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Magnifying glass for viewing 35 mm film photo, made in USSR, *1088
A magnifying glass is a biconvex lens that increases the angle of view of objects. Focal lengths of magnifying glasses are usually 1-10 cm. For a magnifying glass with a focal length of 10 cm, the magnification is 3.5×.
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Magnifying glass for viewing 35 mm film photo, made in USSR, *917
A magnifying glass is a biconvex lens that increases the angle of view of objects. Focal lengths of magnifying glasses are usually 1-10 cm. For a magnifying glass with a focal length of 10 cm, the magnification is 3.5×.
