Does anyone want to buy my old vacuum cleaner?
It's just collecting dust.
A speck on the dust on the front element of a lens can be irritating to look at, but unlikely to affect image quality because it won't be in focus. A speck on the rear element can be a bit more problematic, especially if the aperture is stopped down, and is certainly noticeable on the sensor. If you shoot primes rather than zooms, your sensor is much more likely to collect dust. I always turn my back to the wind when changing my primes, and keep the camera body facing down throughout the process.
Q. Why did the dust pan break up with the broom?
A. Because it was sweeping around
I carry a couple of those little glasses sachets for wiping off grease on my lenses, and am not afraid in the field to use my T-shirt to wipe off dust from the front element either, because a lens is actually a good solid little chunk of glass, not as delicate as some people think. It's the coatings we need to keep chemicals away from.
But what about that sensor? That has to be treated extremely carefully.
All the current Pentaxes offer a dust removal system that shakes the sensor at high speed to dislodge resting dust.
Anything actually stuck would need one of those cleaning kits with a blower or swab to be used.
The system is even more handy on the Ricoh GR III or Pentax K-01, because a mirrorless camera lacks the mirror protecting the sensor between shots.
I do set mine to engage automatically both at switch on and switch off, as per the screenshot below.
To finish this week, before a king goes on a Crusade, he puts a chastity belt on his wife, gives the key to his best friend and says, "If I don't come back in three years, set her free."
He starts off on his horse. After a while, he sees a big cloud of dust, someone galloping after him. So, he waits. It's his best friend.
"What's wrong ?" the king asks.
"You gave me the wrong key", yells his friend.
The rest of the series here:
Clackers' Beginners Tips (Collected) - PentaxForums.com
Last edited by clackers; 04-14-2022 at 09:25 PM.
Originally posted by UncleVanya 
Post #1 by clackers
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