Sunday, August 28, 2016

20-60x80 Birding binocular Spotting scope give you the biggest birding experience

20-60X80 Spotting scope Performance characteristic:
20-60X80 Spotting scope has clear image and aluminum trunk.20-60X80 Spotting scope is easy to carry, ideal for outdoor uses.20-60X80 Spotting scope is appliable to various fields including game watching,wildlife observation,hiking,scenery watching,shooting practice and so on. 
POWER

20x
60x

OBJ.LENS DIA.
mm
80mm

TYPE OF PRISM
Type / Material
Porro/BK7

PRISM COATING
Yes / No
No

NUMBER OF LENS
Pieces & Groups
7pieces4groups

LENS COATING
CL/FC/BMC/FBMC
BMC

FOCUS SYSTEM
Cent. / Ind. / Fix
Cent.

FOCUSING LENS
Eye. / Obj. / Int.
Int.

EXIT PUPIL DIAMETER
mm
4
1.33

EXIT PUPIL DIST.
mm
18
15

FIELD OF VIEW
ANGLE
1.8°
1.0°


Ft / 1,000Yds
94.2 ft
52.5ft


M / 1,000M
31.4m
17.5m

MIN.FOCAL LENGTH
M / Ft.
6m/18ft

RELATIVE BRIGHTNESS

16
1.77

TWLIGHT INDEX

40
69.3

RESOLUTION

≤2.8"

DIOPTER COMP.
±Optic.Degree

INTERPUPILLARY DIST.
mm

WEATHER PROOF
Yes / No
Yes
WATER PROOF
Depth / Time
1.5m/3min
NITROGEN FILLED
Yes / No
Yes
EYECUPS SYSTEM
Rubber / Pop-up / Twist-up
Twist-up
POUCH
Yes / No-Mat'l.
Yes
STRAP
Yes / No-Mat'l.
No
CLEANING CLOTH
Yes / No
Yes
SILICA GEL
Yes / No
Yes
UNIT DIAMENSION
mm
430x90x165
UNIT WEIGHT
gm / oz.
1,230g
GIFT BOX SIZE
mm
450x115x170mm
PIECES PER SHIPPING CARTON
Pieces
6pcs/ctn
SHIPPING CARTON SIZE
Size
46.5x38x37.5cm
20-60X80 Spotting scope are worth you to purchase.


Image of 20-60x80 Birding binoculars










more detial please http://www.51binoculars.com/

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