DSC Labs BackFocus with Resolution 鏡頭測試圖卡

Corner resolution wedges up to 1600 TV LPPH for checking camera frequancy response and lens quality
 
產品說明
DSC’s unique “bow-tie” star with resolution wedges
Corner resolution wedges up to 1600 TV LPPH for checking camera frequancy response and lens quality
Frame and focus chart for projector alignment
擁有各種不同的尺寸：JW Junior(17×10″), SW Standard(21.3×13″), SRW Senior(24×14.7″), XW Maxi(40×24″), SXW Super Maxi(51.5×30.5″)