Oberwerk type quality Series 25X100 waterproof long distance big binoculars
The new 25x100mm Deluxe is ideal for serious binocular astronomy or long-range terrestrial viewing on a budget. Available in your choice of CF (center-focus) or IF (individual focus). The CF model is the largest and most-powerful binocular on the market that has center-focus, which is a big advantage when viewing a moving target. New prism mounting system uses precision floating plates (as found on our Ultra Series), which do a better job of maintaining alignment than common prism-tilt systems. Features fully broadband multi-coated optics (all air-to-glass surfaces, including prisms), rubber-armored all-metal waterproof construction (nitrogen filled), braced and hinged objective tubes, and built-in mount. This binocular has a 2.4° field of view, with very good sharpness across the entire field. The CF eyepieces have twist-up eyecups, the IF has fold-down eyecups- both can be used with glasses (usable eye relief is an adequate 12mm). Includes objective covers, ocular caps, and our exclusive Heavy-Duty aluminum-frame case!

25X100 outdoor long distance big binoculars

Magnification 25

Objective diameter(mm) 100mm

Prism Type Porro/BAK4

Number of Lens 7pcs/5groups

Lens Coating FMC-Full broadband Multicoatings

Angle of View 2.4°

Field of View 43m/1000m,131ft/1000yds

Exit Pupil Diameter(mm) 4mm

Eye Relief(mm) 17.34mm

Relative Brightness 16

Twilight Index 250