Nikon Spots?

William Lewis

Veteran
Location
Hayward WI
Real Name
William Lewis
So I posted an image yesterday and was gently informed that there were spots on it that I hadn't noticed. So I ran the sensor cleaning cycle (I have it set to do it on start and shutdown but it seems to run much longer when invoked.) I also cleaned the lenses I had used for the previous images.

This morning I went outside to test it and took a couple of images of sky.

This first one looks good.

DSC_1501.JPG


but then this one still has a spot on it:

DSC_1503.JPG


Argh. What is my next step?
 
At some point you need to use a wet cleaner on the sensor.

I use this brand for my full-frame cameras:

But for this one spec- I would set the camera to "sensor clean mode" where the shutter opens up for a cleaning, and use a good blower.
Some people use the "Sticky Sticks" for cleaning- which I should try at some point. I've gotten away with cleaning the sensor every couple of years.
 
My method for testing for spots is to set the lens at infinity, stop it down, then take a picture of the inside of a lamp shade up close. The idea is that dust/grime is on the front of the filter stack.

Shooting the lens at F2 and Infinity- a small dark spot will show up as a big and diffuse spot.
 

William Lewis

Veteran
Location
Hayward WI
Real Name
William Lewis
Hrm. Got a cleaning kit. Followed the instructions and did the cleaning process twice (once dry swab, once wet) but I still have that spot there. This is getting annoying. Sigh.
 

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