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Monocular Starscope Telescope, 18x62 Telescope Monocular 50mm Large Objective Lens Diameter Adult Telescope with Tripod Mobile Phone Clip : Amazon.ae: Electronics
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Biological Microscope Plan Objective Lens 6 Kinds 4X 10X 20X 40X 60X 100X Thread 160/0.17 One Piece Universal Plan Objective Lens Diameter 20.3 * 0.705 mm | Lazada PH
AGM 4501X822PRGPR1 Model 1-8X22RS Professional Riflescope, 1x~8X Magnification, 22mm Objective Lens Diameter, 30mm Ocular Lens Diameter, 91-88mm Eye Relief, 8-3mm Exit Pupil, Field of View 21~2.63 Sports & Outdoors
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Objective Lens Diameter
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Binocular | Magnification: 10 x | Objective lens diameter: 42 mm | Field of view: 96
Binocular | Magnification: 10 x | Objective lens diameter: 60 mm | Field of view: 92 m | Travel bag included | Black
1-Pack* Vortex Optics Viper HD Binoculars 10x 42 Objective Lens Diameter V201 | eBay
Astronomical Telescope Objective Lens Diameter Diamter80mm Focal 700mm Double Separation Achromatic Refractive Single Blue Film - Lenses - AliExpress
The optical telescope in the Vainu Bappu observatory at Kavalur has an objective lens of diameter 2.3.m. What is its angular resolution if the wavelenght of light used is 589 nm?
