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Norman LH2000 flashtube, as lit by three more of the same model tube. This one was inside my photo tent, illuminated from each side, with the backdrop blasted out to nearly pure white by the third tube.
Each one of these tubes can handle up to 2,400 Joules of energy, about 240 times as much as the little flashtube in your point&shoot digital or disposable film camera.
The LED "flash" in your smartphone works on a totally different principle- there is no easy direct comparison to a strobe, except perhaps the brightness in Lumens. This is not a measure of total light energy output, but is still interesting. Newer smartphones might have an LED with about 50 Lumens of brightness, perhaps a bit more.
This flashtube, on the other hand, would be WAY into the millions of Lumens, though for a far shorter duration than the LED, so the total energy (exposure) difference is not as great as implied by the vast difference in instantaneous output.
The very short duration of a strobe is why they're so useful for stopping motion, camera and/or subject.
Samyang / Rokinon 8mm f/3.5 fisheye lens.
The lens hood has been “shaved” to allow a nearly full circle image to be captured.
Walking back from Kroger today, I saw a group of five men expressing their right to open carry laws. (Two were moving their cars at the time of the photo). I ran back to my townhouse to grab one of my cameras figuring I'd see them again, and then ran back to Cary Street. I thanked them for being a visual reminder of our freedom.
Walking behind them a block before my turn down Belmont, it's kind of sad that many people were eyeing them with suspicion.
vaguninfo.com/pages/opencarry.htm
www.vsp.state.va.us/Firearms.shtm
This was my first time shooting fire dancers/spinners at night. Some post processing was required to get the results seen here.
I used my Nikon D600 with a Sigma 70-300mm f/4-5.6 "APO" macro lens with internal focus motor ($100 used on eBay).
I have a bunch of other shots of the firedancers in this set- check 'em out if'n ya like this sort of thang.
Oh, what fun these high quality Tamiya models are to build! Photo was shot with a Sigma 10-20mm ultra wide angle lens.
This is my Clausing model 5912 engine lathe, built in 1968 or so.
I bought it used from a seller in SE New Hampshire in 2003, for only $600.
It shows very little wear, and has a flame-hardened bed.
I brought it back to Northern New York, towed behind by Dad's 1988 Isuzu Trooper II, in a 1970's vintage DIY utility trailer.
12.25-inch swing, 36-inches between centers.
It was originally equipped with a 1HP three-phase motor and a hydraulically-controlled variable-speed spindle drive. I am replacing the original drive and motor with a new three-phase 7.5HP direct-drive motor and a 480V VFD (Variable Frequency Drive).
Guns on display at anti-Islam rally in Phoenix. Protesters brought plenty of firepower to a protest against Islamic terrorism and Islam itself on October 10. Police separated them a smaller group of counter-protesters. Held in front of the Islamic Community Center, the event was part of a broader "Global Rally for Humanity," with similar protests scheduled in other cities that day.
Nikon D600
Holga HPL-N pinhole lens
40mm focal length
f/160 (.25mm aperture)
ISO 100
The Holga vignettes substantially on the D600's full-frame FX sensor, but I rather like the effect.
I've found that in full daylight at high ISO (6400 to 25,600), the D600 can do handheld shots at 1/30 sec., quite a fun thing to play with!
Where did he go? I just saw the glint of his lens a moment ago!
Samyang 500mm F/8 preset lens, handheld.
Heavily cropped from six megapixel image. I'm not much of a birder, and have not yet developed the patience and skill it takes to get close enough to a wee bird, even with a 750mm equivalent lens...
This was my first time shooting fire dancers/spinners at night. Some post processing was required to get the results seen here.
I used my Nikon D600 with a Sigma 70-300mm f/4-5.6 "APO" macro lens with internal focus motor ($100 used on eBay).
I have a bunch of other shots of the firedancers in this set- check 'em out if'n ya like this sort of thang.
Nine year old competition shooter, Shyanne Roberts, from Franklinville, NJ. www.facebook.com/ShyanneRoberts04
Samyang / Rokinon 8mm f/3.5 fisheye lens.
The lens hood has been “shaved” to allow a nearly full circle image to be captured.
Here is what remains of Genghis Khar, my ever-faithful traveling companion (the passage of time casts a warm glow over unpleasant memories).
This classic 1983 Chevette Scooter is about to be put up on the auction block, so as a preliminary I was inspecting its teeth.
Lacking a buyer from the hallowed halls of eBay, the old red sled will meet it's fate in the jaws of a shredder, the remains thence to be shipped to China to be made into nuclear submarines for World War III, presumably with at least a Mongol or two on board each vessel.
Three-exposure HDR-processed image (EV0,EV-2,EV+2).
This wee critter was on a concrete slab by the hot tubs here in northeastern California (Lassen County). This grasshopper was well under an inch long. It was patient enough to let me poke a huge camera lens within an inch or less of his face for long enough to take a bunch of photos.
To make this image, I used my Nikon D50 DSLR with an old 50mm F/1.8 Nikkor prime lens, mounted on a stack of extension tubes to get such close focusing.
This method is a cheap and effective way to get extreme close-ups, but it's difficult to use. There is no autofocus or exposure metering. The lens aperture must be set to a very small F stop to get even the miserably shallow depth of field seen here. And because the camera has no control of the lens diaphragm when the lens is mounted out on my basic-model extension tubes, focusing is difficult (due to a very dark view through the prism with the lens diaphragm stopped down).
Focusing is not done with the lens's focusing ring, you move the camera closer or farther from the subject until the most important part of your subject looks sharp on the ground glass.
Exposure is done by "chimping", which is guessing at the correct setting, then viewing the result on the camera's LCD screen, then correcting for the next shot.
All this inconvenience is not worth the bother for regular macro use, since a real macro lens would allow autofocus, automatic exposure and even vibration reduction for sharper results. But a nice 105mm VR macro lens for my Nikon would cost nearly $1,000, and the basic extension tube set I used costs less than $10 on eBay...
Photographed in Big Valley, California.
I captured these images when the dragonflies landed on the tops of some pieces of steel rebar that stick way up from a partially demolished hot tub.
These were shot in full daylight. I darkened the background by stopping down to F/16 or so at 1/500th, and used an on-camera TTL hotshoe flash to light the subject.
I got as close to the subjects as I could. The lens was a cheap 70-300mm zoom. It's closest focusing distance is quite far, so these images were heavily cropped from a six megapixel RAW, despite being shot at 450mm equivalent focal length.