Field Porro Prism Binoculars - 2" Barlow low focal length astrophotography whenVixen 8X40 Porro Prism Binoculars Looking for a pair of binoculars that combines style, comfort, and performance? Vixens 8X40 ZWCF Porro Prism Binoculars are just the ticket. Whether you're cheering on your favorite team or exploring the great outdoors, these binoculars deliver bright, sharp views with every glance. The BK7 Porro Prisms provide clear, crisp images, while the anti reflection coated optics enhance contrast for better light transmission.