Have you ever cleaned your A7iii sensor?
Yes. It's relatively easy and quick.
Think of it like this: people who drive cars stop to put gas in their fuel tank from time to time - it's routine. People who take pictures with an ILC clean their sensor from time to time.
It's one of those straightforward maintenance tasks that comes with the territory. Booking your camera in for service when the sensor acquires an ordinary dust spec or two is a bit like booking your car in for service whenever the gas tank is getting a bit low.
Having shivered and quaked and sweated over cleaning a Canon dslr sensor, I'm not at all thrilled about cleaning my A7iii sensor.
From my experience, cleaning a dSLR sensor is quite a lot more tedious and challenging than cleaning a FF ML sensor on a camera such as the a7iii.
That's mostly because the a7iii sensor is a lot easier to access. However it is a good idea to follow the procedure to lock IBIS before you start (that's done using the "cleaning mode" option in the menus).
Most of my work is low light so dust hasn't been an issue in my images.
I assume you mean that because you are in low light you are using wide aperture settings. It is the wide apertures that prevent you from seeing dust, not the low light per se.
For some of my low light work, I use a tripod and long exposures with small apertures to get increased DOF, and any dust would be an issue in that situation.
For outside work I really prefer using a micro43 or the Sony RX10iv - much great variety of lenses for the micro43!
Notwithstanding that, you should be able to use your FF cameras outside, if you choose, without being too concerned about dust.
As others have said, in most situations, a decent puff with a large rocket blower is sufficient - especially if you take reasonable care about how you change lenses (e.g. work swiftly, keep the camera opening pointed down and avoid changes in windy or dusty conditions).
Even if you acquire spots on your sensor that a blower won't dislodge, more thorough cleaning is pretty straightforward with ML. A gel stick, sensor brush or swab clean is pretty easy.
Bear in mind that what you will be cleaning is not actually the sensor itself, but the cover glass layer that protects it. It's pretty robust, however - even in the event you manage to scratch it or worse, Sony can replace the cover glass for you without having to charge you for a whole new sensor.
It's not something to shiver and quake and sweat over. If you know how to clean the top of a glass coffee table, you will be able to clean your sensor (and in less time). ; )
--
Former Canon, Nikon and Pentax user.
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