Showcase Sony FE 135mm f/1.8 GM

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Thank you for the link Ad and for the tip about having (-)1 stop exposure. But that doesn't work all the time, does it ?
Well, actually it does, for me at least. With lots of contrast a -1 stop EC (exposure compensation) mostly prevents blown highlights, in extreme situations I went to -2 or even -3 stops. EC in low contrast scenes wouldn't be necessary, but applying this -1 stop EC theoretically produces more noise than strictly necessary, but because it's low contrast, the shadows aren't very deep so I didn't consider shadow noise objectionable up to ISO 1600 or so. Of course, the acceptability of shadow noise depends on subject matter and the photographer's tolerance to noise. I'm not very sensitive to noise.
 

bdbits

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Third and fourth gen Sony sensors are extremely good when it comes to pulling up shadow details. I almost never bracket anymore. But you cannot pull down highlights really, because the details are not there if highlights are blown out. So it is pretty much always preferable to underexpose when faced with more extremes of dynamic range, then pull up shadows in post.

Current sensors are also often referenced as ISO-less or ISO invariant. Jim Kasson and Bill Claff have done a lot of technical work that appears to show sensor gain increases from base until 640, then drops again (I think I said that right). Since that gain is what produces noise, this is why some recognize an advantage at 640 versus slightly lower ISO. You may want to experiment with it a little.
 

Richard Crowe

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A simple way o achieve the best exposure under most circumstances is to take advantage of exposure bracketing. The Sony cameras have great bracketing systems...

However, there are some circumstances (shooting action is one) in that exposure bracketing is counter productive.

I am going to do a test with my A7iii shooting with ISO 640... For an old timer like me, ISO 640 is an amazingly fast ISO!
 

Antonio Correia

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Richard... we are all waiting. :laugh:
Regarding the button of the focus distance I also have something to say but I will do it tomorrow ! :thumbup:
 
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Antonio Correia

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Today I make an experiment with the great Sony 135mm GM. It is not a professional experiment, no. Far from it. Just to be sure that the lens doesn't focus at extreme distances when changing the position of the switch. It is so obvious isn't it ? Yes, I know, but never mind.
Thank you for viewing and commenting.

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Antonio Correia

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and starting shot
i-mxS4kQg-X4.jpg
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Antonio Correia

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Today the frog appeared in the small lake we have in the garden. The fish made a subtle appearance...

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Antonio Correia

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The frog strikes again ! But now... on a lettuce !
EDIT - I warmed the photograph a tad. Now, it looks better.

i-DCBq94C-X4.jpg
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Antonio Correia

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From last saturday :)

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Antonio Correia

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Thank you for the thumb, Ad ! :)
Ad, this picture is not as perfect as I would like.
The far end is not focused. Shame on me ! Next time !
Cheers ! :)
 

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