Griffiths, 2015 - Google Patents
Choosing and Using Astronomical FiltersGriffiths, 2015
- Document ID
- 4568652511691000929
- Author
- Griffiths M
- Publication year
External Links
Snippet
Taking a quality image of the night sky used to be a daunting task for any photographer and was a valid achievement in its own right. Capturing the beauty of the astronomical objects involved real skills. In the past, achieving this was always something that engendered pride …
- 101710031899 moon 0 abstract description 156
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- G02B27/00—Other optical systems; Other optical apparatus
- G02B27/02—Viewing or reading apparatus
- G02B27/022—Viewing apparatus
- G02B27/024—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B27/00—Planetaria; Globes
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