Request InfoTele Vue Optics Inc.Tele Vue Optics Inc. has developed the 100° Ethos series eyepieces for visual instrument applications in astronomy, surveillance and scientific instrumentation. They feature a 15-mm eye relief and a 100° apparent field, and they accept the company’s Dioptrx eyesight astigmatism correctors and are highly corrected for all primary aberrations, including f/4 objective systems. They are available in focal lengths of 6, 8, 13 and 17 mm.See full productRelated content from Photonics MediaPRODUCTSPromoted Content February 2024 IssueArmD™ UVWFS BroadbandIntroducing UVWFS Broadband by Armadillo: A remarkably low-loss solution optimized for wavelengths ranging from 200 to 2000 nm. This innovative fiber harnesses the combined properties of UV and WF...Photonics Spectra November 2022 IssueEmission Line FiltersTwo Hydrogen Alpha (H-alpha) Emission Line Filters for astronomy applications have been announced by Alluxa Inc. The Five-cavity H-alpha Filter has a 50% B+W of 0.35 nm, a 1% B+W of <0.6 nm,...Photonics.com 4/20/2023Thermal CamerasThe Boson+ line of thermal cameras from Teledyne FLIR now features 24 compact models with resolutions of 320 × 256. The Boson+ line features a 12-µm pixel pitch thermal detector...Photonics.com 7/5/2023Gimbal MountsOptimal Engineering Systems’ AU270-YPR Three Axis (Yaw, angular Pitch, and Roll) Gimbal Mounts are designed for larger and heavier cameras, telescopes, directional antennas, optics, lasers,...ARTICLESPhotonics.com 2/10/2023Hesai Group Charges Forward with IPO Pricing: Week in Brief: 02/10/23Lidar technology company Hesai Group announced the pricing of its initial public offering of 10 million American Depositary Shares (ADS), at $19 per ADS, for a total offering size of $190 million....Photonics Spectra April 2023 IssueSpeckle-correlation Technique Recovers Images of Obscured Objects in Real TimeImaging through a light-scattering medium, such as clouds in the sky or tissues in the body, poses special challenges. The scattered light must be reconstructed, typically by using complex optical...Photonics.com 3/21/2024Ultrablack Coatings Achieve Broadband Absorption for Precision OpticsA broadband, ultrablack film from the University of Shanghai for Science and Technology and the Chinese Academy of Sciences could enhance the performance of telescopes and have other applications in...Photonics.com 4/11/2023Laser Altimeter Among Instruments to Help Explore Jupiter’s MoonsThe European Space Agency (ESA) is set to launch its Jupiter Icy Moons Explore (JUICE) mission this week, which aims to explore Jupiter and its moons. On board the spacecraft will be the GALA...PHOTONICS HANDBOOK ARTICLESPhotonics HandbookDetectors: CCDs for Life-Science ApplicationsSince their invention in the late 1960s, charge-coupled devices, also called CCDs, have found widespread use in imaging applications. Electronic cameras based on CCD technology are used in...Photonics HandbookNanopositioning: A Step AheadBy its original definition, a nanopositioning device is a mechanism capable of repeatedly delivering motion in increments as small as one nanometer. Lately demands from industry and research have...Photonics HandbookPositioning System Performance: Understanding the RulesAbbe Error — Linear off-axis errors introduced by angular deviations coupled to a moment arm at the point of interest on stage mounted devices (θ in Figure 1). The effect of Abbe error...Photonics HandbookCommon Infrared Optical Materials and Coatings: A Guide to Properties, Performance, and ApplicationsThe optical materials selected for an optical system depend upon the application, the required system performance and the environment in which the system is to perform; thus the materials’...WHITEPAPERSPhotonics.com 8/25/2022Diffraction Gratings - an IntroductionThis paper is ideal for those wanting an introductory guide to the various types of diffraction gratings and understanding their advantages and disadvantages as well as including some useful grating...Photonics.com 9/19/2022Advantages of VPH GratingsThe term 'diffraction grating' often brings to mind a surface relief grating, with ruled lines and a delicate surface. A transmission grating, however, opens up many new options for the optical...Photonics.com 10/19/2022Positioning at the Nanoscale (and Below): Trust in Proven PerformanceThrough a deep knowledge of sensing technologies, technically adept personnel, and experience across applications as diverse as astronomy to live