![What is the relationship between diopter and magnification of a magnifying lens? - FAQs | E-TAY INDUSTRIAL CO., LTD. What is the relationship between diopter and magnification of a magnifying lens? - FAQs | E-TAY INDUSTRIAL CO., LTD.](https://www.mymagnifier.com/Templates/pic/Diopter-to-Power-Conversion.png)
What is the relationship between diopter and magnification of a magnifying lens? - FAQs | E-TAY INDUSTRIAL CO., LTD.
![A convex lens forms a real and inverted image of a needle at a distance of 50 cm from it. Where is the needle placed in front of convex lens if the A convex lens forms a real and inverted image of a needle at a distance of 50 cm from it. Where is the needle placed in front of convex lens if the](https://dwes9vv9u0550.cloudfront.net/images/4214869/4d0af9a3-3692-440c-8c6c-c9826657544c.jpg)
A convex lens forms a real and inverted image of a needle at a distance of 50 cm from it. Where is the needle placed in front of convex lens if the
![Dioptric power, explained by RP Photonics Encyclopedia; diopters, focal length, prescription glasses, eye, accommodation, reading Dioptric power, explained by RP Photonics Encyclopedia; diopters, focal length, prescription glasses, eye, accommodation, reading](https://www.rp-photonics.com/previews/dioptric_power.png)
Dioptric power, explained by RP Photonics Encyclopedia; diopters, focal length, prescription glasses, eye, accommodation, reading
![a convex lens of power +6 dioptre is placed in contact with a concave lens of power-4 dioptre. What will be the nature and focal length of this combination? a convex lens of power +6 dioptre is placed in contact with a concave lens of power-4 dioptre. What will be the nature and focal length of this combination?](https://d10lpgp6xz60nq.cloudfront.net/web-thumb/644106349_web.png)