| संज्ञा • शीशा | • अभिदृश्यक |
| object: प्रयोजन बात | |
| glass: आईना शीशे की वस्तु | |
object glass मीनिंग इन हिंदी
object glass उदाहरण वाक्य
उदाहरण वाक्य
- In the thicker and larger glasses, there would be more of such defects, so that in larger telescopes this kind of glass would not be fit for object glasses.
- He presented the Royal Greenwich Observatory with several instruments, including a photographic heliograph of 9-inch aperture; a 30-inch reflecting telescope, and a large refracting telescope with a 26-inch object glass ( of 22 feet focal length ).
- On these is firmly attached a small telescope, furnished with cross wires, or, what is better, crossed portions of the fine balance-spring of a watch, set flat-ways, and adjusted very exactly in the sidereal focus of object glass.
- Although there had been very large ( and unwieldy ) Non-achromatic aerial telescopes of the late 17th century, and Chester Moore Hall and others had experimented with small achromatic telescopes in the 18th century, John Dollond ( 1706 1761 ) invented and created an achromatic object glass and lens which permitted achromatic telescopes up to 3 5 in ( 8 13 cm ) aperture.
- A catalogue of work by R & J Beck from 1900 has been digitised as part of the Internet Archive which features the terms of business and pricing from 1900, simplex microscopes, No . 10 London Microscope, No . 22 London Microscope, No . 29 London Microscope, Beck Pathological Microscope, No . 3201 Massive Microscope, Radial Research Microscope, Angular Model Microscope, Beck Combined Binocular and Monocular Microscope, Baby London Microscope, No . 3755 Portable Microscope, Pathological Microscope, Binomax magnifier, Greenough Binocular Microscope, Crescent Dissecting Microscope, Cornex Dissecting Microscope, Beck Ultra Violet Microscope made for J . E . Barnard F . R . S ., Beck Object Glasses, Eyepieces, Beck-Chapman Opaque Illuminator, Photomigraphic Cameras, Optical Benches, Microtomes, University Micro-projector and Folding Pocket Magnifiers.
परिभाषा
संज्ञा.- the lens or system of lenses in a telescope or microscope that is nearest the object being viewed
पर्याय: objective, objective lens, object lens