３５ｍｍ換算による焦点距離表(概算数値）
| フィルム | 焦点距離 | → | → | → | → | → | → |
| 35mm | 20mm | 28mm | 35mm | 50mm | 85mm | 135mm | 200mm |
| 6×45判 | 33mm | 47mm | 58mm | 83mm | 140mm | 225mm | 330mm |
| 6×6判 | 36mm | 51mm | 64mm | 90mm | 155mm | 245mm | 360mm |
| 6×7判 | 40mm | 55mm | 70mm | 100mm | 170mm | 260mm | 400mm |
| 6×8判 | 43mm | 60mm | 75mm | 110mm | 185mm | 300mm | 435mm |
| 6×9判 | 46mm | 65mm | 80mm | 115mm | 200mm | 315mm | 465mm |
| 4×5インチ | 70mm | 100mm | 125mm | 170mm | 280mm | 450mm | 670mm |
| デジタル | 13mm | 18mm | 23mm | 33mm | 57mm | 90mm | 133mm |
*デジタルはＡＰＳ-Ｃサイズです
