The Carson Trek 8x21mm Mini-Compact Binoculars TK-821 are value-packed binoculars with fully multi-coated lenses that reduce internal glare, reflection, and assure crisp, bright images. These Carson binoculars have a center focus knob with an imageindependent right diopter adjustment for maximum focusing flexibility. The lens barrels on these binoculars by Carson also fold in to create an extremely compact design.
Objective Lens: 21mm
Prism Type: BK-7
Lens Coating: Fully Coated
Field of View: 365 ft. @1000 yards
Eye Relief: 10.5mm
Minimum Focus: 15ft.
Dimensions: 3 3/4 x 5 1/2 x 1 1/2 inches
Features of Carson Trek 8x21 Compact Binoculars:
Mini and compact
Fully multi-coated lenses
Center focus knob with an independent right diopter adjustment
Lens barrels fold in
Carson Trek 8x21mm Mini-Compact Binoculars TK-821