sensor dirt enquiry?

chisel

Hi all,


I reckon I have some sensor dirt but need a reality check here:

Dirt is only visible at high F stops eg F14 and above.

Dirt is visible through 2 different lenses in same spot

Dirt is visible on viewfinder (ie mirror down, as normal when focussing etc)


My problem is how come I can see it in the viewfinder?

Any preference between the cleaning from conns or the camera exchange (camera exchange is half the price of conns)

Fran

ps camera is a canon 500d with F4L24-105 and F4L70-200

CabanSail

Dust on the sensor will be most visible when the Aperture is shut down.

It's a good idea to learn how to clean your sensor yourself. It is not hard with the right gear & cheaper in the long term.

You may also have dirt in you viewfinder or on the reflex mirror, but this will not affect your images.

pixbyjohn

http://www.dml.ie/
This company is offering free sensor cleaning til 28th. February.
Normally you cannot see sensor dirt through the view finder. If you can see dirt it is most probably on the mirror or prism but only sensor dirt shows up on photo and as CabanSail says dirt on sensor is more prone to show up in higher F settings as you have experienced yourself.