{"id":372208,"date":"2024-10-20T02:28:12","date_gmt":"2024-10-20T02:28:12","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-14490-32021\/"},"modified":"2024-10-26T04:18:17","modified_gmt":"2024-10-26T04:18:17","slug":"bs-iso-14490-32021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-14490-32021\/","title":{"rendered":"BS ISO 14490-3:2021"},"content":{"rendered":"
This document specifies test equipment and test procedures for determination of the following optical characteristics of telescopic sights:<\/p>\n
axial parallax;<\/p>\n<\/li>\n
parallax;<\/p>\n<\/li>\n
eye relief range, eye relief, critical eye relief;<\/p>\n<\/li>\n
reticle tracking;<\/p>\n<\/li>\n
line of sight shift due to zooming;<\/p>\n<\/li>\n
line of sight shift due to focusing.<\/p>\n<\/li>\n<\/ol>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
2<\/td>\n | National foreword <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions 4 Method of measurement of axial parallax 4.1 Principle <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 4.2 Test arrangement 4.2.1 General 4.2.2 Collimator 4.2.3 Telescopic sight <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 4.2.4 Dioptric tester 4.3 Measurement procedure 4.4 Test report 5 Method of measurement of parallax 5.1 Principle <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 5.2 Test arrangement 5.2.1 General 5.2.2 Collimator 5.2.3 Telescopic sight 5.2.4 Light stop <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 5.2.5 Auxiliary telescope 5.3 Measurement procedure <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 5.4 Test report 6 Method of measurement of eye relief range, eye relief and critical eye relief 6.1 Principle 6.2 Test arrangement 6.2.1 General 6.2.2 Collimator 6.2.3 Telescopic sight <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | 6.2.4 Measuring magnifier 6.3 Measurement procedure <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | 6.4 Test report 7 Method of measurement of reticle tracking 7.1 Principle 7.2 Test arrangement 7.2.1 General 7.2.2 Collimator <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | 7.3 Test procedure 7.4 Test report 8 Method of measurement of line of sight shift due to zooming 8.1 Principle 8.2 Test arrangement 8.2.1 General <\/td>\n<\/tr>\n | ||||||
19<\/td>\n | 8.2.2 Test specimen mounting 8.2.3 Auxiliary telescope 8.3 Test procedure 8.3.1 Preparation of the test assembly 8.3.2 Determination of the measurement values <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | 8.4 Precision of the measurement 8.5 Test report 9 Method of measurement of line of sight shift due to focusing 9.1 Principle 9.2 Test arrangement 9.2.1 General <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | 9.2.2 Collimator <\/td>\n<\/tr>\n | ||||||
22<\/td>\n | 9.2.3 Telescopic sight 9.2.4 Auxiliary telescope 9.3 Test procedure 9.3.1 Preparation of the test assembly 9.3.2 Determination of the measurement values 9.4 Precision of the measurement 9.5 Test report <\/td>\n<\/tr>\n | ||||||
23<\/td>\n | 10 General test report <\/td>\n<\/tr>\n | ||||||
24<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Optics and photonics. Test methods for telescopic systems – Test methods for telescopic sights<\/b><\/p>\n |