Yoshizen's Blog

What on Photography

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Although it was a bit cropped, still this was a quite wide-angle view (18mm) of a morning sky, and this was more or less the view what we are actually seeing = in other words, this IS a faithful representation of the view = and that was what we expect to a photo.  —– So, the Photo IS a COPY of the subject, therefore if the subject wasn’t there in the first place, the Photo couldn’t exist neither.  And may be because of that, the Photo competition prohibit the Photoshopped photo.   Photo has to stay as a faithful secondary image of the subject.

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And this is the image of the same sky, taken by the other camera at about the same moment of the photo on top.

So, this is a tricky situation. This photo above may be seen to be an illegal image using a ready-made digital effect, so-called “Filter” such as in a smart phone.

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But this is the natural character of the lens.  From the common sense, this images may not to be regarded a Photo still, this IS the image, straight out of the photographic device / camera.  (Downsized to 1200x*** and collaged by Picasa in my XP laptop)

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They were the images out of Sony A7R with so-called Helicoid (B) lens. —– If the photography was a mean to express oneself, those photos may have my feeling which evokes much deeper into your subconscious.  And they were not by the ready-made effect but only one of the kind in the world. (Whether you like it or not.)   😀

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Oxford Street, it WAS

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I know, I should have done this week ago.  Nevertheless, here the photos.

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Those window decorations were from Selfridges —– but I wasn’t so much impressed.

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(Strange green colorings in the shadow area was created by the Sony image processor. —– It IS a headache with this camera.)

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So, it WAS a so-called Xmas decoration. (Now there are only Sale, Sale signs)  😀 —– Most of the photos were taken by  the Homemade G9 lens.  (except last one which was by Sony 30mm F3.5 and the camera was Sony A7R)

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G10 Lens Test

This is much awaited G10 lens shot !  (Oh, really ?  Who did wait ?)

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It’s funny to see, are they the graffiti or the cover of the construction site ? (Good idea.)

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I’m not sure whether the subjects were hopeless or just the images ? ? ?   😀 

(You must be convinced that to show the image, fine quality of the lens is not important.)

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Snap the Town by Mag lens (2)

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Some more snap shot by a homemade So-called Mag Lens.

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With your annoyance even more to come.  😀 

PS :  By the way, I’m editing this blog on Toshiba Laptop with W-XP and Google Picasa —– though, when I see the same on iPad, the images looks darker and the color seems more saturated (in other words,”Picture looks more exaggerated”)  They were displayed differently on each device by device but my intention was not so dark.   Murky doesn’t necessary looks gloomy.  😀

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Autumn Color

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Those photos were taken by a single glass homemade lens, called Gaudy Lens on Sony A7R Camera —– you may wonder why needed to use High spec’ camera = the matter was not the spec’ but its small size.   😀

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This last photo was by the Mag’ Lens, not by Gaudy Lens —– any way looks the same = doesn’t matter.  As those both lenses got a lots of halation, picture never looks sharp.    Yes that’s what I wanted. = I just wanted atmosphere, or Impression.   In that requirment, those lenses are doing good job.   😀

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New Moon (about)

 

Not exactly.  If it was really a New Moon, we can not see it’s totally black face on front of a blight rising Sun.   Other obstacle is, normally we are not watching such early morning sky.  = So, I discovered this Moon almost in an accident.   It was after 3:30, I just looked out the window and found something blight object in a still dark dawn sky.  It took a while for me to realise that it was in fact a Moon.  It’s funny, we expect that the Moon is somewhat round, or at least half round, therefore like this, iron hook kind of THING can not be a Moon though, as it slowly moving up right, I convinced that this is in deed a Moon.   (The photo above was a picture of my kitchen window, overlooking the Moon. — by a 55mm lens on A7R camera)

It was the same kind of misunderstanding, that the white light IS exist (they were not white but the mix of all tri-color = same as a PC or TV screen, when all BGR lit evenly, we feel it was white) so as the Moon IS a round blight object in the Sky.  In reality, Moon is not blight at all but its surface shine when its was hit by the Sun light. = It’s mean, Moon shines only a side facing the Sun.  And, when the Moon was in the opposite of the Sun, we can see fully lit (hence it looks fully round) surface which we call Full-Moon.  And when the Moon is in the same direction of the Sun, we only see it’s un-lit back = This is the New Moon.  (And the half Moon is somewhere between.  🙂   )  The most frightening reality in the life is, when we see the full moon 12 times, a year has gone !

