Bi-Convex Lenses, China Bi-Convex Lenses, LENS002

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Bi-Convex Lenses

Product Name:Bi-Convex Lenses
Item No.: LENS002
Description:

(Minimum Order Quantity: 20 pcs forφ≥100mm, 50 pcs forφ<100mm )

These lenses have large range of lengths and are the optimum shape for producing real images at 1:1 magnification. In a single lens application you should consider using them in preference to a single plano-convex lens if the magnification lies in the region -5 <-0.2. Our optical designers are always available to assist with your special needs and our production in China is ready to meet your quantity requirements.

Specifications
Diameter	φ4－φ300mm
E.F.L.	At the request of customers
Wavelength(λ)	At the request of customers
Material	BK7 (K9) or as requested
Clear Aperture	>90%
Bevel	(0.25-1.0)mm× 45°(depends on the diameter)
Diameter Tolerance	+0.0/-(0.1-0.2)mm (depends on the diameter)
Focal Length Tolerance	±2%
Centering Tolerance	4’ or as requested
Surface Figure	λ/4 or as requested
Surface Quality	60-40 s&d or as requested
C.T. Tolerance	±(0.1-0.25)mm (depends on the diameter)
E.T. Tolerance	Reference
Coating	At the request of customers

We specialize in production of medium to large-size series of custom lenses with exacting tolerances, high-grade surface finish and difficult coatings. Please send us your specification or drawing and we will be happy to return a quotation ASAP. Our average response time is within 24 hours.

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