Head-mounted binocular loupe with variable magnification. Can be used as a regular headlamp by removing the lenses.
Attached to the head with an elastic rubber band.
Lightweight replaceable plastic lenses - set of 5 in a case.
Light source - 2 pcs of white LED. There is no brightness control. Slide switch, on the upper plane of the flashlight.
Power supply for the flashlight: batteries 3 pcs x 1.5 V - R03 (AAA).
The battery compartment is located on the back side of the tape ring, which gives an even distribution of weight.
Changing the magnification is done by installing the appropriate lenses one at a time, or a combination of two lenses. When two lenses are installed, the magnification ratio is summed up.
The magnification ratio of the lenses that come with this binocular model:
It should be borne in mind that the focal length depends on the magnification of the magnifying glass. The larger the magnification, the shorter the focusing distance.
magnification when installing the 1st lens |
focal length, mm |
magnification when installing 2 lenses |
focal length, mm |
x 1.0 |
300-350 |
x 3.0 |
160-180 |
x 1.5 |
240-260 |
x 4.0 |
125-135 |
x 2.0 |
215-235 |
x 4.5 |
110-130 |
x 2.5 |
205-225 |
x 5.0 |
100-120 |
x 3.5 |
135-145 |
x 5.5 |
80-95 |
|
|
х 6.0 |
60-85 |
Completeness:
-
binocular glasses - 1 piece
-
a set of interchangeable lenses in a pencil case - 5 pieces