Magnifying glass

Magnifying glass - connecting lens with a focal length of 1-10 cm. An apparent, enlarged, direct image is created. For Z magnification:

$Z={\frac {\delta +f}{f}}$

where δ = 0.25 m (conventional viewing distance) and f = focal length.

Links

related articles

• Vision defects
• Eye

Source

• KUBATOVA, Senta. Biofot [online]. [cit. 2011-01-31]. <https://uloz.to/!CM6zAi6z/biofot-doc>.