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• ［Discontinued］Aspheric Plano Convex Lens Edge Thickness 2.8mm 等
• 61-6948-95 ［Discontinued］Aspheric Plano Convex Lens Edge Thickness 2.8mm　AGL-20-31.7P

SIGMAKOKI CO., LTD.

61-6948-95　［Discontinued］Aspheric Plano Convex Lens Edge Thickness 2.8mm　AGL-20-31.7P

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特徴

• By making the convex surface of the plano-convex lens aspherical, a short-focus lens with low spherical aberration has been realized.
• It is used to narrow down the illumination light or to collect the light that emanates from one point efficiently.
• It can be used in a wide range from the visible range to the infrared range with a wavelength of 1.5 μm.
• There are 2 types: AGL-31.7P with reduced spherical aberration by BK7 plano-convex lens and AGL-12P with high NA using high refractive index glass (FDS90).
• Using a special polishing device, it is processed into an aspherical shape.
• Sink marks and scratches caused by pressed products do not occur.
• * When parallel light is incident from the back (plane) side, spherical aberration is large and light does not converge to one point.
• * Since an aspherical plano-convex lens is a single lens, the focal length varies depending on the wavelength.
• * Since the lens is not coated with an anti-reflection film, the transmittance of the lens is less than 90% due to the loss caused by reflection of the front and back surfaces of the lens.

Spec

• [ common specification]
• Material: BK7 FDS90
• Design wavelength: 587nm
• Coating: No coat
• Shape: Nonspherical surface flat convex, double-side polishing surface
• Eccentricity: ＜5′
• Scratch - dig: 60-40
• [Individual specification]
• Material: BK7
• Outer diameter φD: φ20mm
• Focus distance f: 31.7mm
• Back focus fb: 27.7mm
• NA*(D/2 x 0.8/f) : 0.25
• Edge thickness te: 2.8mm
• Center thickness tc: 6mm
• Back: Plane
• *NA is computed using 80% of the outer diameter of a lens.
• RoHS conform product
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Order No.	61-6948-95
Model No.	AGL-20-31.7P
標準価格	JPY: 21,100 USD: 131.28 Excange rate 1USD= 160.72JPY Valid price in Japan
入り数	1piece
在庫数	-

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商品のバリエーション （サイズ違い・スペック違い・オプション品など）

商品イメージ	アズワン品番	商品名	型番		入り数	標準価格	標準価格(ドル)	アズワン在庫 [サプライヤ在庫]
	61-6948-92	［Discontinued］Aspheric Plano Convex Lens Edge Thickness 8.1mm　AGL-15-12P	AGL-15-12P		1piece	JPY: 21,100	USD: 131.28	-
	61-6948-93	［Discontinued］Aspheric Plano Convex Lens Edge Thickness 2.7mm　AGL-15-31.7P	AGL-15-31.7P		1piece	JPY: 21,100	USD: 131.28	-
	61-6948-94	［Discontinued］Aspheric Plano Convex Lens Edge Thickness 5.6mm　AGL-20-12P	AGL-20-12P		1piece	JPY: 21,100	USD: 131.28	-
	61-6948-95	［Discontinued］Aspheric Plano Convex Lens Edge Thickness 2.8mm　AGL-20-31.7P	AGL-20-31.7P		1piece	JPY: 21,100	USD: 131.28	-

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