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camera toss plus processing = fun
my initial foray into programmatic sources for camera toss, see this photo for a better description.
The wild garlic is not yet in bloom, but sometimes an acceptable picture results even from a location check
The effort (previous picture) paid off for this Red Tailed Hawk with a vole as a prize. As the juvenile Red Tailed Hawk took off with the vole it briefly landed on this fire hydrant marker across from where I was standing. Moments later he flew off to a tall tree nearby to finish off his dinner. Downsview Park, Toronto.
It's a handheld shot at 1/6 sec of two vehicles passing on a highway, for this week's Crazy Tuesday theme: "Something in Motion." What I can't figure out is why the vehicles themselves show motion blur, but the chrome on the wheels shows up as patterns instead of blur. I took several shots of different vehicles and they all came out the same way.
The only thing I can postulate is that maybe the autofocus function on the camera tried repeatedly to focus on the wheels as they turned(?). In any case, I sort of like the look; it gives the image a kind of sci fi or futuristic vibe for me.
HCT
So, I had kind of forgotten about this contest until Robot reminded me, so here are the results!
In first we have Wavy Films with his SINnoman Bun from Adventure Time. I really love this figure. It's very original and creative, and the paintwork is really clean.
In second, we have Comic Customs with his Owlman from that animated Juicy League movie. The paintwork is very clean, and I've never seen this figure made before.
In third, we have Ancient Robot Customs with his Toon Lonk. The whole figure is very accurate to Lonk, and the sculpting and paintwork are great.
So, y'all can just DM me on insta to tell me what you want.
I was honestly disappointed in quite a few of the entries that didn't at all fit under the rules of the contest. Y'all gotta read the rules that I put in place.
This time the Caspian Tern managed to catch a Catfish after diving into the pond. This is one of the series of shots that I took of it diving and taking off of water with the fish in its mouth. Good to see them back in our shores. It was a cloudy afternoon; however, a nice break from three days of continuous rain. Burlington, Ontario.
Doppelbelichtung mit einer selbst fotografierten Textur - bearbeitet mit overlay / 2 Bilder + digital Overlay
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Double exposure with a self-photographed texture - edited with overlay / 2 images + digital overlay
== in Explore 12.9.2020 ( picture 79 ) ==
Thank you so much
After watching the storm clouds build for hours, it ended in this rain storm which also brought lightning and thunder.
The Giant's Causeway is an area of about 40,000 interlocking basalt columns, the result of an ancient volcanic fissure eruption. It is located in County Antrim on the north coast of Northern Ireland, about three miles (4.8 km) northeast of the town of Bushmills.
Around 50 to 60 million years ago, during the Paleocene Epoch, Antrim was subject to intense volcanic activity, when highly fluid molten basalt intruded through chalk beds to form an extensive lava plateau. As the lava cooled, contraction occurred.
Horizontal contraction fractured in a similar way to drying mud, with the cracks propagating down as the mass cooled, leaving pillarlike structures, which are also fractured horizontally into "biscuits". In many cases the horizontal fracture has resulted in a bottom face that is convex while the upper face of the lower segment is concave, producing what are called "ball and socket" joints. The size of the columns is primarily determined by the speed at which lava from a volcanic eruption cools.
The extensive fracture network produced the distinctive columns seen today. The basalts were originally part of a great volcanic plateau called the Thulean Plateau which formed during the Paleocene.
According to legend, the columns are the remains of a causeway built by a giant. The story goes that the Irish giant Fionn mac Cumhaill (Finn MacCool), from the Fenian Cycle of Gaelic mythology, was challenged to a fight by the Scottish giant Benandonner. Fionn accepted the challenge and built the causeway across the North Channel so that the two giants could meet. In one version of the story, Fionn defeats Benandonner. In another, Fionn hides from Benandonner when he realises that his foe is much bigger than he is. Fionn's wife, Oonagh, disguises Fionn as a baby and tucks him in a cradle. When Benandonner sees the size of the 'baby', he reckons that its father, Fionn, must be a giant among giants. He flees back to Scotland in fright, destroying the causeway behind him so that Fionn would be unable to chase him down.
Across the sea, there are identical basalt columns (a part of the same ancient lava flow) at Fingal's Cave on the Scottish isle of Staffa, and it is possible that the story was influenced by this.
