The Tele-Photographic Lens
نویسندگان
چکیده
منابع مشابه
Evaluation of photographic methods for documentation of lens opacities.
Several systems have been developed to document lens opacities photographically. In general, the settings for these photographs have been standardized, but there has been no scientific basis for the selection of these settings. We investigated several of these variables. We examined the effect of degree of angulation of the slit beam in slit photography of the nucleus and found no difference in...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1893
ISSN: 0036-8733
DOI: 10.1038/scientificamerican08191893-14701bsupp