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Objective lenses are responsible for primary image formation, determining the quality of the image produced and controlling the total magnification and resolution. They can vary greatly in design and quality.

Charge-coupled device

MicrometerThis product may not be available in your area.View ProductMPLAPON Our MPLAPON plan apochromat objective lens series provides our highest level of chromatic correction and resolution capability, along with a high level of wavefront aberration correction. View ProductMPLAPON-Oil Our MPLAPON-Oil objective is a plan apochromat and oil immersion lens that provides our highest level of chromatic correction and resolution capability. The numerical aperture of 1.45 offers outstanding image resolution. View ProductMXPLFLN MXPLFLN objectives add depth to the MPLFLN series for epi-illumination imaging by offering a simultaneously improved numerical aperture and working distance. View ProductMXPLFLN-BD MXPLFLN-BD objective lenses add depth to the MPLFLN series for epi-illumination imaging by offering simultaneously improved numerical aperture and working distance. View ProductMPLN Our MPLN plan achromat lens series is dedicated to brightfield observation and provides excellent contrast and optimal flatness throughout the field of view. View ProductMPLN-BD Our MPLN plan achromat lens series is designed for both brightfield and darkfield observation and provides excellent contrast and optimal flatness throughout the field of view. View ProductMPLFLN The MPLFLN objective lens has well-balanced performance with a semi-apochromat color correction, a fair working distance, and a high numerical aperture. It is suitable for a wide range of applications. View ProductMPLFLN-BD The MPLFLN-BD objective lens has semi-apochromat color correction and suits a wide range of industrial inspection applications. It is specially designed for darkfield observation and examining scratches or etchings on polished surfaces. View ProductLMPLFLN Our LMPLFLN lens is part of our plan semi-apochromat series, providing longer working distances for added sample safety and observation with increased contrast. View ProductLMPLFLN-BD Our LMPLFLN-BD brightfield/darkfield objective lens is part of our plan semi-apochromat series, providing longer working distances for added sample safety and observation with increased contrast. View ProductSLMPLN The SLMPLN plan achromat objective lens offers an exceptionally long working distance and the image clarity that you expect from the Olympus UIS2 optical system. It is ideal for electronic assembly inspection and other similar applications. View ProductLCPLFLN-LCD The LCPLFLN-LCD objective lenses are optimal for observing samples through glass substrates, such as LCD panels. The adoption of optical correction rings enables aberration correction according to glass thickness. View ProductLMPLN-IR/LCPLN-IR Our LMPLN-IR and LCPLN-IR plan achromat lenses have a long working distance and are specifically designed for optimal transmission in the near-infrared region (700–1300 nm wavelengths). View ProductWhite Light Interferometry Objective Lens This objective lens is designed for the Mirau style of white light interferometers and maintains a high level of temperature tolerance. The optimized numerical aperture of 0.8 provides improved light gathering, with a working distance of 0.7 mm. View Product

For coloured samples with high fluorescence backgrounds in the visible range, Raman spectroscopy using an excitation laser at 1064 nm can help to reveal Raman bands. Choose an inVia microscope with an InGaAs detector for Raman spectroscopy at longer infrared wavelengths.

Jul 23, 2023 — The polarizing film in the test card works by allowing only light waves of a specific orientation to pass through. When polarized glasses are ...

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The ocular lens is located at the top of the eyepiece tube where you position your eye during observation, while the objective lens is located closer to the sample. The ocular lens generally has a low magnification but works in combination with the objective lens to achieve greater magnification power. It magnifies the magnified image already captured by the objective lens. While the ocular lens focuses purely on magnification, the objective lens performs other functions, such as controlling the overall quality and clarity of the microscope image.

Apr 8, 2012 — In a prism, the two angled surfaces just make sure that the angular separation of the different wavelengths is nonzero. The light is refracted ...

Broadband spectrum of SiC showing photoluminescence (PL) features. The spectral range is from 400 nm to beyond 1000 nm. This spectral range is over 10,000 cm-1, from the visible blue wavelengths to beyond the infrared. Data courtesy of Prof. John Steeds and Dr. Geraint Evans, Dept of Physics, University of Bristol, UK.

To clean a microscope objective lens, first remove the objective lens and place it on a flat surface with the front lens facing up. Use a blower to remove any particles without touching the lens. Then fold a piece of lens paper into a narrow triangular shape. Moisten the pointed end of the paper with small amount of lens cleaner and place it on the lens. Wipe the lens in a spiral cleaning motion starting from the lens’ center to the edge. Check your work for any remaining residue with an eyepiece or loupe. If needed, repeat this wiping process with a new lens paper until the lens is clean. Important: never wipe a dry lens, and avoid using abrasive or lint cloths and facial or lab tissues. Doing so can scratch the lens surface. Find more tips on objective lens cleaning in our blog post, 6 Tips to Properly Clean Immersion Oil off Your Objectives.

