Matching objective lens to specimen and purpose Select the objective lens based on the size and type of specimen you want to observe. Consider the level of detail needed and the size of the specimen, and match it with the appropriate magnification and resolution of the lens. Considerations for ...
PURPOSE:To flatten an image plane over a wide visual field and to compensate various aberrations excellently by forming the lens system of four groups and satisfying specific conditions. CONSTITUTION:The lens system consists of a 1st group G1, a 2nd group G2, a 3rd group G3, and a 4th ...
MOis the objective lens magnification, q is the total tube factor (zoom and other tube lenses), and ME= eyepiece lens magnification. For the case of detecting an image of a microscope which is projected onto an electronic sensor, such as that of a digital camera, the magnification for the...
Hence, the lens with a shorter focal length will have more power or higher refraction (causes more bending of light rays). While the lens with a longer focal length will have less power or low refraction (causes less bending of light rays). Thus, athick convex lenshas more power, as it...
Microscope - Magnification, Optics, Illumination: The limitations on resolution (and therefore magnifying power) imposed by the constraints of a simple microscope can be overcome by the use of a compound microscope, in which the image is relayed by two l
of one or two positive lenses, the fourth lens component is a negative meniscus lens with its convex surface positioned toward the object, and for which the number of lenses constituting the objective is small, the working distance is large, flatness of image is high and resolving power is ...
device includes a plurality of telescopic lens sets, for example, a plurality of telescopes, each telescopic lens set including an objective lens and an ocular lens, and a plurality of refracting optical elements, for example, prisms, positioned in front of at least some of the objective ...
Magnification:10x-30;Objective Lens Diameter:50mm;Prism Type:BK4;Field of View:2.8-1.4;Exit Pupil Diameter:4.1-1.4mm;Exit Relief:17.2-15.2mm;Optical Coating:Full Multi Coated;Waterproof:Yes;Nitrogen:Yes;Special Note:Big Eyepiece;Warranty:3 years;Certific
Hts521L10 Surveying Equipment Total StationSuperior Quality Industrial Holographic Optical Elements Price Custom Hologram For Experiment InspectionHIKROBOT Low Power Consumption Global Shutter 5MP CMOS Industrial Area Scan Camerasoptical instrument manual lensometerinternal reading manual lensometeruse lensometer...
The invention relates to improving optical properties of optical instruments with variable magnification, such as zoom binoculars, reducing the weight thereof, and enabling the user to change magnifications quickly. The invention provides an optical instrument with a focal length-varying lens disposed on...