Binoculars Delta Optical Entry 7×50
The Delta Optical Entry Series consists of sturdy and durable binoculars, intended for common applications. Represented on the market as a continuation of the Delta Optical Taiga models, They are enhanced by strengthening the structure and improving optics, To continue to delight consumers with their relentless popularity as cheap and solid binoculars.
The Entry 7 model×50 is classic tourist binoculars with universal parameters, which creates brighter and less enlarged images, more suitable for semi-dark observations.
Structurally, Entry series binoculars are much more solid than their originals and other popular binoculars at a similar price. Their whole body is made of aluminum, And for greater comfort, the housing is covered with a tire. Lenses are classic Ahromats with a diameter 50 mm or 40 mm, covered with blue anti -reflex coatings. Binoculars are distinguished by the use of BAK4 glass prisms , thanks to which no darkening of the edges is observed, Characteristic of BK7 glass prisms . Impression is the Solid Bridge of the Enciplary, that does not show a gap or slope and does not change its position when pressed. The eyepieces have rubber capitals, that can be folded down as needed.
Technical characteristics:
+ Catalog number Do-1101;
+ Series: Entry;
+ Increase: 7 times;
+ Lens diameter: 50 mm;
+ Prism type: Porrid;
+ Glass in prisms: Behind 4;
+ Lens: glass;
+ Anti -reflection lens coatings: MC;
+ Angular field of view: 7°;
+ Linear field of view of 1000 m: 122 m;
+ Pupil diameter: 7,1 mm;
+ Departure: 19 mm;
+ Minimum focal length: 8 m;
+ Relative brightness: 50.4;
+ Twilight efficiency: 18.7;
+ Focus adjustment: central;
+ Adjusting the distance between the windows: 54-73 mm;
+ Diopter correction: -/+4;
+ Tripod: 1/4 adapter;
+ Filling with nitrogen: NOT;
+ Waterproof: yes (IPX1);
+ Weight: 844 city;
+ Dimensions: 170x200x68 mm;
+ Warranty period: 24 the month.
The set includes:
+ Glass cleaning towel;
+ Binocular strap;
+ Binoculars;
+ Front lens caps;
+ Rear lens caps.