CCDdetector spectroscopy

With a single Centrus detector, you can collect high-quality Raman and PL spectra with laser excitations ranging from 229 nm to 830 nm. Our CCD detector has a high detection efficiency across a broad range of wavelengths, from the deep-ultraviolet (DUV) to the near-infrared (NIR). In combination with the inVia microscope's full automation and kinematically-mounted spectrometer optics, you can easily use a wide spectral range.

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Olympus microscope objective lenses for industrial inspections offer outstanding optical performance from the visible light to near-infrared region. At Evident, we offer an extensive selection of Olympus objectives suited to specific inspection requirements and tasks. Our MXPLFLN-BD objective is designed for darkfield observation and examining scratches on polished surfaces, while our SLMPLN objective is ideal for electronic assembly inspection. Find your ideal microscope objective today for your inspection task. No matter your requirements, Olympus objective lenses have you covered.

CCDSensor Price

Optical System Design – S15. MTF. Joseph A. Shaw – Montana State University. Diffraction-limited MTF for different f/# values http://photo.net/learn/optics/mtf/.

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MXPLFLN-BD objective lenses add depth to the MPLFLN series for epi-illumination imaging by offering simultaneously improved numerical aperture and working distance.

CCDarray detector

Mar 22, 2023 — The f-stop number is a ratio of the focal length of the lens to the diameter of the aperture. A lens is said to be "wide open" when it's set on ...

Unlike the Wratten 25A filter, the Wratten 15 does not block green light, so the green channel is more useful for false color IR images and other visualizations ...

CCDdetector Telescope

When we equip a high throughput inVia™ confocal Raman microscope with the Centrus detector, it is capable of the most challenging spectroscopic measurements. The Centrus detector is a thermoelectrically cooled charge-coupled device (CCD) detector. It has a high quantum efficiency and ultra-low readout noise to detect even the weakest Raman bands.

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Many microscopes have several objective lenses that you can rotate to view the specimen at varying magnification powers. Usually, you will find multiple objective lenes on a microscope, consisting of 1.25X to 150X.

CCDcamera

MXPLFLN objectives add depth to the MPLFLN series for epi-illumination imaging by offering a simultaneously improved numerical aperture and working distance.

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Extended scanning is particularly useful when:• Identifying similar materials such as polymers or pharmaceutical polymorphs. For reliable identification, extended Raman spectra should contain the Raman bands in the fingerprint region (<1500 cm-1). Raman spectra should also include the CH2 and CH3 stretching modes (between 2800 cm-1 and 3300 cm-1).• Resolving both broad and sharp features in the PL spectra from semiconductor materials like SiC. Scientists use PL spectra to study the electronic properties and the presence of defects in semiconductors. This often requires a spectral range of hundreds of nanometers (or thousands of wavenumbers, cm-1). For an inVia™ confocal Raman microscope with a 532 nm laser, SynchroScan technology can cover a spectral range of up to 10,000 cm-1 in a single extended scan.

If required, we can configure an inVia microscope with up to 4 different detectors. This includes back-illuminated (BI) or electron-multiplying (EM) CCD detectors. Get in touch to find out if these options are suitable for your sample type.

A polarizer is an optical filter that allows light waves of a specific polarization to pass through while blocking others. It transforms undefined or mixed ...

Centrus detectors support SynchroScan™ extended scanning technology. With SynchroScan technology, you can easily collect artefact-free continuous spectra over a broad spectral range. SynchroScan technology does not compromise on high spectral resolution. You do not have to use a diffraction grating with lower dispersion to extend the spectral range.

SynchroScan technology uses a patented method to synchronise the stepwise rotation of the diffraction grating with continuous readout at the detector. As the diffraction grating rotates, the light on the detector moves in the direction of linear dispersion. To keep in step with this movement, the signal also moves along to the next pixel. When the accumulated signal gets to the edge of the Centrus detector, the software records the next point on the spectrum. For further details see C. Dyer & B.J.E. Smith, Journal of Raman Spectroscopy, Vol. 26, 777-783 (1995).

With the Centrus detector, you can take advantage of Renishaw's ultra-fast Raman imaging techniques. You can also run rapid time-series measurements to analyse chemical reactions. Using Renishaw's patented electronic designs, the Centrus detector can achieve a high-speed readout rate of 2 MHz. This enables the collection of full-range, high-resolution spectra at rates faster than 1800 spectra per second.