Entrance-Exit Pupils

[@lindsaycharlotte4490]

Thank you for this video! extremely helpful.

[@mousee7707]

I cannot see what you are doing very well. I really wanted to learn how to do this!

[@jhm920]

Wow!!!!Thank you for this video!!!!

[@mahfa7513]

thanks for your the time to make this video great

[@ondermetu]

Thank you for your efforts!

[@designerguy13-photonics]

That was really helpful

[@Jekku1987]

Really helpful for my optics exam. Thank you!

[@komal1478]

How did it go?

[@Jekku1987]

@@komal1478 Very well, thank you.
I got a 91 in the course. It was also very interesting and enjoyable.

[@MannImAnzug]

THX
That's helpful.
I have a Optics final exam .

[@alanjames5315]

did u pass ?

[@ivanwang6062]

You saved my day

[@ph_ahmedali2207]

Where are you from darling

[@Honey-ut5ym]

I filmed this

[@aftabaftab9722]

awful taking video!!!!. its not clear what are u doing exactly!!!only urself see it!!