Gold Member Since 2014
Audited Supplier
Danyang Vena Optical Co., Ltd.

Cr-39, Optical Lens, Cr39 Uc manufacturer / supplier in China, offering Optical Cr-39 Uncoated Single Vision Lens Optics, High Quality 1.7 Super Thin and Super Light UV Mineral Glasses Optical Lens, 1.56 Photo Chromic Grey Optical Lens and so on.

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Optical Cr-39 Uncoated Single Vision Lens Optics

Purchase Qty.:
1-9,999 10,000+
FOB Unit Price: US $1 US $0.3
Purchase Qty. (Pieces) FOB Unit Price
1-9,999 US $1
10,000+ US $0.3
Get Latest Price
Port: Shanghai, China
Production Capacity: 10000pair/Per Day
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: CR-39
  • Type: Convex Lens
  • Shape: Single-lens
  • Lenses Color: Clear
  • Customized: Customized
  • Trademark: VENA OPTICAL/ OME
  • Specification: 65mm/70mm
  • HS Code: 90015099
  • Usage: Optical
  • Transmittance: >95%
  • Material: Cr39
  • Certification: RoHS, ISO9001, CE
  • Coating: Uc/Hc/Hmc
  • Transport Package: White Envelop or Customers Logo
  • Origin: Danyang
Product Description
Optical laboratory CR-39 Single Vision lens optics   
Optical laboratory CR-39 Single Vision lens optics  
Product Description
Place of originBrand NameIndexShapeVision EffectCoatingColorDIA
JiangsuChina(mainland)AOMEI1.499SphericalSingle VisionUC\HC\HMCClear50mm - 80mm
Optical laboratory CR-39 Single Vision lens optics
Single vision lenses have the same focal power throughout (top to bottom) and can be used to correct nearsightedness, farsightedness, astigmatism, or a combination of these disorders. Most people who wear glasses before the age of 40 have single vision lenses.
CR-39 is the most common lens material used for eyeglasses, it is lighter in weight and less breakable than glass.  You may tint these lenses almost any color.
Good optics, lighter than glass
Easy to tint
Not good for drill-rimless frame designs
Does not have any built-in UV protection 
Available Power Ranger: 0~-1000(SPH)/0~-200(CYL)
      Off center design: available
      Prism design: available
      Tinting: can be tinted to various colors
      Knife Edge: available
      Glazing: available
1.standard white envelops   
2.customers designs with yourself LOGO for free, if your order quantity is more than 5000pairs.   
3.standard export carton.
1.    FedEx/DHL/UPS/TNT for samples   ,Door-to-Door;
2.    By Air or by Sea for batch goods ,   for LCL or FCL; Airport/ Port receiving;  
3.    Customers specifying freight forwarders or negotiable shipping methods!
4.    Delivery Time   : 3-7 days for samples; 5-25 days for batch goods.

Different coating with different performance, we have Uncoated(UC), hard coating(HC), A/R, M/C, HMC,, Anti-Reflection(EMI), Blue Cut and Mirror coating. Tintied different color with sun glasses is also available.
other Deatails 
Semi-finished and finished
Various coating(UC/HC/HMC+EMI) used to protect eyes from glare can be chosen.
Super Hard Hydrophobic coating can be provide,anti-water,anti-oil,anti-scratch,high impact-resistance
The function of providing blockage of harmful UV400 is avaliable.
Tinted to various fashinable colors.
Photochromic  avaliable
All products meet ISO9001 and CE
Asp design flater and thinner   

Quality Standard
Sphere Tolerance  Cylinder Tolerance 
Power RangeTolerance                     Power RangeTolerance
±0.00−±4.00±0.10 ±0.00 − ±5.00±0.12
±4.25 − ±12.00±0.12 ±5.25 − ±7.00±0.16
±12.25 − ±14.00±0.12 > ±7.25 ±0.25
±14.25 − ±18.00±0.12   
>±18.25 ±0.12     
Long Trem Relationship
We carefully understand clients' needs with each particular case. VENAI is committed to delivering maximum value to clients helping them get better vision. Our mission is to build trust with customers and confidence. 
Production Guarantee
1) Free replacement for any manufacturing defects, such as manufacturing the lenses with incorrect strength, incorrect axis, errors during the handling of purchase order, etc.
2)100% replacement for any damages the optical lens suffered during the course of delivery.
3)For AR Coating, VENA provides:
One year warranty counting from the shipment date and under normal usage condition.
Q1. How is your  quality?
A1. We have a very seriously control system(ERP system). We guarantee the high performance of our products.
Q2. How do you control lens quality?
A2.   Producing process is in vacuum dust-free shop, like prepare material, mixed material and take out    uncoated  optical lens    . 
Every piece lens must go through three time expericed inspectors, uc lens inspection,  hc lens  inspection, then hmc lens inspection.  
Q3. How to check the durability of optical lens coating? 
A3.    After coating, we carry out salt water boiling experiment for optical lens. 
Experiment 1: we put 4 pieces lens into 5% salt boling water for 15 minus, then, check,  if no  coating   drop from lens, or no coating crack performance, the quality is OK. 
Experiment 2: lens in 5% boliling salt water for 2 minus, cold water 1 minus, boil and cold water  times, no coating crack, drop, then ok. 
Q4. How about your optical lens production ability per day ?
A4. . about 40000 pairs/day. 
Q5. How can we be your agent in our country?
A5. Please inform us your detailed company, we will discuss and propose helpful suggestion for you, and to find the best solution for you.
Q6. Do you offer free samples?
A6. Normally we do not offer free samples, but we could  properly adjust according to detailed requirement.
Q7. Is there cheap shipping cost to import to our country?
A7. For small order, Express will be the best, And for bulk order, sea ship way is best but take longer time. For urgent orders, we suggest via air to airport or by Express send to your door.
Q8. Which Express company you send? How many days we can receive?
A8. We are official partner of TNT, it will take only 3-5 days after we sent.
Q9. When you can reply to me when I send you an Inquiry?
A9. We promise to reply within 24 hours( including holidays) on receipt of your inquiry. 
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Miss Tinna Liu
Sales Manager
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