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Discussion Overview

The thread features a collection of random photos shared by participants, encompassing various subjects such as landscapes, wildlife, and personal experiences. The discussion includes comments on the photos, questions about techniques, and reflections on the memories associated with the images.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • Participants share a variety of photos, including landscapes from Central Park, autumn scenery, and wildlife encounters.
  • Some participants inquire about the techniques used to capture certain images, such as whether a photo was taken from a drone or a window.
  • There are discussions about specific details in photos, such as the appearance of clouds and shadows in mountain images.
  • One participant shares a story about a pet cat and relates it to the theme of unpredictability in experiments.
  • Another participant mentions a photo contest and reflects on past submissions and votes received.
  • There is a mention of a specific fungus or mold growing on a branch, with one participant speculating on its identity.

Areas of Agreement / Disagreement

Participants generally share their photos and experiences without reaching a consensus on specific technical aspects or interpretations of the images. Multiple viewpoints and interpretations are present throughout the discussion.

Contextual Notes

Some discussions involve assumptions about photographic techniques and the conditions under which photos were taken, which are not fully explored or resolved.

Who May Find This Useful

Individuals interested in photography, nature, and personal storytelling may find the shared experiences and insights valuable.

  • #3,721
And a cameo from Jeffrey Dahmer:

Skærmbillede (165).webp



I'll stop now.
 
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Physics news on Phys.org
  • #3,722
DennisN said:
Felix now will become immortal in the racing world.
Yes, it was a very dramatic finish. In horse-racing terms, he "won by a nose." I suppose you've seen the "photo finish".
 
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  • #3,723
jtbell said:
I suppose you've seen the "photo finish".
Yes. It was a very tight finish. :smile:
 
  • #3,724
Some (manual focus) bird photos @ 400mm, f/5.6, 1/640s:

Grackles:
DSC_8340.webp


DSC_8344.webp


Like @collinsmark, I tried to show the iridescent feathers... tough to do, these guys don't stand still for more than a second or so..

juvenile cardinal:
DSC_8374.webp


blue jay:
DSC_8394.webp


Even @ f/5.6, because I am working a close focus distance, the depth of focus is at most a cm or so, but I can't stop down too much more or my shutter speed will have to increase (or else the ISO goes up to 2000 or more)... there's always a trade-off to negotiate.

I like jelly! (sparrow)
DSC_8380.webp


What you want from me? I just woke up! (juvenile downy woodpecker)
DSC_8403.webp


a very dignified catbird:
DSC_8405.webp


Psst! Over here! I'm a rodent, but cute- not like rats!
DSC_8421.webp
 
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  • #3,725
blue_spider.webp


Cutest dancing spider I've ever seen (1-2mm).

EDIT: Oh, not my photo. just FYI.
 
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  • #3,726
Andy Resnick said:
Some (manual focus) bird photos @ 400mm, f/5.6, 1/640s:

Grackles:
View attachment 372015

View attachment 372016

Like @collinsmark, I tried to show the iridescent feathers... tough to do, these guys don't stand still for more than a second or so..

juvenile cardinal:
View attachment 372017

blue jay:
View attachment 372018

Even @ f/5.6, because I am working a close focus distance, the depth of focus is at most a cm or so, but I can't stop down too much more or my shutter speed will have to increase (or else the ISO goes up to 2000 or more)... there's always a trade-off to negotiate.

I like jelly! (sparrow)
View attachment 372019

What you want from me? I just woke up! (juvenile downy woodpecker)
View attachment 372020

a very dignified catbird:
View attachment 372021

Psst! Over here! I'm a rodent, but cute- not like rats!
View attachment 372022
Although you're probably as full of parasites and rodent diseases as any "other" rat. :woot:
 
  • #3,727
My cat taking a nap behind the curtains :smile::

s1 (Vivitar 100mm f2.8).jpg.webp

(shot with Vivitar 100mm f/2.8)
 
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  • #3,728
Andy Resnick said:
Psst! Over here! I'm a rodent, but cute- not like rats!
A very cool shot!
 
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  • #3,729
Non-bird/critter related Nebraska pics, part 1.

I'll start with a series of photos I took from the passenger seat of a car while diving from place to place (I wasn't driving). These picture were all taken at full speed (roughly 55 mph [90 km/h]) through the window glass. All photos in this series were taken with the 50mm Summilux-M ASPH, at around f/8, 1/4000 sec.

L1003843.webp

Figure 1.

L1003846.webp

Figure 2.

L1003851.webp

Figure 3.

L1003855.webp

Figure 4.

L1003862.webp

Figure 5.

L1003893.webp

Figure 6.

L1003894.webp

Figure 7.

L1003899.webp

Figure 8.

L1003915.webp

Figure 9.

