KW28 10x50B
A good telescope of a high-quality brand uses strictly inspected optical glass and high-level optical processing. It is an excellent choice to enjoy the outdoors. And some small manufacturers use some substandard optical glass, or even ordinary glass or resin lenses to assemble, the products have not been strictly debugged, they are fake and inferior products, attracting customers with low prices, so that customers be violated.
MODELS SPEC. | 10x50 | ||
01 | POWER | 10x | |
02 | OBJ.LENS DIA. | mm | 50mm |
03 | TYPE OF PRISM | Type / Material | BK7 |
04 | PRISM COATING | Yes / No | No |
05 | NUMBER OF LENS | Pieces & Groups | 5pieces3groups |
06 | LENS COATING | CL/FC/BMC/FBMC | MC |
07 | FOCUS SYSTEM | Cent. / Ind. / Fix | Cent. |
08 | FOCUSING LENS | Eye. / Obj. / Int. | Eye. |
09 | EXIT PUPIL DIAMETER | mm | 5 |
10 | EXIT PUPIL DIST. | mm | 12 |
11 | FIELD OF VIEW | ANGLE | 5.6° |
12 | Ft / 1,000Yds | 294 ft | |
13 | M / 1,000M | 98m | |
14 | MIN.FOCAL LENGTH | M / Ft. | 8m/24ft |
15 | RELATIVE BRIGHTNESS | 25 | |
16 | TWLIGHT INDEX | 17.9 | |
17 | RESOLUTION | ≤ 7.5" | |
18 | DIOPTER SYSTEM | Right eyepiece | |
19 | DIOPTER COMP. | ±Optic.Degree | ± 4 |
20 | INTERPUPILLARY DIST. | mm | 56mm~74mm |
21 | ZOOM SYSTEM | Type & Location | |
22 | WEATHER PROOF | Yes / No | yes |
23 | WATER PROOF | Depth / Time | / |
24 | NITROGEN FILLED | Yes / No | No |
25 | EYECUPS SYSTEM | Rubber / Pop-up / Twist-up | Twist-up |
26 | POUCH | Yes / No-Mat'l. | yes |
27 | STRAP | Yes / No-Mat'l. | yes |
28 | CLEANING CLOTH | Yes / No | yes |
29 | SILICA GEL | Yes / No | yes |
30 | UNIT DIAMENSION | mm | 192x70x165 |
31 | UNIT WEIGHT | gm / oz. | 790 |
32 | GIFT BOX SIZE | mm | |
33 | PIECES PER SHIPPING CARTON | Pieces | 10 |
34 | SHIPPING CARTON SIZE | Size | |
35 | GROSS WEIGHT | Kg. / Pound | |
36 | NET WEIGHT | Kg. / Pound |