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![Good-Lite 920104-Test Object 18mm - Blue/Green Tangent Screen Test Objects 18mm](http://store.good-lite.com/cdn/shop/files/good-lite-920104-test-object-18mm-blue-green-tangent-screen-test-objects-18mm-920104-31346829197417.jpg?v=1712740758&width=300)
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![Good-Lite 920108-Test Object 18mm - White/One sided only Tangent Screen Test Objects 18mm](http://store.good-lite.com/cdn/shop/files/good-lite-920108-test-object-18mm-white-one-sided-only-tangent-screen-test-objects-18mm-920108-31306882220137.jpg?v=1712740758&width=300)
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Tangent Screen Test Objects 18mm
- Regular price
- $12.95
- Sale price
- $12.95
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![Good-Lite 920104-Test Object 18mm - Blue/Green Tangent Screen Test Objects 18mm](http://store.good-lite.com/cdn/shop/files/good-lite-920104-test-object-18mm-blue-green-tangent-screen-test-objects-18mm-920104-31346829197417.jpg?v=1712740758&width=600)
![Good-Lite 920107-Test Objec 18mm - Red/White Tangent Screen Test Objects 18mm](http://store.good-lite.com/cdn/shop/files/good-lite-920107-test-objec-18mm-red-white-tangent-screen-test-objects-18mm-920107-31306882187369.jpg?v=1712740758&width=600)
![Good-Lite 920108-Test Object 18mm - White/One sided only Tangent Screen Test Objects 18mm](http://store.good-lite.com/cdn/shop/files/good-lite-920108-test-object-18mm-white-one-sided-only-tangent-screen-test-objects-18mm-920108-31306882220137.jpg?v=1712740758&width=600)