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Num	Date Posted	Ad Subject	Location	Photo
1	30-Jun-2010	supply wide angle lens	changchun Asia and Pacific - Other	Yes
	Specification of our wide angle lens as follow: 25mm 0.45X wide angle lens 27mm 0.45X wide angle lens 28mm 0.45X wide angle lens 30mm,30.5mm,34mm,37mm,43mm,46mm,49mm,52mm,55mm,58mm,62mm,72mm 0.45X wide angle lens
2	28-Apr-2010	sell spherical lenses	changchun Asia and Pacific - Other	Yes
	Our company offers you a very wide range of optical lenses,including spherical lenses, cylindrical lenses, aspherical lenses, windows, prisms, crystal, mirrors and high precision optical samples etc. In addition,we specilize in customizing photographic lenses and accessories,such as telephoto lens,projector lens,fisheye lens
3	28-Apr-2010	sell Nd:YVO4 Crystal	changchun Asia and Pacific - Other	Yes
	Nd: doping 0.1%,0.2%,0.27%,0.5%,1%,2%,3%,5% Dimension tolerance:+/-0.1mm Flatness: /8l @633nm Surface quality: Scratch/Dig 10/5 Parallelism: better than 20 arc sec. Perpendicularity: better than 15 arc min Angle tolerance: 99.8%@1064nm,R90% central area Transmitting wavefront distortion: less than /8l @ 633nm Quality Warranty Period: one
4	28-Apr-2010	sell Filters	changchun Asia and Pacific - Other	Yes
	Specification of our color filter as follow: Material:Filter Glass,BK7 Dimension: 4mm-160mm - 0.20mm Squares/Rectangles:1mm-165mm Thickness:0.5mm-4mm Thickness tolerance:+/-0.01mm-0.1mm Paralism: Up to 3 Arc minutes Edges:Fine Ground Flatness:Up to Lambda/10 Surface quantity: 80/50-20/10 Scratch/Dig
5	28-Apr-2010	sell waveplates	changchun Asia and Pacific - Other	Yes
	Specification of our waveplate as follow: *Dimension Tolerance:+/-0.20mm to +0.01/-0.01mm *ThicknessTolerance:+/-0.20mmto +/-0.005mm *Surface Quality:80-50 to 10-5 *Flatness: at 633nm lambda -- lambda/20per 25mm *Clear Aperture:80% -- 100% *Parallelism(arc min):3min -- 3sec *Crystals directional precision:5min to 30sec *Bevel:0.3+/-0.20mm* 45degree *No Bevel *Coating R<0.2% *Other wavelengths
6	28-Apr-2010	sell grating	changchun Asia and Pacific - Other	Yes
	Holographic gratings: Specifications: Ruled area: 70% Ruled gratings: Specifications: Ruled area: 70% Concave gratings: Specifications: Ruled area: 70%
7	28-Apr-2010	sell windows( round&square)	changchun Asia and Pacific - Other	Yes
	Specification of our optical windows as follow: *Material: BK7 or other materials *Length tolerance:+/-0.01 *Width tolerance:+/-0.01 *Center thickness tolerance:0.005mm *Surface quality:80-50 to 10-5 Scratch/Dig * :
8	28-Apr-2010	sell prism	changchun Asia and Pacific - Other	Yes
	Specification of our dove prism as follow: *Material: BK7/Quartz *Angles: +/-3 min *Dimension: +/-0.15mm *Flatness:¦Ë/8 *Surface Quality: 20-10 scratch-dig *Clear Aperture: 90%
9	28-Apr-2010	sell lens	changchun Asia and Pacific - Other	Yes
	Specification of our plano-convex spherical lenses as follow: *Material:Bk7 or other materials *Focal length:+/-1% *Length tolerance:+0.0 ~ -0.1mm *Width tolerance:+0.0 ~ -0.1mm *Center thickness tolerance:+/-0.1mm *Surface Figure:lambda/2 at 633nm on plano side *Surface quality:60-40 stratch/dig *Clear Apenture>90% *Chamfer:0.25mm at 45 degree typical *Coating:optional
10	28-Apr-2010	sell cylindrical lens	changchun Asia and Pacific - Other	Yes
	Plano-convex cylindrical lens,plano-concave cylindrical lens,bi-convex cylindrical lens,bi-concave cylindrical lens,meniscus cylindrical lens,long cylindrical lens,special cylindrical lens etc.. Specifiction of our cylinderical lens as follow: *Material BK7 or other optical materials *Dimension Tolerance +0.0 -- -0.1mm *Center Thickness +/-0.1mm *Focal Length Tolerance+/-1% *Surface Quality:20/10 *Surface Figure
11	28-Apr-2010	sell Adapter ring	changchun Asia and Pacific - Other	Yes
	Specification of our adapter ring as follow: *M25,27,28,30,30.5,34,40.5mm,43mm,46mm,49mm to 37mm *M37,40.5,43,49,55,58,62 to 52mm *M52,55 to 58mm *M55,58,62,67 to 72mm *M67,72,77 to 82mm
12	28-Apr-2010	sell optical lens	changchun Asia and Pacific - Other	Yes
	China Star Optics has a strong technical force, brings together outstanding optical design and processing specialists,owns advanced processing equipment and coating equipment,advanced detection equipment. Our company offers you a very wide range of optical lenses,including spherical lenses, cylindrical lenses, aspherical lenses,

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