Yoshizen's Blog

The Moon of 15th August

As I said, in the old Moon calender 15th August is always full moon. So, to have a full moon tonight was just a coincidence and I found her behind a tree at rather late 22:00.

—– I took the pictures of the full moon many times, using Tamron SP 500 mm lens. But I didn’t want to do the same on this time, so took a picture of her with a kind of ordinary lens = Leiz Elmarit P 50 mm F 2.8 projection lens (costed me £1) modified to use on the Nikon Z camera, because, it was not a very sexy image with fuzzy lens. —– And after I open a photo on a PC screen, I noticed that there was a reflection of my room on the window glass = Oh, no, I should have put light off. How careless I was. The moon of 15th August has gone and we never have another chance for re-take. (Next full moon is not the 15th August one) We have only one life.

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Lucky in life = Fate

Somebody asked me, like the time when I modified Leiz Elmarit P lens or ZM lens kind, while using 58mm helicoid ring, how I could manage to find the necessary rings etc in such efficient way ?    My answer was, There was no such good luck to find the component.   It was just work hard to try fix.   Not a good luck or magic finger, just came to a good result thanks to all those effort.  (No wonder)

Yet still, the start was a chance discovery of the 58mm reverse adapter for Nikon-Z mount.   If I need to attach something to a camera, there are two choices,  one is find a cheap adapter ring such as M42 to EOS, M42 to Nikon Ai kind, otherwise use a body cap.   To make something for Nikon-Z, their body cap was hefty £6.   Then I found a 58mm adapter for Nikon-Z about £3 or so.  —– If you may say I was lucky, yes, it was lucky.   Still, I’m puzzled why this adapter was made in the first place, especially for what in mind ?    I’m not sure whether many redundant lens which got 58mm filter size, waiting to be experimented on the newly arrived Nikon-Z camera ? ? ?

What ever, the first piece of jig-saw was placed.   For this 58mm ring, I got an idea to use a 58mm mount helicoid ring.   Then, to mount a lens, I need to find something to join from lens to 58mm helicoid.    Here, there is no inspiration kind but just try next by next among the mountain of rings I got.  (Even the same 52 to 55mm step-up ring, inside diameter of 52 mm screw is not the same = need to test)  To mount the Elmarit lens, it got to be a 49mm filter ring = 49 to 52, 52 to 55, 55 to 58 then to the helicoid.   (Instead to use cheaper 42mm, why 58mm helicoid was, since the Nikon-Z image sensor was too close to the mount, 42mm ring will cut the image corner.)  Those step-up rings adding 3mm each for the distance between lens to the body,  I still needed to put the lens further away from the camera, I used an old Nikon extension ring K-5.    

But, when I did the same to ZM lens, I needed to have less distance to mount the lens. = instead to use 58 to 55, 55 to 52, 52 to 49, 49 to 46mm, I ordered 58 to 46mm ring and waited a mail from China long time.    So, the work rely on the simple but rudimental try. — and waiting game.   No ingenious solution, neither Devine help. (You see, I’m a very good worker = good work and its mind pulls good Karma.)   😀 

The original meaning of the Karma is the rational, natural consequence (such as, the heat makes the water boil) not a paranoid delusion (typically so-called  consequence of previous life (= Hindu idea) — there is no previous life, since no perpetual soul could exist)  = its mean, straight positive effort causes positive consequence (and evil act / idea repercussions) = those rational makes your Fate !   Fate is not a kind of supernatural phenomena.   Heaven is too busy to twist every individual’s life.  Everything occurs just as a simple own cause and a consequence.   Too much thinking tend to make you a hero of victimization though a matter of fact, the world is not bothering you as such you are imagining.  They got their own business.

So, anybody can make a lens.  = You can try.    (But first, you have to find a lens to play with !) 

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Leiz Elmarit P Lens on Nikon Z7

While checking a corner of the shelf, I found a Leiz Elmarit projection lens I got from odds and ends box of a camera shop years ago —– in fact it was the same time when I found the Zeiss Taron lens in the same box for £1 each.  To make Taron lens for ordinary camera use I did quite a lot of work —– and to make a helicoid for this Leiz lens, even more work was anticipated.   Then, when I got a 58mm reverse adapter ring for  Nikon Z, I got other idea to modify this Leiz lens easily.

Since its rivers adapter got 58mm screw, I found it could be used to mount a helicoid extension ring  M58 to M58 mount, 24mm ~ 55mm extension, together with some joint rings to connect to Leiz lens.

Nik Z-58mm, Helicoid ring, 58mm-52mm, K4 and K5 from old Nikon K-ring (having 52mm screw), 52mm-49mm, then put the Elmarit P lens on it. = no cutting or glue work, just put together.  So, here is the Leiz Elmarit P 50mm F2.8 for shooting on Nikon Z7 use.  (Note, helicoid ring was mounted riverse direction and the infinity focus was made while helicoid was slightly rotated position.)

Projection lens may be designed for close range use = may not have the best result on far subject.  And the test picture showed rather funny off-focus bokeh on the fore-ground.

elmarit(4)p-001

Still not too bad result for closest distance (23cm) and its out of focus bokeh was very smooth and soft here —– any way, Leiz Elmarit lens 50 mm F2.8  costed £1 + some odd rings. 

elmarit-p-50mm f2.8-dsc_0204 I like a subtlety created by the clean image as well.  Leiz is good in cool image. Unlike Sony, Nikon Z doesn’t exaggerates the tone.

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