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Objective lenses are like magic glasses for microscopes. They are the lenses closest to the tiny things we want to see. Different objective lenses have other powers to zoom in and show these little things in more detail. They are super important because they determine how much we can see and how clear the tiny things appear under the microscope.

Plano-convexlens

Fused silica Double Convex LensDesign wavelength: 546.1nm Design Index:1.46008Part No.F (mm)f(mm)R1=R2(mm)TcTeFbIllustrationBCX20016.015.013.462.181.514.24 BCX20026.030.027.291.831.529.34BCX210112.715.012.915.342.013.05BCX210212.720.017.704.362.018.46BCX210312.725.022.393.842.023.66BCX210412.730.027.043.512.028.77BCX210512.740.036.313.122.038.92BCX220125.425.021.2310.112.021.14BCX220235.435.030.977.452.032.33BCX220325.450.045.085.652.048.01BCX220425.475.068.234.392.073.39BCX220525.4100.091.413.772.098.69BCX220625.4150.0137.503.182.0148.89BCX220725.4200.0183.652.882.0199.09BCX220825.4250.0229.602.702.0249.06BCX220925.4300.0275.602.592.0299.07BCX221025.4500.0459.72.352.0499.19BCX221125.41000.0919.82.182.0999.24BCX240138.050.044.0611.613.045.81BCX240238.0100.090.997.013.097.67BCX240338.0150.0137.095.653.0148.01BCX240438.0200.0183.234.983.0198.27BCX240538.0350.0321.404.123.0348.58BCX240638.0500.0459.503.793.0498.72BCX240738.0750.0689.503.523.0748.73BCX240838.01000.0919.603.393.0998.82

Optical lenses

The Double Convex Lenses present an identical convex surface on both sides of the lens. They have a positive focal length and are useful for 1:1 imaging and in multielement systems.Specifications:Material:----------------------------------------------N-BK7, Fused Silica, N-SF10, Silicon, Ge,CaF2, etc.Diameter Tolerance:----------------------------+0.0/-0.15mm Focal Length Tolerance (mm):---------------+/-2%Centration:-----------------------------------------<3 arc minutesClear Aperture:------------------------------------>85%Surface Figure (per 25mm@632.8nm)----<1.5Î»IRR ( @632.8nm)--------------------------------<Î»/4Surface Quality:-----------------------------------60/40Protected Bevel:----------------------------------<0.25mmx45degCoating:---------------------------------------------uncoated, AR, HR, PR Coating, etc.N-BK7 Double Convex Lens Design wavelength: 546.1nm Design Index:1.5183 Â± 0.0005Part No. f (mm) dia (mm) R1=R2 (mm) t c (mm) t e (mm) F b (mm) IllustrationDCX120120.012.720.014.02.018.6 DCX120225.012.725.283.62.023.8DCX120330.012.730.523.32.028.9DCX120440.012.740.953.02.039.0DCX130125.425.424.719.02.022.2DCX131435.025.435.096.82.032.8DCX131540.025.440.406.12.037.9DCX130250.025.450.925.22.048.3DCX131660.025.461.404.72.058.5DCX130375.025.477.044.12.073.6DCX1304100.025.4103.053.62.098.8DCX1305125.025.4129.023.32.0123.9DCX1306150.025.4154.973.02.0149.0DCX1307200.025.4206.842.82.0199.0DCX1308250.025.4258.702.62.0249.1DCX1309300.025.4310.552.52.0299.2DCX1310400.025.4413.802.42.0399.0DCX1311500.025.4517.912.32.0499.2DCX1312750.025.4774.302.32.0748.8DCX13131000.025.41036.232.22.0999.3Fused silica Double Convex LensDesign wavelength: 546.1nm Design Index:1.46008Part No.F (mm)f(mm)R1=R2(mm)TcTeFbIllustrationBCX20016.015.013.462.181.514.24 BCX20026.030.027.291.831.529.34BCX210112.715.012.915.342.013.05BCX210212.720.017.704.362.018.46BCX210312.725.022.393.842.023.66BCX210412.730.027.043.512.028.77BCX210512.740.036.313.122.038.92BCX220125.425.021.2310.112.021.14BCX220235.435.030.977.452.032.33BCX220325.450.045.085.652.048.01BCX220425.475.068.234.392.073.39BCX220525.4100.091.413.772.098.69BCX220625.4150.0137.503.182.0148.89BCX220725.4200.0183.652.882.0199.09BCX220825.4250.0229.602.702.0249.06BCX220925.4300.0275.602.592.0299.07BCX221025.4500.0459.72.352.0499.19BCX221125.41000.0919.82.182.0999.24BCX240138.050.044.0611.613.045.81BCX240238.0100.090.997.013.097.67BCX240338.0150.0137.095.653.0148.01BCX240438.0200.0183.234.983.0198.27BCX240538.0350.0321.404.123.0348.58BCX240638.0500.0459.503.793.0498.72BCX240738.0750.0689.503.523.0748.73BCX240838.01000.0919.603.393.0998.82

