Microscopy: Lenses and Image Formation (Daniel Fletcher)

Learn more: www.ibiology.org/talks/lenses...
Light microscopes use lenses. The basic properties of light, how light interacts with matter, the principles behind refractive lenses and how lenses form (magnified) images will be introduced in this talk.

[@jensrietdorf1177]

great basic tutorial. Very useful.

[@nyqa]

This was awesome! Love the experiments and detailed explanations

[@IftakHussain]

Nice Sir Fletcher.....good tutorial....I like your mobile microscope....CellScope...

[@SuperChloroplast]

very good tutorial - thank you

[@alejandrocastellanossanche6637]

Very useful!! Thank you

[@oryperelsman4960]

great video!

[@AlsXZ]

28:55 I thought there must be a small (infinite small? ) point of light in focus but there's a spot. Why?

[@xyandz1913]

Congratulations!

[@sanzharaitbay7267]

9:40 the angle of the refracted wave has the wrong sing to it, oder ?

[@nadinhanaysha1363]

When using light microscopy, do you start from the largest or the smallest distance (between the lens and? The specimen)? Why

[@poodook]

You start with Lowest magnification and hence largest working distance.

[@nadinhanaysha1363]

@@poodook ok , Thank u

[@sollinw]

supergood

[@carposporophyte]

Paul Rudd?

[@user-cb6ot1mn2u]

هسه انا شفتهم عود، 😂😂😂

[@lesliedellow1533]

I remember doing this as a school boy. Today it is university level education.

[@anonviewerciv]

The optics you learn in high school physics, basically.

[@jameskellinger8314]

Please don't wave your hands--it is very distracting