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*The high 8x/10x magnification allows you to have a closer detailed view of objects of interest at average distances.
*High-definition, low-dispersion ED lenses
*Telescope HD picture, high light transmittance / good prism / good coating Lens diameter and material, gold magnification, prism material / process, coating process
*Low-dispersion ED lens eliminates chromatic aberration imaging without purple fringing, purple fringing will occur after ordinary glass is refracted; ED lens is better for correcting chromatic aberration
*The true 50-caliber light-entry foot picture is brighter, and each optimization effect is both a cost consideration and a breakthrough in the technical threshold; the large objective lens has a wider field of view and the light-entry amount is brighter.
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