DESCRIPTION:
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The NJC-4 Lensmeter is used to measure the
diopters of spherical lens and cylinder lens, the axis of cylinder lens, the
strength and the baseline direction of shuttle lens, it can also stamp the
optical center of lens, the axis of cylinder len adn the base direction of
shuttle lens.
This instrument (Both Ac and Dc are permitted Two cells When Dc) has clear
readings and graduations as well as high objective precision and reliabilities
except that it can be operated easily and conveniently, AU the lenses and the
made glasses can be measured by it, which, therefore, is a required and ideal
measuring instrument for glasses manufactures, glasses stores and
ophthalmological hospitals.
Features:
1. Can measure Sphere, Cylinder power, Cylinder axis, prism power and baseline
direction. Can also mark the optical center of lens as well as axis and base
direction of cylindrical lens.
2. Cardinal point can be adjusted by compensator.
3. Compliant with both AC and DC
4. Clear graduation. High Accuracy. Easy operation. Excellent reliability.
Specification:
|
Model
|
NJC-4
|
|
Vertex Power Range
|
-20D~+20D(0.12D )
|
|
Cylindrical Axis
|
0 -180° Step: 1°
|
|
Prismatic Power
|
5 diopters Step: 1 diopter
|
|
Lens Diameter
|
20- 80 mm
|
|
Eyepiece Focusing
|
-5D ~ +5D
|
|
Machie Size
|
220x120X430mm
|
|
Power Supply
|
DC 3 V; AC 220V/110V
|
Package Includes:
1 x NJC-4 Lensmeter
(2
X #5 AA BATTERIES NOT INCLUDED!)
|
SHIPPING:
International Buyers Please Note:
A. Import duties, taxes and charges are not included in the
item price or shipping charges.
These
charges are the buyer responsibility.
B. Please check with your country customs office to determine what
these additional costs
will be prior to bidding/buying.
|
China to United
States, by ePacket :
|
|
Business Days
(not+ holidays)
|
≦5
|
6 to 10
|
11 to
17
|
18 to
25
|
26 to
32
|
>32
|
|
United States
|
Arrived Rate
|
4.90%
|
39.20%
|
39.10%
|
11.40%
|
4.40%
|
Contact Seller
|
|
China to
Other Countries, by China Post Registered
Parcel:
|
|
Country
|
Estimated Delivery Time
|
|
Business Days
(not+ holidays)
|
5 to 9
|
10 to
16
|
17 to
20
|
21 to
25
|
26 to
30
|
>31
|
|
United Kingdom
|
Arrived Rate
|
4.90%
|
37.20%
|
39.10%
|
13.40%
|
4.40%
|
Contact Seller
|
|
Australia
|
Arrived Rate
|
6.40%
|
29.20%
|
46.30%
|
10.20%
|
7.10%
|
Contact Seller
|
|
Canada
|
Arrived Rate
|
3.30%
|
34.20%
|
40.90%
|
16.80%
|
3.90%
|
Contact Seller
|
|
Expedited Int'l Shipping:
|
|
Fedex,DHL,UPS,TNT and EMS courier,7-10 Business Days
|
|
