IGCSE/GCSE/O & A Level/IB/University Student Forum

Qualification => Subject Doubts => IB => Sciences => Topic started by: ~HyDrOgEn~ on December 30, 2010, 04:00:51 am

Title: Spherical Aberration
Post by: ~HyDrOgEn~ on December 30, 2010, 04:00:51 am

What is spherical aberration ?
Help Please :D

Title: Re: Spherical Aberration
Post by: Deadly_king on December 31, 2010, 05:08:09 am

Quote from: ~HyDrOgEn~ on December 30, 2010, 04:00:51 am

What is spherical aberration ?
Help Please :D

It is the blurring of an image that occurs when light from the margin of a lens or mirror with a spherical surface comes to a shorter focus than light from the central portion.

The changing focal length is caused by deviations in the lens or mirror surface from a true sphere.

(http://www.daviddarling.info/images/spherical_and_parabolic_mirror.gif)

This (http://www.mediacy.com/index.aspx?page=Auto_App_Spherical) can also help you understand its meaning.

I hope it helps :)

Title: Re: Spherical Aberration
Post by: ~HyDrOgEn~ on December 31, 2010, 05:43:02 am

Quote from: Martin Luther King Jr on December 31, 2010, 05:08:09 am

It is the blurring of an image that occurs when light from the margin of a lens or mirror with a spherical surface comes to a shorter focus than light from the central portion.

The changing focal length is caused by deviations in the lens or mirror surface from a true sphere.

(http://www.daviddarling.info/images/spherical_and_parabolic_mirror.gif)

This (http://www.mediacy.com/index.aspx?page=Auto_App_Spherical) can also help you understand its meaning.

I hope it helps :)

Thank Yo ,Finally someone replied !!!!!!!!!!!! , it is helpfull :)

Title: Re: Spherical Aberration
Post by: Deadly_king on December 31, 2010, 05:57:51 am

Quote from: ~HyDrOgEn~ on December 31, 2010, 05:43:02 am

Thank Yo ,Finally someone replied !!!!!!!!!!!! , it is helpfull :)

No problem. :)

Actually I was absent for a few days. :-[

THis is why I was a bit late. :-\