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What is the difference between HD and SD lenses?

April 26, 2017difference HD lenses sd

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What is the difference between HD and SD lenses?

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The main difference between HD and SD lenses is the quality of the glass components. Due to the high resolution of HD, up to four times greater than SD and the fact that HD has a 16:9 aquestionst ratio only, any flaws in the optics will cause aberrations to show up. The high resolution of HD means even a slight out of focus area is detectable due to the depth of field being shorter than in SD. This is useful if trying to emulate the shorter DoF of film lenses.