|Focal length||10 mm|
|Diameter Size||20 mm|
|groove pitch||0.3 MM |
| || |
Different types of lenses are used on different productsm,when you need
them that please chat with us in any time!
1. About warranty And after-sale service
We will give our customer a best after-sale service , So we will offer one year warranty for most of our products and professional technical support .
If you have any question for your test ,please contact with us in any time!:)
2. Feature and advantages:
Best advantage is : we are factory ,so we have so many lenses withdifferent size and with low price ,what's more ,we canmake mould by ourselves, so we can customize fresnel lens according to your design.
1) High light transmittance
2) Hihh efficiency in focusing
3) We can provide customer fresnel lens,because we can make mould by ourselves
4) 10 years professional induction and design
5) High quality and competitive price
6) Good after-sales service