Collecting listings has surprises
Description It is not easy to get deformed.
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If you are looking for professional optical lens, then your research is over here. That’s because our product can meet your need. Adopted of premium material, it is practical and durable for long time use
Features
-With edge/edge thickness: 2.0mm
-Also suitable for reading newspapers, books, magazines, maps, science, jewelry, inspection, rocks, handicrafts and so on.
-Diameter: 42mm
-Excellent for physics classroom demonstrations in optics and light refraction.
-Magnification: 4.7 times
-Highly polished with ground edges, will not hurt your hands when use it.
-Center thickness: 7.5mm
-Light transmittance: above 93%
-Focal length: 68mm
-Temperature: -30℃+85℃
-Object distance: 53mm
-Made of premium and high-class material, which is durable and wear resistant.
-There are sufficient quantities to meet your replacement and usage needs.
-Color:Transparent
-Material:
-Size:4.20X4.20X0.75cm/1.65X1.65X0.29in
magnifier lens