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