Zeiss DIALYT 18-45X65 Field Spotter Hunting in mountains typically requires lightweight equipment that is easy to access and deploy. This is why many back-country hunters like the associated benefits of straight body spottings scope designs. The challenge in using a more compact spotting scope is to be able to view and determine your target at longer ranges. For this reason we offer the Dialyt 18-45x65 "field spotter". The Dialyt affords smaller dimensions, lightweight mono-bloc construction, as well as field-proven reliability and durability design. You can rely on the Dialyt in the toughest conditions for absolute precision in your game observation. The waterproof design makes the Dialyt 18-45x65 ready for use at any time simply pull it from your backpack and start viewing. The ease of operation, the robust rubber armor and the detailed imagery are what has helped establish this spotting scope as a true ZEISS classic. Performance Magnification 18-45 × 65 Effective lens diameter 65 mm Exit pupil diameter 3.6-1.4 mm Field of view at 1,000 m (yds) 40-23 m (120-69 ft) Close focusing distance 10 m (32.8 ft) Features LotuTec | Nitrogen filled -|+ Water resistance 100 mbar Physical Length 395 mm (15.6in) Weight 1,195 g (42.2 oz)