標準號：ISO 9342-2-2005
中文標準名稱：光學和光學儀器.焦距計校正用檢驗鏡頭.第2部分:測量隱形鏡片的焦距計用檢驗鏡頭
英文標準名稱：Optics and optical instruments - Test lenses for calibration of focimeters - Part 2: Test lenses for focimeters used for measuring contact lenses
標準類型：N30
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：N30
國際標準分類號：11.040.70
適用范圍：This part of ISO 9342 specifies requirements for test lenses for focimeters that are used to measure contact lenses. These test lenses are used to find the precise correction values that are needed to convert the power values measured to back vertex power values, as defined in Clause 3. This part of ISO 9342 applies to focimeters meeting the requirements of ISO 8598.