Production method of the barrel with lens and lens barrel with lens .

摘要

Topic Stabilizing, it designates that it offers the tube equipped glass lens where you can obtain airtightness as purpose.SolutionsTube 10 has the glass lens attaching part 12 which this touches to the peripheral face 21 of glass lens 20 in the tube equipped glass lens 1 which consists of with the glass lens 20 containment in tubed tube 10 and tube 10, continuing helically, being formed, the 1st slot 12a which becomes and, helically continuing being formed, the 2nd slot 12b which becomes and, 1st slot 12a and the intermediate field which segments 2nd slot 12b and, possesses glass lens attaching part 12, the aforementioned intermediate field spine consists of with 13 and 3rd slot 14,Thing is featured.