Name: Card type portable magnifying glass
Magnification: primary mirror 3x, secondary mirror 6x
Primary lens size: 50mm 50mm (including embedded part)
Diameter of secondary mirror: 20mm
Size: 89mm: 57mm 10mm
Material : ABS + optical lens
Light source: LED lamp beads
1. Put the magnifying glass on the reading first, and then slowly raise it until the content of the reading appears clearest and the surrounding images are not deformed
2. Keep a proper distance between the magnifying glass and the reading material, and move them closer or farther together, and choose the most satisfactory field of view
3. Do not move or shake the magnifying glass by a large margin while watching, as it may cause discomfort such as dizziness
4. Do not wipe the lens with chemical syrup to prevent sharp objects fro m contacting the lens surface to avoid scratching the lens
5. Do not expose the magnifying glass directly to the sun and do not use your eyes to focus to avoid bur ning your eyes
Magnification: primary mirror 3x, secondary mirror 6x
Primary lens size: 50mm 50mm (including embedded part)
Diameter of secondary mirror: 20mm
Size: 89mm: 57mm 10mm
Material : ABS + optical lens
Light source: LED lamp beads
1. Put the magnifying glass on the reading first, and then slowly raise it until the content of the reading appears clearest and the surrounding images are not deformed
2. Keep a proper distance between the magnifying glass and the reading material, and move them closer or farther together, and choose the most satisfactory field of view
3. Do not move or shake the magnifying glass by a large margin while watching, as it may cause discomfort such as dizziness
4. Do not wipe the lens with chemical syrup to prevent sharp objects fro m contacting the lens surface to avoid scratching the lens
5. Do not expose the magnifying glass directly to the sun and do not use your eyes to focus to avoid bur ning your eyes
