Equipment goods

Cylindrical Lenses

Quantity : 999

Cylindrical lenses are used to correct astigmatism in the eye and in rangefinders, to produce astigmatism, stretching a point of light into a line, they are widely used in bar code scanning, projection optics systems, laser measurement systems and holography.
Cylindrical lenses are available in either plano-concave or plano-convex configurations from Crysmit, Plano-concave lenses have a negative focal length and are used for image reduction or to spread light. Plano-convex lenses have a positive focal length, which makes them ideal for collecting and focusing light for many imaging applications.

Plano-Concave Cylindrical Lens Plano-Convex Cylindrical Lens

Attribute
Specification
Typical Material
N-BK7, H-K9, Fused Silica, N-SF10, etc
Diameter Tolerance (mm)
±0.2 (General), ±0.05 (High Precision)
Focal Length Tolerance (mm)
±2%
Centration
<3 arc min</div>
Surface1 Figure (per 25mm@632.8nm)
λ/2 (General), λ/4 (High Precision)
Surface2 Figure (per 25mm@632.8nm)
2λ (General), λ (High Precision)
Surface Quality
60/40 (General), 10/5 (High Precision)
Bevel (face width x 450)
<0.2-0.5mm (General), 0.05-0.2 (High Precision)</div>
Coating
upon request

Location : 118 Yangqiao Road West,Fuzhou,350002,P.R.China, china fujian ,
Contact : amiee ye,

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Cylindrical Lenses

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France 467000 Stock lots
QUARTZ GRAPHITE CRUCIBLE

Friday, April 07, 2023

Cylindrical graphite crucible works best with a quartz jacket because graphite oxidizes. High purity graphite crucible is good or bad with its material and density. Good graphite crucible doesn't oxidizes easily, so that the production loss is low. Bad graphite oxidation is not uniform...

Pingdingshan Wanhui Graphite Co., LTD

  • 467000 - Pingdingshan
  • 0375 6506966
  • 86 15539792960
France 100084 Medical
Shecare High Precision High Accuracy Digital Thermometer

Thursday, February 01, 2024

Shecare high accuracy thermometer also known as high precision thermometer lasts for more than 16-20 days. This is a non-Bluetooth basic thermometer. Please manually enter the basal body temperature value into the App. This kind of high precision thermometer meets the requirements...

Shecare-ikangtai

  • 100084 - Haidian
  • 86 010 56231097
Indonesia 29422 Search / buy
A4 DOUBLE A COPY PAPER 70GSM, 75GSM, 80GSM

Wednesday, December 14, 2022

Price : USD 0.65 / Ream

SPECIFICATION Brand: Double A (Original) Size: A4 (210mm x 297mm), Legal (Legal 216mm × 356mm), Letter (216mm × 279mm) Substance: 80gsm,75gsm,70gsm Brightness: 102-104% above Color: white Whiteness: CIE167 Grade: All purpose Premium Paper Sheet in Ream: 500 Roughness: 140ml/Min Ream box...

PUTRA

  • 29422 - Batam
  • +627787062288