Should i exchange my canon 17-55 2.8 for another one? Would you?

Started May 18, 2014 | Discussions thread
Mark B. Forum Pro • Posts: 24,493
Re: And ...

Cameranoobie wrote:

Doug J wrote:

Cameranoobie wrote:

darklamp wrote:

.. was there anything obviously wrong with the resulting images ( that wasn't likely your own fault ) ?

That's the sole criteria you can judge the lens by, IMO.

Not at all. But it just bothers me when theres dust on the inner element out of the box. Unacceptable for a $1000 lens. If it has dust from the factory, i worry about how it will look a month from now. This is why im taking off the lens everyday and sticking my flashlight in it to inspect. You may say that im anal about this, but im sure im not the only one.

What you're going through is probably not uncommon for someone relatively new to a DSLR and a high-value lens purchase. Over time you'll probably learn that some dust in a lens is relatively common and doesn't affect the photos.

There are lenses with reputations for collecting dust, the EF 100-400mm L is one of the more well known. It's a push-pull zoom, frequently called the Dust Pump - lots of posts about internal dust, and lots of posts how it doesn't affect the photography.

I have 11 Canon lenses from wide angle to super telephoto and don't remember when I last checked for internal dust, mostly I just clean the front elements once in a while, and then only when needed.

You can use your flashlight for better things


Wont dust over time risk scratching the lens?

Not unless they are large grains of sand or pebbles.

Yes im sure i come across as paranoid sticking a flashlight down the lens everyday.


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