Beileshi Portable 2 LED Headband Glasses Lupenbrille Lupenbrille / Bi-Plate 11 Vergrößerungen 5 Objektiv

Features:
5 Replaceable/Interconvertible lens with different magnifications marked in the middle
LED light can be rotated about 60 degree and light source box with battery compartment is detachable
Adjustable head band ensures more comfortable and tight head wearing
Light source box can be used separately as lighting source after being dismantled
Widely used in mechanical processing, electronic repair, jewelry appraisal, timepieces repair and miniature engraving, etc

Description:
Super Easy to Adjust. The soft padding and adjustable turn knobs on both sides ensures comfort and tight head wearing.
The compartment is detachable for easy battery replacement.
Perfect Use for Reading and Micro Works. This is perfect for reading, electronic repair, mechanical processing, crafting, jewelry identification. Suitable for workers, engineer, craftsmen, and you.

Specifications:
Sin... lens magnifications: 1.0x, 1.5x, 2.0x, 2.5x, 3.5x
Bi-plate lens magnifications: 3.0x, 4.0x, 4.5x, 5.0x, 5.5x, 6.0x
Magnifications are marked in the middle of lens
Table below denotes the distance proportion between magnifications and viewed objects:
Magnifications Distance to viewed objects
1.0x 300 ~ 350mm
1.5x 240 ~ 260mm
2.0x 215 ~ 235mm
2.5x 205 ~ 225mm
3.0x 160 ~ 180mm
3.5x 135 ~ 145mm
4.0x 125 ~ 135mm
4.5x 110 ~ 130mm
5.0x 100 ~ 120mm
5.5x 80 ~ 95mm
6.0x 60 ~ 85mm
LED: 2 Pieces
Lens: 5 Pieces
Battery: 3 * 1.5V AAA batteries(NOT included)
Head circumference: Adjustable
Lens material: High quality PC
Headpiece material: Environmental protection acrylic
Applications: Timepiece repair, jewelry appraisal, miniature engraving, etc.
Color: White & black
Size: 25.5*20.5*4.7cm/10.03*8.07"*1.84"
1 x Headband Illuminating Magnifier with LED
5 x Lens( with a plastic box)