鏡頭對焦測試卡簡介

解析度測試卡鏡頭對焦測試卡YE0110用於測試鏡頭的整體對焦↟₪▩☁╃，調整鏡頭↟₪▩☁╃，檢查鏡頭各區後焦及解析度•│╃╃。測試卡由9個扇形星組成↟₪▩☁╃，在影象各個區域均勻分佈•│╃╃。扇形星的中間白色部分是外徑的10%•│╃╃。在扇形星內有兩個圓形線條↟₪▩☁╃，內層圖形是一個625線的結構↟₪▩☁╃，較大圓線是312線結構•│╃╃。

The test chart consists of 9 sector stars, distributed equally over the picture area.Resolution test card The unresolved center of the sector star is 10% of its outer diameter. Within the sector stars are two circular lines. The inner one marks a 625 line structure, the larger circular line marks a structure of 312 lines.

 
Resolution test card The test chart is designed for

• adjustment of camera lenses
• checking back focal distance
• checking resolution over the picture area