Thanks to these glass lenses, I was able to truly understand the principles of optics and light. The high-quality material ensures clear and accurate results .They are perfect for any science classroom or laboratory setting. The only downside is the price, but the investment is worth it in the long run. As a new buyer in the Industrial and Scientific category, i highly recommend these lenses for anyone looking to improve their knowledge and skills in optics. Thanks to my knowledge gained in…