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Shenzhen Wilkes Optoelectronics Co., Ltd
OptoSigma 45mm Confocal Objective Lens
NegotiableUpdate on 05/06
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Overview
The 45mm focal length working distance objective lens (EPL/EPLE series) of Sigma Optosigma is a high-performance optical solution. This series of objectives (EPL-5 to EPLE-100) adopts a 45mm focal length design, with a magnification coverage of 5x to 100x, ensuring that there is no need to repeatedly focus when changing lenses, greatly improving detection and processing efficiency. Its special working distance (such as 11.1mm for EPLE-20) is laser processing head, OptoSigma 45mm autofocus objective lens
Product Details
Long working distance objective lens with a focal length of 2-100 x, focal length of 2-40mm, and a focal length of 45mm, with a discount limit
Sigma optical machine（Optosigmaof45mmFocal length working distance objective lens（EPL/ EPLEThe series is a high-performance optical solution. This series of objective lenses（EPL-5toEPLE-100）Adopting45mmFocal length design, magnification coverage5xto100xEnsure that there is no need to repeatedly focus when changing mirrors, greatly improving detection and processing efficiency. Its special working distance (such asEPLE-20of11.1mm）Provides ample operating space for laser processing heads, coaxial observation, and automated focusing systems. The lens is designed specifically for visible light（400-700nm）Optimization,45mmLong working distance autofocus objective combines high resolution and low chromatic aberration, suitable for industrial microscope observation, visible laser focusing, and integrated applications with coaxial illumination units. It is a reliable and efficient optical core component in precision manufacturing, semiconductor testing, and scientific research fields.OptoSigma 45mm Confocal Objective Lens
45mmConfocal objective lens in the visible spectrum region（400~700nm）Internally corrected color difference.EPL/EPLEThe objective lens has a lightweight structure and is used for autofocus and other purposes, which can improve the driving mechanism of the objective lens（SFS-OBL/SFAI-OBL）The response speed. It can be used in coaxial observation systems or laser guided optical systems, and is an infinitely conjugate long-distance objective lens. It can be used for microscopic observation and also for the convergence of visible lasers.
Sigma optical machine45mmFocal length working distance objective lensTechnical parameter table:
Effective aperture=2X focal length xNA
model |
rate(times) |
NA |
working distanceWD (mm) |
focal lengthf (mm) |
resolution(μm) |
Depth of Focus(μm) |
Pupil diameter(mm) |
(φ24eyepiece) (mm) |
field of view(1/2type) (mm) |
self-respect(kg) |
EPL-5 |
5x |
0.13 |
11.6 |
40 |
2.1 |
±16.3 |
φ10.4 |
φ4.8 |
0.96×1.28 |
0.085 |
EPL-10 |
10x |
0.3 |
6.4 |
20 |
0.9 |
±3.1 |
φ12.0 |
φ2.4 |
0.48×0.64 |
0.085 |
EPLE-20 |
20x |
0.4 |
11.1 |
10 |
0.7 |
±1.7 |
φ8.0 |
φ1.2 |
0.24×0.32 |
0.085 |
EPLE-50 |
50x |
0.55 |
8.2 |
4 |
0.5 |
±0.9 |
φ4.4 |
φ0.48 |
0.10×0.13 |
0.095 |
EPLE-100 |
100x |
0.8 |
2 |
2 |
0.3 |
±0.4 |
φ3.2 |
φ0.24 |
0.05×0.06 |
0.105 |
Long working distance autofocus objective lens45mm,45mmFocal length objective lensEPL/ EPLEProduct Application Information
- OptosigmaEquipped with a fixed objective lens holder（LHO-20.32）
-If you need to45mmPlease consult the sales department when fixing the focal lens on the crosshair bracket.
-45mmWhen using the focal length long working distance objective lens as a laser processing objective lens, our company also supplies coaxial illumination observation units（OUCI-2）Color separating prism for laser import（DIMC）
Optosigma/Sigma optical machine45mmLong working distance autofocus objective lensEPL/ EPLEPrecautions for use
-When using the objective lens for laser processing, please adjust the diameter of the incident beam（1/e2）Used when expanding to about half the pupil diameter. When the incident beam is too thin, a very small focused spot cannot be obtained, and the energy density of the laser will increase, which may also damage the objective lens.
-When using an objective lens for laser processing, the powder splashed during processing may contaminate the mirror surface of the objective lens.
-The magnification is for usef＝200mmThe numerical value when imaging the mirror. When using imaging mirrors from other manufacturers, the magnification may be different. Firstly, it is necessary to confirm the focal length of the imaging lens used, and calculate the actual magnification based on the ratio of the focal length of the imaging lens to the focal length of the objective lens.
SigmakokiWorking distance autofocus objective lens45mmTransmittance wavelength characteristic diagram（T: Transmittance rate)
OptosigmaLong working distance autofocus objective lens45mmOutline drawing:
OptoSigma 45mm Confocal Objective Lens
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