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檢視所有 6 產品系列

25mm Dia. x -25mm FL, Commercial Grade, Double-Concave Lens

Stock #27-986 Clearance
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NT$673
Qty 1-5
NT$673
Qty 6-49
NT$538
Qty 50+
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Diameter (mm):
25.00 +0.00/-0.10
Diameter Tolerance (mm):
+0.00/-0.10
Effective Focal Length EFL (mm):
-25.00
Back Focal Length BFL (mm):
-26.19
Coating:
MgF2 (400-700nm)
Coating Specification:
Ravg ≤1.75% @ 400 - 700nm
Substrate:
N-SK18
Clear Aperture CA (mm):
24.00
Center Thickness CT (mm):
4.00
Center Thickness Tolerance (mm):
±0.10
Centering (arcmin):
6.00
Edge Thickness ET (mm):
8.62
f/#:
1.00
Focal Length Specification Wavelength (nm):
587.6
Focal Length Tolerance (%):
±1
Numerical Aperture NA:
0.5
Radius R1 (mm):
32.69
Type:
Double-Concave Lens
Wavelength Range (μm):
0.4 - 0.7
RoHS:

產品系列說明

Double-concave (DCV) lenses have two inward, equally curved surfaces and a negative focal length. They are used for image reduction and to spread light. MgF2 anti-reflection coating offers improved transmission in the visible spectrum.

Commercial Grade MgF2 Coated Double-Concave (DCV) Lenses offer commercial quality, at an affordable price. Commercial grade optics have standard designs and are available on an ongoing basis. They are recommended for volume buyers or OEMs.

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