PURPOSE:To obtain an objective lens for a single object type stereoscopic microscope prevented from the distortion of depth sense allowing the center part of an observed image to be observed like a projected part by constituting the objective lens of three lens groups and satisfying the objective ...
binoculars, etc.;SOLUTION: The first lens group of the objective lens comprising, successively from an object side, the first lens group having positive ... K Hiroyuki 被引量: 0发表: 2001年 Ultra-short optical system for binoculars An ultra-short and novel optical system, designed for the ...
摘要: Inexpensive aspheric +14- and + 18-diopter photographic accessories are useful objective lenses in indirect ophthalmoscopy. They are sold as +10 and +20 macro lenses. They can also be used to photograph the external eye with a 35-mm camera and primary lens....
12x magnification porro prism binocular Large 60 mm objective lens offers maximum image brightness in low-light conditions Multi-Coated optics for sharp, clear views Suitable for terrestrial or astronomical viewing Protective rubber covering for ultra-firm grip ...
Apply: Stereo microscope Trinocular Microscope Binocular microscope Package Contents: 1 * Auxiliary Objective Lens Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the ...
No, this is completely useless in the case of a typical binocular lens. You got a lot of information in the answers. It should have a fairly long focal length, but in this case the image will not please you if it is not an apochromat or high quality achromat. ...
Home Instruments & Meters Optical Lens & Instrument Telescope & Binoculars Bird Watching Binoculars High Power 25X100 Binoculars with Objective Dia. 100mm US$30.00-150.00 50 Pieces (MOQ) Product Details Customization: Available Warranty: One Year Type: Binocular Start Order Re...
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Objective:In amicroscope, theobjective(also called the objectivelens) is the lens nearest to the object being examined whereas the lens closest to the eye is termed theocular(the eyepiece). The light microscope today is usually binocular (with one ocular for each eye) and has a turret bearing...
Why aren't the magnifications of both ocular lenses of a binocular microscope used to calculate total magnification? Why do lenses have two focal points? In bright field microscopy, why should the front lens be removed from the light path when using the...