Convex Aspheric elements are widely used to reduce aberrations, aspheric lens is ideal for light collection, projection, illumination, detection, and condensing applications.
VIS coating option provides less than 1.5% reflection from 425 – 675nm. NIR coating option provides less than 1.5% reflection from 600 – 1050nm. Contact our sales department for volume pricing or for help specifying a custom aspheric lens.
Aspheric Lens
Bi Convex Aspherical Lens,Molded Glass Aspheric Lens,Convex Aspherical Lenses,Aspheric Condenser Lens China Star Optics Technology Co.,Ltd. , https://www.realpoooptics.com
Aspherical Lens specification
Machining scope
φ5-200mm+0/-0.2
Material
All kinds of optical glass and infrared materials aspheric(silicon,germanium,crystals etc.)
The face accuracy
P-V<0.3 muon m
Surface quality
20/10-40/20
Production capacity
2000 pieces per month
What are the security levels of the anti-theft door lock cylinder?
[ Pacific Security Network News ]
When we usually buy locks, we must not look at the design of the key handle. The most important thing is the design of the key itself!
Class A lock
At present, the A-level anti-theft lock key on the market mainly has a word key and a cross key. The internal structure of the A-class lock cylinder is very simple, limited to the change of the marble, and the marble groove is small and shallow. The anti-technical opening time is extremely high within 1 minute. The marble structure is a single row of marbles or a cross lock.
Class B lock
The B-class lock key is a flat-panel key with a double-row marble slot. The difference with the A-class lock is that there is a row of curved and irregular lines on the key surface. The main types of lock cylinders are 3 types, computer double-row lock core, double-row crescent lock core, double-sided vane lock core. The anti-technical opening time is 5 minutes, and the mutual opening rate is high. With a strong twist tool, the lock cylinder can be opened in 1 minute.
Lock God Super C lock
The shape of the key is the front and back blade structure key slot, and the lock core type is a double-sided column lock core; it can not be opened by the Ministry of Public Security for 800 minutes, and the regional mutual opening rate is zero (one hundred billionth). The blade structure is 48 blades and double-sided column locking; if the lock cylinder is opened with a strong twisting tool, the inner core of the lock cylinder is broken and self-explosively locked, resulting in failure to open.
Teach you how to pick the lock:
Buy a lock to see the "teeth" of the key. The more teeth, the deeper the teeth, the more complicated the arrangement, the more difficult it is to open, and the better the anti-theft performance.