Steep aspheric lens surfaces produce large angles of refraction and hence short focal lengths. Aspheric lens surfaces can also be free from spherical aberration. For these reasons aspheric lenses produce highly efficient low f/number light condensers. They can be used to collimate or focus a lamp output or to collect radiation from a distant point and condense it onto a detector surface.
Optolife has been in manufacturing aspheric lens for over 15 years and we have a very good reputation. We supply different kinds of parts to large companies around the world.
We have competitive pricing and short lead-time for custom aspherical lenses in prototype or large manufacturing needs.
Because our manufacturing facility is extremely flexible we are just as happy to produce few pieces as we are to produce large volume.
Enquiries for prototypes are welcome.
After buying over 15 Aspheric lens, my best lens came out to be 44mm diameter with a focal length of around 20mm.
What is the shortest focal length you can do for lenses around 45mm?
Do you only AR coat the flat surface of the lens or do you also coat the rounded part?
I am very interested in Aspheric lenses. I have bought many different ones from different manufacturers. Most of them have horrible focus because of an unsmooth dome.
Is PMMA better for perfect focusing? Many glass lens are not perfectly smooth.
Thank you for offering your services in this forum.
$12 + $7 shipping (5 weeks) for a lens. ): I know it is really good quality, but for a flashlight, this is overkill. Even in bulk, the price is too high. Do you have other methods of making the lens to greatly reduce the cost? Try to contact flashlight suppliers to custom build a size to fit an existing flashlight. Not many of us can buy your exsisting lens because they do not fit the lights we want to replace. I really really love aspheric lens, but I will not pay over $10 to get one. Good luck with your sales.
