mristuccia
Well-known member
Beautiful image, and a glimpse of The Third Landscape.
ALPA Max + SK72/5.6 L + P45
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Beautiful image, and a glimpse of The Third Landscape.
ALPA Max + SK72/5.6 L + P45
I *have* noticed focus shift at f/8, but have had a hard time giving a convincing demonstration of it. Stopped down focusing works pretty well, even when magnified. Focus peaking is often clearer at f/8, so it's a good thing to try. I reset on of my buttons to DoF preview (now I just have to remember which button...).Still getting the hang of the XCD 28P. I like the focal length a lot but I'm not sure if there is some strong focus shift going on when I'm stopped down to F8 or more. I focus manually and feel that the plane of focus (which, incidentally, seems quite curved) becomes shifted back in the actual photograph. Has anyone else with this lens (e.g. @MGrayson) noticed anything like this?
907x CFV 50C II and 28P
Thanks for doing this. It's interesting you notice some variation. That is my early experience too. What I am now doing is focussing on part of the scene that is at the front of the range of what I want in focus and assuming that the depth of field will largely go backwards from there. Mostly that seems to be a good method so far but after reviewing some photos taken last night, I notice a few where the depth of field seems to be behind and beyond the point on which I'm sure I was focussing. (I was doing it all handheld so I can't be certain that I hadn't been sloppy). I don't expect the 28P to be perfect – it's not marketed as a lens for landscape and, given its size and price compared to the non-P lenses, I assume there are compromises in its optical design. In truth, my 45P, which I like very much, also has some DOF weirdness but in the opposite direction (I find that I need to focus back into a scene to ensure a good DOF balance as the DOF tends to come forwards from the point of focus).I *have* noticed focus shift at f/8, but have had a hard time giving a convincing demonstration of it. Stopped down focusing works pretty well, even when magnified. Focus peaking is often clearer at f/8, so it's a good thing to try. I reset on of my buttons to DoF preview (now I just have to remember which button...).
I just did the experiment again twice. The first time, definite focus shift. The second time, no focus shift. I'm not touching the focus ring on the lens. How can there be variation? Too much coffee early in the morning. I'll have breakfast and try again.
Fixer-upper?
ALPA Max + SK72/5.6 L + P45
I no longer have the 28P, but I also did notice some unexpected focus behavior (talking about achieving the best DOF over the entire frame).Still getting the hang of the XCD 28P. I like the focal length a lot but I'm not sure if there is some strong focus shift going on when I'm stopped down to F8 or more. I focus manually and feel that the plane of focus (which, incidentally, seems quite curved) becomes shifted back in the actual photograph. Has anyone else with this lens (e.g. @MGrayson) noticed anything like this?
907x CFV 50C II and 28P
So, I understand you sold it, eventually....I no longer have the 28P, [......]
I've never successfully managed the Roger Cicala grassy slope field curvature test. It looks really good when he does it...If I had to pick between the two poisons (Focus Shift and Curvature) I would much rather deal with focus shift as it is something I can control and get excellent results. Curvature has no control other than stopping way down to equalize the image and by that point diffraction has stolen a lot of pixels. I guess there is always that once scene where curvature just happens to work out but those are pretty rare.
Victor B.
Anyone know if the Pico is going to be a commercial reality? Haven’t seen anything since the original posts about it here.Jean-Pierre Pieve, MD of Arca Swiss. At Arca HQ. Yes, that's the new Pico on the table next to him.
View attachment 212498
Neither have I but I have to admit I haven't really devoted the time necessary to get it to work. As I recall he does outline the steps. Curvature is an almost 'goodbye' for me for any lens.I've never successfully managed the Roger Cicala grassy slope field curvature test. It looks really good when he does it...
More like a 'grower-upper' at this rate!Fixer-upper?
Excellent composition, Marco!
There was a comedian who had a "You might be a redneck if..." series of jokes. My favorite was "you mow your lawn and find a Buick."More like a 'grower-upper' at this rate!
Who needs a garden when you've got a car engine sprouting bushes?
Thank you Darlene for your kind words.Excellent composition, Marco!
The alignment of the tree's trunk with the corner shadow creates a striking harmony, while the tree's shadow extends to the right, adding a distinctive balance to the shot. Bravo on capturing such a unique perspective!
Anyone know if the Pico is going to be a commercial reality? Haven’t seen anything since the original posts about it here.