Knowledge
The magnifying glass as a burning glass
The magnifying glass as a burning glass - a safety risk (burning glass effect). The converging lens of a magnifying glass can focus incident sunlight and thus also its energy...
The magnifying glass as a burning glass
The magnifying glass as a burning glass - a safety risk (burning glass effect). The converging lens of a magnifying glass can focus incident sunlight and thus also its energy...
Diopters and magnification
Magnification of lenses The magnification of lenses is often specified in diopters or with the magnification factor. The higher a positive diopter number, the more the lens magnifies. A simple...
Diopters and magnification
Magnification of lenses The magnification of lenses is often specified in diopters or with the magnification factor. The higher a positive diopter number, the more the lens magnifies. A simple...
What magnification do I need?
Which lens is right for me? The choice of lens is basically based on the intended use. A 3 dpt lens is very versatile. At this magnification, you get a...
What magnification do I need?
Which lens is right for me? The choice of lens is basically based on the intended use. A 3 dpt lens is very versatile. At this magnification, you get a...
How do I clean the lens?
Use a soft, lint-free cloth (e.g. cotton or linen cloth) to clean your lens. Wipe only lightly over the lens surface to avoid scratches.For heavier soiling, you can dampen the...
How do I clean the lens?
Use a soft, lint-free cloth (e.g. cotton or linen cloth) to clean your lens. Wipe only lightly over the lens surface to avoid scratches.For heavier soiling, you can dampen the...