Note that all these pics so far were taken with the car moving at highway speeds with the window rolled up. None of this, "Oh, stop the car, let me take a picture." Nope. Nothing like that. I wasn't even looking through the viewfinder. It was just me and my sister driving from place to place with the radio on, having a conversation while I just held the camera up to the window, and started snapping photos when something possibly interesting went by.

The image below (see Fig. 10) shows how to set up a camera for that.

L1050299.webp

Figure 10. Camera settings setup for these "from-inside-moving-car" pics. Note how the focus ring is rotated such that the [itex]\infty[/itex] symbol is lined up with number corresponding to the selected f-stop (8 in this case). That's hyperfocal distance focusing. -- Also, this image of my Leica was taken with my other Leica *snort*. 'Looks like my M11-P's top plate is already showing some patina (that's expected). This rangefinder camera is getting a lot of use.

Some key takeaways are:
  • Fast shutter speed. I took all the photos above in the series at 1/4000 sec, but that might have been overkill; but try and make it fast, like 1/1000 sec or faster. Avoid electronic shutter since rolling shutter can be an issue here.
  • Moderate aperture. You want to get all of your scene in focus (no time to change focus) so you'll want a decent depth of field. But not so much that you introduce a lot of noise (recall the fast shutter speed). For 50mm or less focal length, it's tough to go wrong with f/8.
  • Use auto-ISO if you have it. If your camera doesn't have auto-ISO, use the Sunny 16 rule, I guess. You can figure that part out.
  • Pre-focus your camera/lens on its hyperfocal distance and leave it. Fig. 10 shows an example of how to set that up on a manual focus lens. Line up the [itex]\infty[/itex] symbol with your selected f-stop indicator line in the right side of the DoF markings. If you're using an autofocus system, turn autofocus off. Focus manually. Autofocus is not your friend for these types of shots.

So what if your lens doesn't have DoF indicators on it?? How to know what the hyperfocal distance is? There are online calculators to help. The app PhotoPills (for iPhone or Andriod) has a built in hyperfocal distance calculator.

Note that this advice is to keep the largest depth of field possible while removing motion blur. That's only one way to take photos from a moving vehicle, or of a moving vehicle. Maybe you want some motion blur? That can be okay too. Stay tuned for a future post, where I'm back in San Diego, and take the opposite approach and shoot with intentional blur. I have more Nebraska pics first though.

To be continued. ...
 
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  • #3,730
collinsmark said:
Non-bird/critter related Nebraska pics, part 1.

I'll start with a series of photos I took from the passenger seat of a car while diving from place to place (I wasn't driving). These picture were all taken at full speed (roughly 55 mph [90 km/h]) through the window glass. All photos in this series were taken with the 50mm Summilux-M ASPH, at around f/8, 1/4000 sec.

View attachment 372041
Figure 1.

View attachment 372042
Figure 2.

View attachment 372043
Figure 3.

View attachment 372044
Figure 4.

View attachment 372045
Figure 5.

View attachment 372046
Figure 6.

View attachment 372047
Figure 7.

View attachment 372048
Figure 8.

View attachment 372049
Figure 9.

Note that all these pics so far were taken with the car moving at highway speeds with the window rolled up. None of this, "Oh, stop the car, let me take a picture." Nope. Nothing like that. I wasn't even looking through the viewfinder. It was just me and my sister driving from place to place with the radio on, having a conversation while I just held the camera up to the window, and started snapping photos when something possibly interesting went by.

The image below (see Fig. 10) shows how to set up a camera for that.

View attachment 372039
Figure 10. Camera settings setup for these "from-inside-moving-car" pics. Note how the focus ring is rotated such that the [itex]\infty[/itex] symbol is lined up with number corresponding to the selected f-stop (8 in this case). That's hyperfocal distance focusing. -- Also, this image of my Leica was taken with my other Leica *snort*. 'Looks like my M11-P's top plate is already showing some patina (that's expected). This rangefinder camera is getting a lot of use.

Some key takeaways are:
  • Fast shutter speed. I took all the photos above in the series at 1/4000 sec, but that might have been overkill; but try and make it fast, like 1/1000 sec or faster. Avoid electronic shutter since rolling shutter can be an issue here.
  • Moderate aperture. You want to get all of your scene in focus (no time to change focus) so you'll want a decent depth of field. But not so much that you introduce a lot of noise (recall the fast shutter speed). For 50mm or less focal length, it's tough to go wrong with f/8.
  • Use auto-ISO if you have it. If your camera doesn't have auto-ISO, use the Sunny 16 rule, I guess. You can figure that part out.
  • Pre-focus your camera/lens on its hyperfocal distance and leave it. Fig. 10 shows an example of how to set that up on a manual focus lens. Line up the [itex]\infty[/itex] symbol with your selected f-stop indicator line in the right side of the DoF markings. If you're using an autofocus system, turn autofocus off. Focus manually. Autofocus is not your friend for these types of shots.

