Not a photo guru but the old sealife does work for me
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...and that's how I ended up picking the A6300 I figured that the ability to fit a proper zoom lens, plus the extra control options, are worth more (to me) than the RX100's portability.
Regarding the cost though - the way I see it, after you finish paying for housing, tray, arms, lights/strobes, wet lenses, etc, not to mention the diving gear, the $300-400 difference between CDAF-only and PDAF-enabled body will be a relatively minor part of your total capital outlay - yet it will be felt every time you press the shutter button.
"what typewriter brand are you using, Mr. Hemingway?"
That also requires that the user understands that shooting RAW is not the magic answer for everything and one can't get a good RAW with a poor quality optics or sensor. For example, Olympus TG-4 shoots RAW but it is of poor quality noisy RAW at ISO 400 and higher. Also, Olympus RAW files are not read by LR5 and earlier versions. So unless you are willing to pay $142 for the standalone version of LR6 or subscribe for $9.95/month, you have to use Olympus Viewer 3 which is slow, clumsy, and lacks the essential "clarity" and "vibrance" functions of LR. Canon s90 shot better quality RAW but purple fringing was bad with all 4 or 5 cameras I used, flooding one after another.For me, the ability to shoot raw format would be first, second and third priority. Raw shooting eliminates any need for custom WB, since the camera white balances by discarding sensor info. The raw file contains all the info that the sensor captured, so WB'ing in post carries no IQ penalty. As a bonus, the raw file also allows for a lot more shadow/highlight recovery without significant IQ loss.
Of course, that requires that the user is comfortable with PP'ing on their computer in the first place...
No matter the optics, raw file recording gives about a ton more latitude in post. And totally eliminates the need for custom WB during the dive.one can't get a good RAW with a poor quality optics or sensor.
No matter the optics, raw file recording gives about a ton more latitude in post. And totally eliminates the need for custom WB during the dive.
WB is pretty much the only thing that RAW eliminates. As for the additional latitude, this also boils down to your sensor size and quality. With a larger APS-C size sensor the difference between the RAW and the JPEG dynamic range is greater, so one can restore more of the over- or under-exposed pixels (assuming, under- or over-exposure is not too bad) than with a small sensor like TG-4's, where shooting RAW or JPEG has little difference in this regard.No matter the optics, raw file recording gives about a ton more latitude in post. And totally eliminates the need for custom WB during the dive.