What is led optical lens function？
LED lights are a kind of energy-saving and environmentally [...]
What is led optical lens？
LED optical lens refers to a kind of optical [...]
What is a optical positive meniscus lens？
A optical positive meniscus lens consists of two surfaces [...]
What is a optical zinc selenide znse meniscus lens?
Zinc selenide meniscus(znse meniscus laser lens) lenses are zinc [...]
What types of optical lens processing machines ？
1.Optical Lens CNC lathes CNC lathe is one of [...]
Principle and Use of Glued Achromatic Lens
An achromatic lens is a lens consisting of two [...]
The Role of Optical Roof Prisms Lenses
A roof prism is an optical element commonly used [...]
Which is better, Paul’s Prism or Roof Prism?
Paul prisms and roof prisms are common optical instruments, [...]
Photography Creative Weapon: Triple Prism
The role of the triple prism A triple [...]
What is the difference between ball lens and half lens ？
I. Basic Conception Of Ball Lens And Half Ball Lenses [...]