Basic Info.
Model NO.
D8.5F2.2
Material
Optical Glass
Lenses Color
Clear
Certification
RoHS, ISO9001, CE, TUV
Customized
Customized
Coating
Coating:Ar or Bbar ,Customized
Raw Material
H-K9l,K9 or Customized
Surface Flatness
< λ/5 @ 633nm
Scratch/Dig
< 40/20
Eccentricity
≤ 1arcmin
Focal Length Tolerance
< ± 1%
Diameter Tolerance
< + 0.00/ - 0.02mm
Thickness Tolerance
< ± 0.05
Clear Aperture
≥ 95% of Diameter
Diameter Range
5~260mm
Shipping
Express/by Sea/by Train/by Air
OEM Services
Available
Sample Services
Available
Delivery Time
Depens on Qty, Normally 10-30days Production
Transport Package
Air Cushion Wrapped Carton Packaging.
Specification
Raw Material: H-K9L or customized as your needs.
Trademark
Oplens
Origin
Chengdu, Sichuan, China
HS Code
9001909090
Production Capacity
200000PCS/Month
Product Description
High Precision H-K9L UV Optical Zoom Aspheric Lens For Microscope
A sphere is defined by a single radius of curvature. Aspheric Lens have at least one aspherical surface. Optical engineers generally think of aspheric surfaces as aspheric, rotationally symmetric surfaces. The radius of curvature of the aspheric surface varies gradually from the center of the lens to the edge. 
The surface profiles of aspheric lenses are not a portion of a sphere or cylinder. Their curvature radius varies with the central axis. Aspheric lenses have unique advantages over spherical lenses. For example, they can improve optical quality, reduce optical components and design costs. They are widely used in optical instruments, images and optoelectronics industries, such as digital cameras, CD players and high-end microscopic instruments.
Difference between aspheric lenses & spherical lenses: 
FAQ?
Q1:Can you send me free samples or Can i have an sample order ?
A: Yes, We accept sample orders, and we're also willing to send you free sample to test and check its quality . if we don't have the item in stock , then you could place an sample order.
Q2: How many days can i get my package after placing order?
A: If the order needs customized also the quantity is big. it will take around 10-30 wroking days to produce then shipping.
Q3: OEM services available?
A: Sure, please send us your design paper on platform to confirm more details information.
Q4:We have a commercial project,Can you help me offer an optical design solution ?
A:Yes, we have professional experts who are engaged in optical design for many years , please send us more detail of your project,we will supply our most suitable solutions for you.
Q5: What shipping methods do you have?
A: For small quanities or sample could by express such as: Fedex, UPS, DHL, EMS, etc. Large scale quantity in your demands:by sea/train ,or by air.In your requests.
The surface profiles of aspheric lenses are not a portion of a sphere or cylinder. Their curvature radius varies with the central axis. Aspheric lenses have unique advantages over spherical lenses. For example, they can improve optical quality, reduce optical components and design costs. They are widely used in optical instruments, images and optoelectronics industries, such as digital cameras, CD players and high-end microscopic instruments.
Difference between aspheric lenses & spherical lenses:
Aspheric Lenses: Advantages & Disadvantages
In a nutshell, aspheric lenses have the following advantages:
They provide a thinner profile
They are lightweight and comfortable
They could be fit into most frames so you have a wide choice of styles
They have a more natural and pleasing appearance
They don't make your eyes look too big or too small
They provide a better peripheral vision by eliminating distortion
In a nutshell, aspheric lenses have the following advantages:
They provide a thinner profile
They are lightweight and comfortable
They could be fit into most frames so you have a wide choice of styles
They have a more natural and pleasing appearance
They don't make your eyes look too big or too small
They provide a better peripheral vision by eliminating distortion
FAQ?
Q1:Can you send me free samples or Can i have an sample order ?
A: Yes, We accept sample orders, and we're also willing to send you free sample to test and check its quality . if we don't have the item in stock , then you could place an sample order.
Q2: How many days can i get my package after placing order?
A: If the order needs customized also the quantity is big. it will take around 10-30 wroking days to produce then shipping.
Q3: OEM services available?
A: Sure, please send us your design paper on platform to confirm more details information.
Q4:We have a commercial project,Can you help me offer an optical design solution ?
A:Yes, we have professional experts who are engaged in optical design for many years , please send us more detail of your project,we will supply our most suitable solutions for you.
Q5: What shipping methods do you have?
A: For small quanities or sample could by express such as: Fedex, UPS, DHL, EMS, etc. Large scale quantity in your demands:by sea/train ,or by air.In your requests.