In overall Irish mythology, Fionn mac Cumhaill is not a giant but a hero with supernatural abilities, contrary to what this particular legend may suggest. In Fairy and Folk Tales of the Irish Peasantry (1888) it is noted that, over time, "the pagan gods of Ireland [...] grew smaller and smaller in the popular imagination, until they turned into the fairies; the pagan heroes grew bigger and bigger, until they turned into the giants". There are no surviving pre-Christian stories about the Giant's Causeway, but it may have originally been associated with the Fomorians (Fomhóraigh); the Irish name Clochán na bhFomhóraigh or Clochán na bhFomhórach means "stepping stones of the Fomhóraigh". The Fomhóraigh are a race of supernatural beings in Irish mythology who were sometimes described as giants and who may have originally been part of a pre-Christian pantheon
Net Results group of fishing nets stuck in a barrel just made an interesting arrangement, some vivid colors from the netting, found in North Carolina.
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A pleasant day spent in the company of Dave McDigital was rounded off with this final shot of 1Z30 skirting Tanyard Bay below the cliffs of Bransty.
A little wordy here, sorry:
First: The Scherer article and my experiments of 2023 are WRONG. There is no fixed shim or extension that will match a Contax lens to a Nikon or vice versa. It was an interesting idea but it didn’t pan out.
Second: in my tests, the Contax and Nikon are exactly matched at infinity. The error only occurs as you focus closer.
The Nikon lens rotates farther than the Zeiss lens to reach a given focus distance. To go from infinity to its minimum focus of 5 feet, the Sonnar focus ring rotates 154.4 degrees; to get to the same point the Nikkor rotates 169.4 degrees, a difference of 15 degrees. This is not enough to be obvious just looking at the lenses, but it’s beyond the depth of field limit at f/32 with the 135mm telephoto - a very significant error.
On the other hand, since the lenses match at infinity, the error is very small at longer distances. Beyond 10-12 feet, the difference is within the wide open depth of field at f/3.5, and from 15 feet it’s less than I’m able to measure repeatably. The situation deteriorates rapidly as you go closer: at 8 feet you’ll need to be at f/8; f/16 at 7 feet, f/22 at 6 feet, and the smallest aperture of f/32 won’t be enough at five feet. The quick, easy, and frankly the only answer is to consider the 135 as having a minimum focus limit of 10-12 feet.
The actual distance error is very small, only about 4 inches at the five foot limit - but the depth of field is so small at that distance that it can’t cover anywhere near that amount.
Enough of the 135. What about wide angles?
The news here is actually very good. The 35mm wide angle will have the same 15 degree error at five feet on the focusing scale - but on the 35, the depth of field is enough to cover 21 degrees, even wide open at f/2.8. I wasn’t able to measure closer than five feet since that’s the minimum limit of the lenses I have to test, but this is a very promising situation. Shooting between 3 and 5 feet, stopping down to f/4, certainly f/5.6 ought to be plenty to keep you within the depth of field.
So, okay for wide and tele. What about the normal lens?
As close as I’m able to measure, the extension of the camera body focus helical is exactly the same between the Contax and the Nikon bodies - 3.55mm to three feet. The difference is just that the Nikon mount turns farther than the Contax to get there. This suggests that there is no difference between the actual 50mm normal lenses from Zeiss and Nikon. Since the focus mount for the normal lens is part of the body and not the lens, it’s correctly matched to the rangefinder regardless of which lens you have plugged into it. So for the 50, there should be no problem at all using a Sonnar on your Nikon or a Nikkor on your Contax.
All this tends to confirm the old conventional wisdom that the problem only affects tele lenses, something I was skeptical of until I went through this exercise. It does NOT confirm the idea that the Nikon normal lens was a different focal length from the Sonnar, leading to all this kerfuffle … the difference appears to be entirely due to a very slightly different thread pitch in the focus helical in the camera body. As for WHY Nikon would have done that, I have no idea. Maybe it was just a mistake that wasn’t discovered before they already had committed to their version of the mount.
So there it is. Have I verified all this on film? No, this is all based on measurements, and on the assumption that the engraved distance markings on the Zeiss and Nikon lens barrels are accurate. Frankly I doubt that my photography is precise enough to prove much at the very small distance differences involved here… I have more faith in the measurements than I would have in my negatives. But I will be doing some shooting, to see if the results correlate to these measurements.
Thinking of ordering PhenQ – wait till you have read this!
Trying to lose weight huh? Tell me about it. I have struggled with it for a really long time. After the birth of Evan, my second child – my body weight was all over the place.
more info phenq-results.com/
This image from near Wapanocca NWR in eastern Arkansas shows the flock of snow geese after they came up out of the field. I regret my lens could only get a small portion of them. Hundreds can be seen here but thousands were flying. The noise of all the honking was very audibly impressive; a real attention getter.
Lightning strikes Glenwick Ln, Irving TX at Oakdale Rd when early dusk storms inveloped neighborhood.