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Mounted Molded Glass Aspheric Lenses

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Overview

These mounted Geltech® molded glass aspheric lenses are a very economic choice for collimating or focusing light at high magnification. They are made from low dispersion materials and are suitable for applications include fiber coupling, collimating laser diodes, and laser scanning.

Threaded stainless steel mounts
Aspheric surface reduces spherical aberration
Visible or NIR anti-reflective coatings
Economical choice for collimating or focusing light

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Products

Showing 22 of 22 total products

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Compare	Model	Lens Shape	Antireflection Coating	Diameter¹	Effective Focal Length (EFL)	Numerical Aperture	Availability	Price	Brand
KGA080-A-MT Mounted Aspheric Lens, Molded Glass, 6.325 mm, 3.89 mm FL, 350-700 nm $157.00 In Stock	KGA080-A-MT Mounted Aspheric Lens, Molded Glass, 6.325 mm, 3.89 mm FL, 350-700 nm	Bi-Convex Aspheric	350-700 nm	6.35 mm	3.89 mm	0.55	In Stock	$157.00	Newport
KGA080-B-MT Mounted Aspheric Lens, Molded Glass, 6.325 mm, 3.89 mm FL, 600-1050 nm $157.00 Contact Us	KGA080-B-MT Mounted Aspheric Lens, Molded Glass, 6.325 mm, 3.89 mm FL, 600-1050 nm	Bi-Convex Aspheric	600-1050 nm	6.35 mm	3.89 mm	0.55	Contact Us	$157.00	Newport
KGA110-A-MT Mounted Aspheric Lens, Molded Glass, 7.20 mm, 6.24 mm FL, 350-700 nm $157.00 2 Weeks	KGA110-A-MT Mounted Aspheric Lens, Molded Glass, 7.20 mm, 6.24 mm FL, 350-700 nm	Plano-Convex Aspheric	350-700 nm	7.2 mm	6.24 mm	0.4	2 Weeks	$157.00	Newport
KGA110-B-MT Mounted Aspheric Lens, Molded Glass, 7.20 mm, 6.24 mm FL, 600-1050 nm $157.00 In Stock	KGA110-B-MT Mounted Aspheric Lens, Molded Glass, 7.20 mm, 6.24 mm FL, 600-1050 nm	Plano-Convex Aspheric	600-1050 nm	7.2 mm	6.24 mm	0.4	In Stock	$157.00	Newport
KGA220-A-MT Mounted Aspheric Lens, Molded Glass, 7.20 mm, 11.0 mm FL, 350-700 nm $142.00 In Stock	KGA220-A-MT Mounted Aspheric Lens, Molded Glass, 7.20 mm, 11.0 mm FL, 350-700 nm	Plano-Convex Aspheric	350-700 nm	7.2 mm	11.0 mm	0.25	In Stock	$142.00	Newport
KGA220-B-MT Mounted Aspheric Lens, Molded Glass, 7.20 mm, 11.0mm FL, 600-1050 nm $142.00 In Stock	KGA220-B-MT Mounted Aspheric Lens, Molded Glass, 7.20 mm, 11.0mm FL, 600-1050 nm	Plano-Convex Aspheric	600-1050 nm	7.2 mm	11.0 mm	0.25	In Stock	$142.00	Newport
KGA230-A-MT Mounted Aspheric Lens, Molded Glass, 6.325 mm, 4.51 FL, 350-700 nm $142.00 In Stock	KGA230-A-MT Mounted Aspheric Lens, Molded Glass, 6.325 mm, 4.51 FL, 350-700 nm	Plano-Convex Aspheric	350-700 nm	6.35 mm	4.51 mm	0.55	In Stock	$142.00	Newport
KGA230-B-MT Mounted Aspheric Lens, Molded Glass, 6.32 mm, 4.51 mm FL, 600-1050 nm $142.00 In Stock	KGA230-B-MT Mounted Aspheric Lens, Molded Glass, 6.32 mm, 4.51 mm FL, 600-1050 nm	Plano-Convex Aspheric	600-1050 nm	6.35 mm	4.51 mm	0.55	In Stock	$142.00	Newport
KGA240-A-MT Mounted Aspheric Lens, Molded Glass, 9.94 mm, 8.00 mm FL, 350-700 nm $142.00 In Stock	KGA240-A-MT Mounted Aspheric Lens, Molded Glass, 9.94 mm, 8.00 mm FL, 350-700 nm	Plano-Convex Aspheric	350-700 nm	9.9 mm	8.0 mm	0.5	In Stock	$142.00	Newport
KGA240-B-MT Mounted Aspheric Lens, Molded Glass, 9.94 mm, 8.00 mm FL, 600-1050 nm $157.00 In Stock	KGA240-B-MT Mounted Aspheric Lens, Molded Glass, 9.94 mm, 8.00 mm FL, 600-1050 nm	Plano-Convex Aspheric	600-1050 nm	9.9 mm	8.0 mm	0.5	In Stock	$157.00	Newport

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Notes:

Diameter of aspheric lens inside the housing

Specifications

Features

Advantage of Aspheric Lenses

In applications that require large acceptance angles, such as light gathering for illumination, spherical lenses are unsuitable due to spherical aberration, or the effect of refractive power of a spherical surface becoming greater with increasing aperture. Aspheric lenses maintain constant focal length or very high NA, avoiding the need for multiple elements to correct spherical aberration. This simplifies system design by reducing weight and component count. It also results in less transmission loss, and less ghosting due to having fewer surfaces. The primary drawback of aspheric lenses is off-axis performance is poor. This is not a problem for coupling to and from optical fibers or collimating light sources, but aspheric lenses are not usable over a wide field of view.

Molded Glass Aspheric Construction

These Geltech lenses are made from Corning C0550 glass, which features low dispersion (Vd=50.40). Typical applications include fiber coupling, laser diodes, medical lasers, optical data storage, and barcode scanners. The lenses are available in both unmounted and mounted versions.

Stainless Steel Mounted Version

These mounted Geltech lenses feature a stainless steel 304 holder with a threaded exterior, M9x0.5 or M12x0.5. The numerical aperture is the same as the corresponding unmounted lens, but the working distance is slightly different. Aspherical Lens Adapters UPA1-AS9 and UPA1-AS12 are available to mount them into standard 1 in. optical mounts.

Accessories

Mounting Adapters for -MT Version

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	Compare	Description	Compatibility	Drawings, CAD & Specs	Avail.	Price
		UPA1-AS9 Aspherical Lens Adapter, KGA Series, M9 x 0.5 Thd.	UNIVERSAL		In Stock	$30.00
		UPA1-AS12 Aspherical Lens Adapter, KGA Series, M12 x 0.5 Thd.	UNIVERSAL		In Stock	$30.00