<prompt> Yini umbuzo othi: Ikhamera ye-single-lens reflex i-SLR iyikhamera evame ukusebenzisa uhlelo lwesibuko ne-prism ngakho-ke ukucabanga, kusuka ekubonisweni kwesibuko evumela umthwebuli wezithombe ukuthi abuke ngelensi futhi abone kahle ukuthi yini ezobanjwa, ngokungafani namakhamera wokubuka lapho isithombe singahluka kakhulu kulokho okuzobanjwa? Isihloko sithi i-single-lens reflex camera.  <response>: iyini ikhamera ye-SLR? 