So what if your lens doesn't have DoF indicators on it?? How to know what the hyperfocal distance is? There are online calculators to help. The app PhotoPills (for iPhone or Andriod) has a built in hyperfocal distance calculator.

Note that this advice is to keep the largest depth of field possible while removing motion blur. That's only one way to take photos from a moving vehicle, or of a moving vehicle. Maybe you want some motion blur? That can be okay too. Stay tuned for a future post, where I'm back in San Diego, and take the opposite approach and shoot with intentional blur. I have more Nebraska pics first though.

To be continued. ...
Leica is a classic.

As an aside the road is closed, but what road? I don't see any! :smile:
 
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  • #3,731
@ more interesting (to me) bird photos:

1) This grackle was oriented 'just so' to both sun and camera to enable a decent in-focus shot of the feather iridescence. Remember, most of the time grackles appear jet-black, not metallic blue and bronze:

Untitled2.webp


2) catbird. For whatever reason, the feather pattern and sensor geometry aligned to generate colorful Moiré patterns (in the center):

Untitled.webp


It's worth noting that this (jpg) image was generated in-camera. I don't have the original RAW file to compare with, so it's possible that the in-camera RAW-tiff conversion algorithm had a role as well.
 
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  • #3,732
collinsmark said:
Note how the focus ring is rotated such that the [itex]\infty[/itex] symbol is lined up with number corresponding to the selected f-stop (8 in this case). That's hyperfocal distance focusing.

That's a great tip! I didnt know this 'trick'- so easy, thx!
 
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  • #3,733
Nebraska bird pics, part 4.

L1040056.webp

Figure 26. Mourning dove (Zenaida macroura).

L1040155.webp

Figure 27. House Sparrow (Passer domesticus). There weren't very many sparrows around for this trip (or finches for that matter). This is the only one I got.

L1040173.webp

Figure 28. Common grackle (Quiscalus quiscula).

L1040175.webp

Figure 29. Blue jay (Cyanocitta cristata). I like how the feather pattern is a continuation of the twig. It makes me wonder if the blue jay's twig-looking neck pattern has any evolutionary significance.

L1040204.webp

Figure 30. Common grackle in flight (Quiscalus quiscula). Lots of colors came through in this shot (not typical).

L1040327.webp

Figure 31. America robin (Turdus migratorius).

L1040363.webp

Figure 32. Blue jay (Cyanocitta cristata).

L1040421.webp

Figure 33. Blue jay (Cyanocitta cristata).

To be continued. ...
 
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  • #3,734
Some bird photos from me too...
Today I revisited one of the cemeteries in the city where there are some various bird species, and I managed to find one redstart (I'll post this later).

But at first I was approached by a hooded crow (corvus corone cornix).
It turned out to be a cool dude (or dudette perhaps?); I had some bird food with me and I fed the crow some, and then the bird started following me around :smile:.

305m2.webp

The crow carrying some food I gave it.


It followed me for at least 50 meters/yards (165 feet), and it did so by foot.
It was very fun to experience :smile:.

414m2.webp

The crow sitting by a grave, looking straight at me, probably
waiting for some more of my food. :smile:


415m2.webp

Another shot of this cool bird.


623m2.webp

A shot of another hooded crow in the cemetery.



(Gear: Sony A6500, Sony 55-210mm)
 
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  • #3,735
20260525_082534(1).webp


Eastern Shore Maryland
Cell Phone Shot
 
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  • #3,736
One more stop from my trip to Atlanta last month. On the way home I visited the Elberton Granite Museum for the first time. I've passed it many times, but it's open only from 2pm to 5pm which means I'm normally too early or too late.

IMG_8378.webp


Lots of artifacts inside.

IMG_8360.webp


IMG_8365.webp


IMG_8357.webp


IMG_8364.webp


Outside is what they claim is the world's tallest single piece granite spire.

IMG_8370.webp


IMG_8371.webp


An old granite-cutting machine.

IMG_8374.webp
 

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  • IMG_8360.webp
    IMG_8360.webp
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  • #3,737
jtbell said:
One more stop from my trip to Atlanta last month. On the way home I visited the Elberton Granite Museum for the first time. I've passed it many times, but it's open only from 2pm to 5pm which means I'm normally too early or too late.

View attachment 372107

Lots of artifacts inside.

View attachment 372108

View attachment 372102

View attachment 372103

View attachment 372109

Outside is what they claim is the world's tallest single piece granite spire.

View attachment 372104

View attachment 372105

An old granite-cutting machine.

View attachment 372106
Things you can't take for granite.
 