cell imaging, Mad City Labs helps our customers...Photonics.com 1/16/2024Antireflection Coatings for Space ApplicationsSpace can be a harsh environment for optical coatings. Optimax has successfully provided antireflection (AR) coatings for a wide range of space applications. This paper outlines the results of...WEBINARSPhotonics.com 1/21/2021Squeeze More Out of Your Measurement with Modern Lock-in Amplifier TechnologyMeasurement time is precious, so it is critical to capture as much information as possible in one experimental run. The goal of this talk is to provide you with insights into how modern lock-in...Photonics.com 1/24/2019Advances in Rapid 3D Imaging of Large Tissue SamplesThis webinar will discuss rapid 3D, multiplexed imaging of large tissue samples, based on recent advances in light-sheet fluorescence microscopy, multiplexed molecular labeling, and optical tissue...Photonics.com 10/25/2022Multi-Immersion Lenses for Cleared-Tissue ImagingA simple design trick enables an objective lens to work in any dipping medium, unlike other multi-immersion objectives with limited refractive index range. Daniels describes the design trick and its...Photonics.com 8/17/2022Sub-Cellular Biology at Tissue Scales with Cleared Tissue Axially Swept Light-Sheet MicroscopyLarge-scale interdisciplinary research efforts have worked to comprehensively catalog cellular architectures in health and disease. To aid in this effort, researchers have developed a scalable...PHOTONICS DICTIONARY+ TERMSPhotonics Dictionaryastronomical mirrorAn astronomical mirror, also known as a telescope mirror or primary mirror, is a key component of a reflecting telescope. It serves as the primary optical element responsible for gathering and...Photonics DictionarymicrodisplayA microdisplay is a miniature electronic display technology that is designed to project visual information onto a small screen. Unlike traditional displays, microdisplays are typically very compact...Photonics Dictionaryprism binocularsA pair of telescopes with prismatically erected images, mounted side by side with the eyepieces at the interocular distance of the observer. This separation is adjustable with a convenient millimeter...Photonics DictionaryGreenough microscopeA form of a stereoscopic microscope having paired objectives, prisms and eyepieces, and invented by H. Greenough.VIDEOSPhotonics.com 10/26/2022Ask Andover: How Do Imaging Filters Apply to Astronomy?In this educational video, we'll discuss the distinctions between different optical imaging filters used in astronomy. You will learn about Kron and John filters, Gaia filters and Sloan filters, and...Photonics.com 3/4/2024Specifying Optical Coatings - LaCroix Precision OpticsOptical coatings modify the reflectance, transmittance, and absorptive properties of optic substrates to make them much more efficient and functional. From an optical manufacturer's perspective,...Photonics.com 11/20/2023Balor sCMOS for Astronomy - Andor TechnologyCapture More. Further. Faster. Balor sCMOS for Astronomy.Photonics.com 3/4/2024Precision Aspheres: Manufacturing and Metrology - LaCroix Precision OpticsAspheres have allowed optical designers to create systems and products that push the limitations of performance across several fields. In this presentation, we will explain the various processes...PHOTONICS BUYERS' GUIDE CATEGORIESMicroscope AccessoriesDioptometersA dioptometer is a telescopic system having an eyepiece, a reticle and an objective. The instrument measures wavefront power in diopters.Astronomical MirrorsAn astronomical mirror, also known as a telescope mirror or primary mirror, is a key component of a reflecting telescope. It serves as the primary optical element responsible for gathering and...Astronomical InstrumentsCOMPANIESPhotonics Buyers' GuideLaCroix Precision OpticsThe LaCroix name is synonymous with quality precision optics. Since 1947, three generations of family leadership have guided LaCroix Precision Optics to become the premier precision optics...Photonics Buyers' GuideAndor TechnologyAndor Technology Ltd is a global developer and manufacturer of high-performance scientific cameras, microscopy systems and spectrographs for academic, government, and industrial applications. Founded...Photonics Buyers' GuideChroma Technology Corp.Chroma Technology manufactures high-performance optical interference filters using magnetron sputtering coating technologies. We specialize in precise spectral control and can provide filters with...