Frequently Asked Questions
Q1: When is a BK7 Aspherical Optical Lens preferred over a
spherical lens?
Answer: A BK7 Aspherical Optical Lens is essential when you need to correct spherical aberration in a
fast system (low f-number). If a single spherical lens cannot
achieve the required spot size, a BK7 Aspherical Optical Lens will usually solve the problem by redirecting marginal rays to the
same focal point as the central rays.
Q2: How do you verify the surface accuracy of a BK7 Aspherical
Optical Lens?
Answer: We utilize non-contact profilometers and 3D laser interferometry
to map the aspheric surface. This ensures the BK7 Aspherical Optical Lens conforms exactly to the mathematical polynomial defined in your
design.
Q3: Can the BK7 Aspherical Optical Lens be provided with high-power
coatings?
Answer: Absolutely. We apply Ion-Assisted Deposition (IAD) coatings to the
BK7 Aspherical Optical Lens, allowing it to withstand the high energy densities required in
industrial laser welding and cutting.
Q4: Is the ±0.005mm diameter tolerance available for micro BK7
Aspherical Optical Lens?
Answer: Yes. For micro-optics, we use specialized centering equipment to
maintain the ±0.005 mm tolerance, ensuring the BK7 Aspherical Optical Lens aligns perfectly with fiber optic connectors or micro-sensors.
Q5: Does the BK7 Aspherical Optical Lens have better thermal
stability than plastic aspheres?
Answer: Yes, the glass-based BK7 Aspherical Optical Lens has a much lower coefficient of thermal expansion and higher
melting point than plastic, making the BK7 Aspherical Optical Lens far more reliable in fluctuating industrial environments.
Q: What are your main products or which field do your products be
used?
A: We are specialized in optical design, optical element processing,
lenses assembly. Such as Spherical lens, Aspherical lens,
Cylindrical lens, Reflector mirror, Filter, Rod lens, Camera lenses
etc. Our products are widely used in imaging, laser, lighting
applications.
Q: What's your advantage?
A:- We have about ten thousands optical modules and fixtures in stock,
and employ several outstanding technicians and managers that enable
us to provide customers with excellent quality in short lead times,
while saving development costs.
- We can help customers optimize optical systems and provide free
optical solutions or suggestions.
Q: What's your MOQ?
A: 10pcs.
Q: What's your lead time?
A: 1 day for inventory and 25-35 days for new projects.
Q: What's your shipping type?
A: Usually by FedEx, DHL, TNT, EMS etc or customer appointed.
Q: What's your payment condition?
A: T/T, L/C, VISA, PayPal, Alipay or negotiation.
Q: What's your quality guarantee period?
A: Three years.
Company Profile
Shanghai Advance Optical-Electronics Technology Co., Ltd. is a
technology-based production enterprise, officially established in
September 2009. The plant site is located in Qingpu Industrial
Park, Shanghai, only half an hour's drive from Shanghai Hongqiao
International Airport.
The company gathers several excellent technicians in the optical
industry and has comprehensive supporting capabilities such as
optical mechanical and electrical design, processing and sales
services. We wholeheartedly provide each customer with high-quality
and convenient products and services.
Business Scope
Optical mechanical and electrical module development, precision
optical element processing, camera lens design and processing,
optical design and optical path optimization solutions, technical
consultation and after-sales service.
Application Fields
Machine vision, artificial intelligence, biomedical, smart city,
high-end monitoring, testing instruments, equipment, laser etching,
special lighting, scientific research institutions, etc.
Company Advantages
- Have comprehensive design, production and sales capabilities, and
provide customers with one-stop convenient procurement services
- It has tens of thousands of optical molds and samples, which can
provide customers with fast proofing services with low cost
- Be able to participate in the customer's new product research and
development early, provide feasible plans and suggestions, and make
the project less detours
