Yoshizen's Blog

110 Pentax Lens on A7R

OMG, —– I found a EOS 620 body and a tiny Pentax 110 (both of them were broken junk state) for hefty £5 in the odds & ends box of the City Camera Exchange, Strand Shop.  (They got the best junk in London as well as the latest expensive cameras, and if you feel hungly, you can have the best lunch or dinner in the Simpsons, only few steps round a corner.)   😀

EOS body may be used as a display dummy for my (Canon mount) homemade lens, and the tiny 110 Pentax lens, should make a good fun to test it. 

To test this Pentax lens on Sony A7R body was very easy = just mount the tiny lens on an A7R body cap — Infinity focus was happened to be almost straight.  (but there is no Iris as the camera was designed to give an Auto-exposure by Aperture and the Shutter speed combined system.  = So, the lens works as a 24mm F2.8 only lens, and the focus works very well. (If your finger is small enough to pinch its small lens front)   😀

As the lens is rather bright F2.8 = focused depth is quite shallow yet still, the image where focused was very sharp and crisp.   Though, since the lens was designed for 110 Instamatic size, image circle doesn’t cover the 35mm full screen of course.   (and I wouldn’t attempt to make it Retro-focus with a concave lens to spread the image.)

Don’t to be fooled, even if the camera, lens were such small, like a children’s toy,  Pentax seemed to designed its lens with their full force. = image was such crisp = I would say, too prosaic !  The lens showed no chromatic aberration, in fact it got no aberration at all.  (May be in reverse use, lens may work as a pretty good macro lens. —– I’ll test it on future.)

Still, such small lens on the small mirrorless camera is very comfortable and CUTE ! = I wouldn’t complain the dark surroundings.  Its a own character and a part of fun.

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Moon by Non-telephoto lens

I took a picture of the Moon too many times = It’s the same moon for the millions of nights = So,  I’m rather weary to take out my 500mm lens = I just clicked a camera with the lens happen to be on.

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The camera happen to be the Sony A7R with a modified Kodak Vest Pocket Camera lens on.  With this structure of the lens, we can not hope a good focus.  Still, whatsoever the picture was made as this.  (Since the Vest pocket camera had no focusing mechanism, I wonder how the picture of the moon looked like on the original camera ? —– I haven’t tested it yet.  Sorry.)

IKONTA

As the lens on A7R is easy to change, I put (yet again a modified) Zeiss Baby Ikonta camera’s 50mm lens. (This lens has front-focushing = And, it was set to infinity though, the image was not sharp at all. = You may say Don’t ask too much to 90 years old antic. —– generally this lens works well = but may not for a real infinity subject.)

(In both shots, the F-aperture was fully open,  VP = F6.6 / Ikonta was F4.5 and  1/250 or so shutter speed —– because I was not intended to make any sharp image = otherwise why do I used junk lens ? )

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Morning Sky on Oct’ 2018

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( 13-10-2018   / 06:04 —– by Zeiss Distagon 18mm F3.5 for Nikon on Nikon D850)

It seems this was the only second morning red sky in this autumn.  Whether it was the matter of the angle of the Sun or the clarity of the Air, we don’t have red sky in summer.

Wide Fun

(The same sky by Omnifocus Fun lens on Sony A7R —– / 06:05)

 

( 05:58 —– by the Kodak Vest Pocket camera lens on Sony A7R)

(05:55 —– / Zeiss Baby Ikonta lens on Sony A7R )

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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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