Material: Optical Glass/sapphire
Diameter: 5-120mm
Focal length: 0.1% to 2%
S/D: 80/50 to 20/10
Minimum Order Quantity: 100 Piece/Pieces
Supply Ability: 2000 Piece/Pieces per Month
Payment Terms: T/T,Western Union
Contact Supplier
Packaging Detail: separate protective package, as per request
Delivery Detail: 3-4weeks
Material: Optical glass BK7
Focal length: 0.1% to 2%
Edge thickness: 1mm +/- 0.10mm
Surface quantity: 80/50 to 20/10
Centration: 1 to 3Arc minutes
Clear Aperture>85% of diamete
Optical Sipphire specs.
| Transmission Range | 0.15 to 5.5 microns |
| Refractive Index (table below) | 1 no=1.768 ne=1.760 at 1.06 microns |
| Reflection Loss | 14% at 1.06 microns (2 surfaces) |
| Absorption Coefficient | 0.3 x 10-3cm-1at 2.4µm |
| Restrahlen Peak | 13.5µm |
| dN/dT | 13.7 x 10-6at 5.4µm |
| dN/dµ = 0 | 1.5µm |
Physical | |
| Density | 3.98g/cm3 |
| Melting Point | 2042°C |
| Thermal Conductivity | 27.21 Wm-1K-1at 300K |
| Thermal Expansion | 5.6 (para) & 5.0 (perp) x 10-6/K * |
| Hardness | Knoop 2000 with 2000g indenter |
| Specific Heat Capacity | 419 J Kgm-1K-1 |
| Dielectric Constant | 11.5 (para) 9.4 (perp) at 1MHz |
| Youngs Modulus (E) | 335 GPa |
| Shear Modulus (G) | 148.1 GPa |
| Bulk Modulus (K) | 240 GPa |
| Elastic Coefficients | C11=496 C12=164 C13=115 C33=498 C44=148 |
| Apparent Elastic Limit | 275 MPa (40,000 psi) |
| Poisson Ratio | 0.25 |
| Dislocation dencity | 10-3cm2 |
Chemical | |
| Solubility | 98 x 10-6g/100g water |
| Molecular Weight | 101.96 |
| Class/Structure | Trigonal (hex), R3c |
Model No.: HM-PO026
Features: CONCAVE MIRROR AND CONVEX MIRROR
Model No.: Jingsheng
Features: provide plane lenses/optical lenses/optical glass
1.material:optical lens
2.guarantee the quality
Model No.: 1.56
Features: 1.56 photochromic lens
Index :1.56
color :grey brown ,blue pink purple
none base color
Finished lens
Model No.: 12.7mm,19.05mm,20mm,25.4mm,38.1mm...
Features: American materail,good surface quality, high transmissivity
coating.Unique cylinder polish technique,easily to take heat away
Model No.: F-180
Features: Mobile phone lens
Mobile phone Accessories
Mobile Phone fish-eye lens
180 Fisheye Add-On Lens for Mobile Phone Camera
Model No.: JYC0301285
Features: Lens for iphone
1)magnification:8x
2)field view :246m
3)angle of view:16
4)minimum focus distance :3m
Model No.: L8006
Features: infrared fresnel lens for pir sensor
improve the sensitivity to ir light
good quality
round/flat shapes,small/big
good price
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Features: Used for optical and vacuum instruments and light source.
Model No.: KSS-710A
Features: Lens
Model:KSS-710A optical pick-up unit
all kinds of types are available: KSS-320B, KSS-611A,kss-240A and so on
Model No.: BG33
Features: Great material for optical glass
low co-efficient of expansion,
top surface quality,
competitive price,
2-12mm,15mm,20mm
Model No.: HW-8120
Features: 1.Type:8120
2.Focus:6mm
3.Angle:120
4.Distance:5m
5.Size:12.7mm
Model No.:
Features: fine quality with good price