Concavo-convexlens

Understanding the critical role of objective lenses in a microscope is essential for compelling microscopic observations, with each lens offering a unique magnification and clarity. Factors like numerical aperture, working distance, and correction collars significantly impact lens performance, underscoring the importance of appropriate lens selection. Maintaining and carefully handling objective lenses is crucial to ensuring their longevity and sustaining high-quality microscopy.

Objective lenses are the primary lenses closest to the object being looked at in a microscope. They are like the eyes of the microscope. Additionally, these lenses gather light from the specimen (the tiny thing you want to see) and magnify it, making the model appear more prominent and transparent.

Double convex lensformula

Objective lenses can uniquely make small objects look much more significant. The number on the lens, like 4x, 10x, 40x, tells you how much the lens magnifies the specimen. The higher the number, the more the lens enlarges the object. Besides magnification, objective lenses also help determine how sharp and clear the image is, called resolution. The better the lens, the more details you can see in the tiny object.

Note: Other sizes, material are available upon request. The ones with Silicon, Ge,CaF2 material pls kindly refer to IR OPTICS section.

N-BK7 Double Convex Lens Design wavelength: 546.1nm Design Index:1.5183 Â± 0.0005Part No. f (mm) dia (mm) R1=R2 (mm) t c (mm) t e (mm) F b (mm) IllustrationDCX120120.012.720.014.02.018.6 DCX120225.012.725.283.62.023.8DCX120330.012.730.523.32.028.9DCX120440.012.740.953.02.039.0DCX130125.425.424.719.02.022.2DCX131435.025.435.096.82.032.8DCX131540.025.440.406.12.037.9DCX130250.025.450.925.22.048.3DCX131660.025.461.404.72.058.5DCX130375.025.477.044.12.073.6DCX1304100.025.4103.053.62.098.8DCX1305125.025.4129.023.32.0123.9DCX1306150.025.4154.973.02.0149.0DCX1307200.025.4206.842.82.0199.0DCX1308250.025.4258.702.62.0249.1DCX1309300.025.4310.552.52.0299.2DCX1310400.025.4413.802.42.0399.0DCX1311500.025.4517.912.32.0499.2DCX1312750.025.4774.302.32.0748.8DCX13131000.025.41036.232.22.0999.3

Double convex lensdrawing

A microscope is a unique tool that helps us see very tiny things, like little bugs or cells, which are too small for our eyes to visit independently. It uses a combination of lenses and light to make these tiny things look more prominent and transparent.

Specifications:Material:----------------------------------------------N-BK7, Fused Silica, N-SF10, Silicon, Ge,CaF2, etc.Diameter Tolerance:----------------------------+0.0/-0.15mm Focal Length Tolerance (mm):---------------+/-2%Centration:-----------------------------------------<3 arc minutesClear Aperture:------------------------------------>85%Surface Figure (per 25mm@632.8nm)----<1.5Î»IRR ( @632.8nm)--------------------------------<Î»/4Surface Quality:-----------------------------------60/40Protected Bevel:----------------------------------<0.25mmx45degCoating:---------------------------------------------uncoated, AR, HR, PR Coating, etc.

The Double Convex Lenses present an identical convex surface on both sides of the lens. They have a positive focal length and are useful for 1:1 imaging and in multielement systems.

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