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  • #3,738
In a separate room inside is an important artifact of Elberton's granite history: the first statue carved from Elberton granite, as opposed to cemetery memorials and other monuments. It was intended as a memorial to the town's Confederate soldiers in the Civil War. When it was unveiled in the town square in 1898, the townspeople took an intense dislike to it, feeling that it looked like a Pennsylvania German, and dubbed it "Dutchy." A couple of years later, a mob pulled it down and buried it where it fell. Eventually a more acceptable statue was placed on the monument.

In 1982, Dutchy was exhumed, and he now lays in peace / pieces in the granite museum.

IMG_8349.webp


IMG_8351.webp


IMG_8353.webp


IMG_8354.webp
 
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  • #3,739
Nebraska bird pics, round 5. The final round for this trip.

L1040550.webp

Figure 34. Common grackle (Quiscalus quiscula).

L1040557.webp

Figure 35. Common grackle jumping/dropping from one branch to another (Quiscalus quiscula). This pic captures their normal black look. You can see how easily they can be confused with blackbirds, crows and the like.

L1040602.webp

Figure 36. Common grackle (Quiscalus quiscula). Oh, look. Here's a grackle picture that doesn't look too terribly terrifying. 'Don't see that everyday.

L1050244.webp

Figure 37. Common grackle (Quiscalus quiscula).

L1040624.webp

Figure 38. Common grackle in flight (Quiscalus quiscula).

L1040757.webp

Figure 39. American robin in the birdbath (Turdus migratorius).

L1040888.webp

Figure 40. Blue jay (Cyanocitta cristata).

L1050273.webp

Figure 41. American robin (Turdus migratorius). Nom, nom nom.

L1050153-Edit-2.webp

Figure 42. Northern cardinal (Cardinalis cardinalis).

And that wraps it up for the birds, this Nebraska trip. (I still have a few more non-bird related Nebraska photos though.)
 
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  • #3,740
jtbell said:
One more stop from my trip to Atlanta last month. On the way home I visited the Elberton Granite Museum for the first time. I've passed it many times, but it's open only from 2pm to 5pm which means I'm normally too early or too late.

View attachment 372107

Lots of artifacts inside.

View attachment 372108

View attachment 372102

View attachment 372103

View attachment 372109

Outside is what they claim is the world's tallest single piece granite spire.

View attachment 372104

View attachment 372105

An old granite-cutting machine.

View attachment 372106
That's some heavy stuff! :woot:
 
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  • #3,741
Branicki Palace in Białystok
IMG_20260528_193540.webp

IMG_20260528_193754.webp


Photo from smartphone
 
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  • #3,742
Nebraska pics, part 2 (non-bird/critter related).

Figures 11-16 were taken from a moving vehicle, with the technique discussed in part 1 of this series. After that, photos were taken on foot.

L1003918.webp

Figure 11.

L1003931.webp

Figure 12. Don't worry, everybody's OK. Those cars are used by the local fire department for training and practice drills.

L1003941.webp

Figure 13.

L1004033.webp

Figure 14. Same location as Fig. 13, but a different day. Also some geese or ducks got into the scene on this one.

L1004038.webp

Figure 15. "Nature and Everything in it." I don't really like this photo that much. It lacks a clear subject and direction. I mean sure, it has some elements of a pleasing photo: trees, a field, a stream, some reflections; but what's the point? It doesn't seem to even have a point. Like, why am I even looking at this. For these reasons I am displeased with "Nature and Everything in it."

L1004058.webp

Figure 16. "J. L. Braindeis And Sons building, Omaha, Nebraska."

After this, the car was parked. The rest of the pictures are taken on foot in Omaha's "Old Market."

L1004077.webp

Figure 17.

L1004089.webp

Figure 18. "Sister walking in Old Market."

L1004092.webp

Figure 19.

L1004096.webp

Figure 20.

To be continued. ...
 
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  • #3,743
@collinsmark I quite like your Figure 15. Tho I would crop out some of the left hand side. Then the subject is "what's around the bend in the brook?"
 
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  • #3,744
Nebraska pics, part 3 (non-bird/critter related).

These are all from Omaha's Old Market area.

L1004116.webp

Figure 21. Omaha Passageway in Old Market.

L1004146.webp

Figure 22. Omaha central park (a.k.a. Gene Leahy Mall).

L1004188.webp

Figure 23. "Ah, yes. Memories of my teenage years."

L1004228.webp

Figure 24.

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Figure 25.

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Figure 26.

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Figure 27.

L1004261.webp

Figure 28. "Cousin Eric looking at people looking at an image of a bird."

L1004286.webp

Figure 29. "Restroom composition study."

L1004288.webp

Figure 30.

To be continued. ...
 
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  • #3,745
@collinsmark I like your Figure 24.

I traveled to Omaha on business quite a few times over the years (working with the power company there, OPPD). A nice city with very nice people. Lots of good places to eat. Gorat's Steak House was one favorite.
 

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