I tried wiping & blowing off the dust on the lens of my dSLR but the tiny small spots are still there. However, when I look at the photos I have taken, the small spots are nowhere. I’m wondering what are those. How can I remove them?
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If you are seeing the spots on the front element of your lens, you need to be careful when cleaning them. Using a solution or rubbing can damage the lens’s coating.
If you are seeing the spots when looking through the eyepiece, most likely you have spots on the dslr’s mirror. The mirror is very fragile. If you can use a blower or dustoff product to remove them (after removing the lens) then you’re good. If not, take the camera into an authorized camera service center for a thorough cleaning.
Digital SLR’s are notorious for attracting dust into the body, when you change lenses. Develop a regular routine that includes the followiing:
1. Learn to change lenses quickly. With practice, you can uncap, change lenses, and recap in seconds.
2. Change lenses with the camera body facing downward. This way, you are less likely to let dust fall into the vulnerable open body.
3. Avoid windy areas when changing lenses. All the dust you find in your hair can also find its way into your camera equipment. Be especially careful when at the beach, as the salt spray can be fatal to your equipment.
The good news, is that if you don’t see the spots on the photos, then the spots aren’t on the digital sensor.
Hope this helps.
If you can see them in the viewfinder, they are likely dust specs on the camera mirror or viewfinder prism.
You can’t see dust on a lens through the viewfinder.
Try using a good blower bulb (many to chose from at a good camera store) and use it on the camera mirror and viewfinder prism.
Avoid blowing with your mouth because it’s easy to accidentally spit and make a bigger mess. DO NOT use a can of “compressed air” because they are not full of air, they are full of cleaning chemicals.
There are probably some specs of dust on the focusing screen located above the reflex mirror. Whatever you do, DO NOT TOUCH THIS OR TRY TO BLOW ON IT WITH YOUR MOUTH! Seriously, it is *very* easy to scratch. Instead take a standard bulb blower, which can be found at any real camera store (or online), and give it a few puffs. That should dislodge any foreign debris. Try to do with with the body facing down though, just so that the dust doesn’t end up clinging to your sensor.