Focal length formulaexample

Maintain crystal-clear visibility with proper cleaning of your spectacles. Also find out which cleaning methods should be avoided so your spectacles last a long time.

Focal length formulafor concave lens

Make your glasses "multifunctional" and choose from proven Rodenstock solutions at your optician for optimum lens durability, more protection against UV rays or dirt and many other options.

Light rays from a beam source, initially in air, are incident on a material of different index of refraction (position is given in centimeters). You can change the curvature of the surface of the material as well as the index of refraction. Restart.

Our passion is lenses – this is where we feel at home for more than 140 years. With the Rodenstock Journal we want to share our enthusiasm and know-how with you and inform you about current news, products, highlights and trends relating to spectacles.

What isfocal lengthof lens

Myopia, hyperopia, dioptre, presbyopia and astigmatism - Rodenstock expert Tom Reiter explains the most important specialist terms in ophthalmic optics.

There are many options when choosing the perfect lenses. So-called coatings help you to enjoy your lenses for a long time. Such an invisible protective coating improves the durability and scratch resistance of the lenses. Self-tinting lenses offer intelligent eye protection for indoors and outdoors. Discover the possibilities.

Physlets were developed at Davidson College and converted from Java to JavaScript using the SwingJS system developed at St. Olaf College.

Focal length formulafor mirror

Our eyes suffer from the increasing screen work. Prevent stressed eyes with tips for relaxed working in the home office.

Focal length formulafor convex lens

As a medical technology company and major manufacturer of spectacle lenses, Rodenstock stands for German engineering of the highest quality. With our lenses, we enable people all over the world to see with the sharpest vision at every moment.

With lenses for glasses from Rodenstock, you are choosing brand quality and German engineering. No matter what your requirements are in everyday life, at work or in your leisure time - here you will find the right spectacles that make every moment worth seeing.

B.I.G. VISION™ FOR ALL is our unique philosophy: We recognize that every person and every eye are unique and different. That’s why we were the first to measure the individual eye and use thousands of data points to produce individual spectacle lenses. Everything you need to know about B.I.G. VISION™ - in our video.

Rodenstock's digital spectacles consultant supports you in making a preliminary selection for the lenses that suit you best, so that you are perfectly prepared for your visit to a Rodenstock partner optician.

©2013 W. Christian and M. Belloni. Released under a Creative Commons Attribution-NonCommercial-NoDerivs LicenseReport bugs or make suggestions to the Physlet User Forum

Focal lengthof lensformula

Are you looking for a Rodenstock partner optician near you? Our optician search will help you. In addition to the address of the optician, you will also find telephone numbers and Internet addresses in the optician search. Enter the desired postal code, the city or just the name of the optician in the search to get the current contact data.

Find the right glasses in just a few steps with our consultation tool. With a few questions about your habits and lifestyle, we guide you through the consultation process to the perfect lenses. The decision for progressive lenses often depends on many different factors. However, it is also worth finding out what other characteristics your lenses should have for the perfect visual experience.