(Photo above left was a cropped center of a 18mm lens image and the right was a shot by a 500mm lens on A7R camera)

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Wood Pigeon

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It’s the same landscape = just outside of my kitchen.  Only a difference was a Wood Pigeon suddenly appeared on a tree started to tell me that this is his territory.  (This photo was taken by a Zeiss EF 1.8 / 55 mm lens on Sony A7R —– though I wasn’t so impressed by this lens or the camera’s control.  Camera tried to find the focus FOR ME without knowing whether it was a bird or tree branch, let alone which is the subject I was aiming = so, hunting here and there again and again while setting focusing area too wide. = Fixing it to the center is much better and don’t ask me to adjust each time. —– In fact, I should have used much smaller F-aperture though, it’s no point to test the lens stopped down.   😀  )

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Any how, if it was a birds shot, why not use my old friend Tamron 500 mm lens.

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Considering it was a hand-held shot through a dusty double-grazed window grass, it wasn’t too bad. (I wanted to capture the moment when he chirp, with a mouth wide opened though, it was always too late. —– We need to click a shutter a moment before he chirp. Only a trouble was, how do we know it beforehand.   😀  )

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Halina Wide or its lens

Often I’ve been using a term “Junk” or “Toy Camera” quite casually, despite of a bit of guilty   conscious.    Many years ago, once I strongly complained to Nikon, when they produced a (relatively) cheap Nikon EM with its back-light compensation button in blue plastic (it really looks cheap plastic) I said to them (to the boss of Nikon UK) “Don’t make cheap camera looks cheap” “Although, it is cheap, for the young student from a poor back ground, it must be an affordable limit, and their dream and the treasured possession” “Make it looks cheap and make them feel shabby wouldn’t create the future of Nikon any good return”= so, they changed the button to chrome colored. —– Yes for some people, so-called Toy Camera was still only a camera they could afford. 

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On the photo, you may see 4 of the Canon EFS 18~55 — in fact I had 2 more which I’ve completely taken down to the pieces for study or use the motor etc. for the other purpose (such as this front element or that).

People may misconceived that a kind of the work I’ve been doing, it must be done in a well equipped proper workshop. (Quite few people thought I got a Lathe machine, even a Laser Cutter.)  They were wrong, the works were done in my kitchen mostly by a hacksaw.  (if it was a very dusty work, done in a bath tub (without water of course)

halina2-1 Forget a political correctness kind —– the reality IS, the cheap camera which end-up in an odds-ends box as a junk was just made by an ABS plastic mold + plastic parts = nothing like each mechanical unit was assembled on the metal frame like a more expensive counterpart.    So, to disassemble a junk camera meant hacksaw the area I need to gauged out from the lest. 

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Then, gauged out lens unit (in this case 2 plastic lenses) was temporally attached on the camera to see the exact position. (Photo left)   And test mount the lens unit on the camera body cap. (Photo middle)  On the end, this is the finished product. (Photo right)

While toiling with such hard work, what sort of the image could be created ?   In reality, nothing special or rather say, it’s a crap.

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Not necessary the infinity, but this is a far enough distant objects.   Tree twig looks twig = seems OK.

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And without having refocus (no such things here), the subjects, a meter or so looks like what we are seeing.  May be this is the point, we are amazed.  (Really ? !)

