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系列ID系列ID用於識別產品系列介紹,使得用戶利用搜索功能就能快速訪問介紹頁面。 #1373


  • Provide Total Light Extinction When Closed
  • Aperture Sizes Up to 50mm
  • Iris Diaphragm Mounts Sold Separately

零孔徑系列的設計與製造所採用的高品質操作與標準系列可變光圈相同,可提供全消光功能。此類控制通常用於必須量測暗訊號(背景雜訊)以執行校準的系統。Two sets of leaves are used which are mounted on different tiers and are moved by one lever. For each iris, there are two additional relief leaves (not listed in table) that are not visible.

Note: Iris Diaphragm Mounts sold separately.


Outer Diameter A Maximum Aperture B Minimum Aperture C Thickness D Stock No.
102mm 75mm 0mm 9.1mm #64-506
21mm 12mm 6.2mm #53-906
29mm 12mm 6.1mm #62-649
38mm 25mm #53-907
54mm 37mm 7.5mm #53-908
72mm 50mm 9.1mm #53-909
37mm 12mm 6.2mm #62-653
54mm 25mm 6.1mm #62-654
67mm 37mm 7.5mm #62-655
88mm 50mm 9.1mm #62-656
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