Oberwerk’s binoculars is really a pair of 5-inch refractors
The main feature of the BT-127XL-SD is the pair of 5-inch apochromatic lenses, which are among the largest available for binoculars. Credit: Oberwerk I have always enjoyed looking at the sky on a clear night through binoculars. Seeing through individual optics for each eye creates a feeling of being in space. It’s different than looking … Read more