Wait a moment, think again.  A lens of 28mm (for full frame) would have rather large depth of field.  Say, fix the distance to 1.7m and set the aperture for F8, the subjects from 0.8m to somewhat 20m (almost “far”) would be (regarded to be) in focus. 

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So, this IS the image made by a lens (Canon EFS 18~55) fix to 28mm, 1.7m and F8.

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And this IS the close distance image made by the same lens without chang anything. (focus was still 1.7m)

It must be clear, so-called omunifocus is not necessary an amazing phenomenon. Here is a very simple common sence in photography = Stopped down wide-angle lens can shoot anything.  (But the trouble IS, it would make the photo looks messy — to express, the less is more)   🙂

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Cutting business

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Yes, it IS (was) a cutting business (with hack-saw and the files etc) in deed.   (It was a reason why I’ve been away a while — normally Zen Buddhist doesn’t make any excuse (= since, if it’s happened, it has to be happened) though, these days, others may mistake I’m dead !  😀  

As a work on front of me, which was to make a tilting bellows for Sony A7 camera.  In the past, I’ve made quite few lens tilting devices and the cameras which can push the character of the wide-angle lens to the limit, exaggerating the effect of perspective in the pan-focus image enviroment.   To make it with the convenience of the DSLR, I pland it using a Canon 5D Mk-2, hence I’ve bought one more body though, while encountering to Sony A7 which got 18mm thin flange-back (distance from the lens mount to image sensor) on full frame format, I changed my plan at once.

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18mm flange-back against the most of full frame SLR’s lens of which got about 45mm back-focus, the margine of 15mm or so was ample enough to maneuver the lens even with 30° tilt !   (+Added advantage of the A7 camera is, its electronic view finder can keep showing the bright image even under the heavy tilt and the aperture stopped-doun condition.)

From this point, the rest of work would be a stitch work to make a leather bag bellows. (and the hundreds of the test shots to establish the technical data.)  🙂

I’ll show the finished product and the worthwhile image when they were ready.)

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Pen-F Zuiko 38mm F1,8 Lens on Sony A7R

pen-f-38mm1-a09a6822I don’t remember why this lens was still here.  This Olympus Lens

has been in the end of shelf many years.  It was a Olympus Pen-F’s

standard lens though, Pen-F was a half frame camera (24×16) and its

flange-back was 28.95mm, the lens couldn’t have a focus other than

a macro use, I might have had a test of close-up photo on Canon 5D.  

— The funny history of this lens was, on late 80s, one of my friend

photographer who wanted to experiment, “To get a rough-grain soft

image, using a Push development on a Cross-process” = In order to get

rough Grain, he wanted to use even smaller original = hence Half-size. 

—– So, he asked me to make an adapter to use Nikon Lens on a

Pen-F body.  =  I made it out of Nikon close-up ring and a Pen-F

mount from this 38mm lens = So that, this lens lost bottom mount.

= in normal sense, it is an utterly useless junk

—– though, while Googling the Net, I found the people using Pen-F

lens on the Full-frame Sony camera !    (Unlike the lenses for the

Cropped size senser DSLR camera, those Olympus Lenses has

been made to cover (well almost) the full-frame image circle !) 

pen-f-38mm2-001To modify this lens for a Sony E-mount camera, I found a M-39

Leica lens to E-mount adapter has the almost a right size. 

So, I screwed  M-39 ring to the back of Pen-F lens (+ some

adjustment for infinity focus) = = = Voila, Pen-F lens on A7R.

pen-f-38mm3-a09a6830The test shot on general

distance was usable but

not bliliant.

(The lens might have 

sold as a spre parts =

damaged goods)

Still, Close-up photo

was pretty good.

(Photo below, middle)

Though, there isn’t much soft texture (It may be because

the Sony A7R camera or its image process.) (Photo right)

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Olympus Pen-F Lens is very small, (In comparison to such as

Nikon lens + adapter on Sony) pretty nice match to the A7R,

so that, I’m quite happy to have this  F1.8  wide-angle lens.

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