Understanding aperture settings

[grass]

Being very new to camera world, the first time I've used this word was a few weeks ago :o

I'm looking for any advice on this subject you have.

I don't understand what low vs high aperture settings do, or how to know what aperture setting to use.




Thank you,
Nicholas

[Warman]

I would advice visiting this webpage.

http://209.196.177.41/03/03-03.htm

It helped me a great deal when i was starting.

[s00pcan]

Yeah I learned a lot of what I know from that.

[grass]

That's what I've been looking for!


Thank you!

[house]

Yup - I printed that entire book and read it - very helpful.

A quick answer for your aperature question though. Aperature is the opening through which light hits the 'film' (ccd). Large aperature (small f number) will give you little depth of field and a quicker shutter speed. Small aperature (higher f number) will give you a greater depth of field and a longer shutter speed. It's all about reciprocity.

[grass]

Thank you for the information :D Printing it out sounds like a good idea.

[s00pcan]

Btw, I have a question that I've been wondering about for a while. If DOF get shorter when the aperature is larger, (which means more light from more directions) then why does the DOF get larger when you use a wide angle lens? Just because the focal length is shorter?

[4walls]

Btw, I have a question that I've been wondering about for a while. If DOF get shorter when the aperature is larger, (which means more light from more directions) then why does the DOF get larger when you use a wide angle lens? Just because the focal length is shorter?

Yes, a telephoto lens will give you a more shallow depth of field and the wide angle (like our G3 lenses which are around 8mm) give a larger depth of field.

If you want shallow depth of field ZOOM IN.