German-English translations for blende

aperturean aperture in a wallThis telescope has a 100cm apertureIf the generatrix makes an angle θ to the axis, then the aperture is 2θ.
bezel
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blind
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The lovers were blind to each others faults.Authors are blind to their own defects.a blind path; a blind ditch; a blind corner
diaphragm
panel
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Behind the picture was a panel on the wallToday’s panel includes John SmithThe last panel of a comic strip usually contains a punchline
shield
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