The smart Trick of 온라인 쇼핑몰 That Nobody is Discussing
Some more mature cameras had been equipped with convertible lenses (German: Satzobjektiv) of typical focal duration. The entrance aspect may very well be unscrewed, leaving a lens of twice the focal length, and 50 percent the angle of perspective and fifty percent the aperture. The less complicated half-lens was of adequate excellent to the slim an