thanks but it does not really give you the workflow: 1. magnify, 2. autofocus, 3. release because it always jumps back in every mode.
At half press, the AF system get's engaged (except MF), and, as you noted, at half press it always returns to normal 1.0x framing view, including MF.
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Note: magnification powers 5.3x and 10.7x are for the rx100m6. The magnification powers may be different for the RX10m4, but the method is the same.
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I never knew it had this method of magnification feature, but, thinking about it:
Let's call it Pre-Magnification (prior to half-press, or prior to full press).
It is
for people not using DMF or MF, i(t is not needed or intended for DMF or MF).
OK, what might we use this pre-magnification for?
View Magnified-Find-Wait-Shoot
I think it is so you can magnify, either 5.3x or 10.7x, see, view, find ____? (something you cannot see clearly at 1.0x).
Wait till a cloud or shadow moves, something stops moving, the bird turns it's head, something flies in front:
time to take the shot. half press, or full press to finish the shot.
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In MF, the AF system is never involved. You turn the front ring to focus, magnification assist is automatically initiated when you turn the front ring, 5.3x. press center button to toggle to 10.7x.
MF: half press does not engage the AF system, it holds what you set with the front ring, It returns to normal framing view 1.0x at half press. You simply confirm your composition. Turn the front ring a speck, it magnifies again, wait, perhaps refine the focus, wait, take the shot. Of course you can simply set focus manually and shoot without waiting.
DMF is normal half press AF-S (part 1), with
option to use MF refinement (part 2)
DMF, part 1, you half press, AF-S occurs as normally in framing view 1.0x. No magnification involved. You can simply finish the shot (just like using AF-S).
DMF OPTIONAL part 2: hold the half press, and turn the front ring, takes you to MF so you can quickly refine that AF-S focus distance with MF with magnification assist.
DMF can be faster than MF because initial half press the AF system gets the lens in position, and if refining using MF, only a very minor turn of the front ring, very minor lens movement is needed.
i.e. AF finds the birds head, you refine it for it's eye, very quickly. MF, it takes longer to rotate the front ring further in or out, to find the head, then find the eye, because AF-S has not occurred.
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Elliott