Introducing... THE DENIZ SHUTTER

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Deniz

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I'll keep the story short.. I needed a shutter for my new 210mm lens and didnt have the $500 to spend for a SKgrimes mounting job so i made my own studio shutter. the accuracy depends on my reflexes.. but so far i am pleased with it ths is the first prototypelater versions maybe a little sleeker looking.

it accepts upto 77mm filter on the front. It doesnt vignette with the 210mm lens, and acts as a lens shade in bright sun!!

I may custom build one for anyone that needs one.
Its made out of maple and basswood so its not heavy but plenty strong

in the photos its mounted on a sinar/horseman board on my 8x10 tachihara
 
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Deniz

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the darkslide is made of 1mm thick black anodized aluminum.. its it smooth and slides between 2 black dense foam pieces that act as the light trap. darkslide doesnt reall touch anything else..there is enough friction to take your hand off of it when its open but its smooth enough that you can puch it down with no camera shake..
 

Tom Hoskinson

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Interesting Deniz, but I'll stick with my lens sock shutters.
 
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Real photographers use bowler hats.... :smile:
 
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Deniz

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here is a little ipdate on the project..

I did a slight modification to the shutter, removed one of the 2 foam pieces and glued it on the aluminum darkslide.. this way darkslide is not self supporting when open but closes down automatically when i let go of it(i can clip on a clothespin on it wen open for selfsupportiveness)
.. so there is no camera shake whatsoever!!!

I am going to Tofino,BC(look it up a must go place for every human being) in the next couple of days and aking my 8x10 along.. i sure will put this lens to a good test there...

cheers
 

John McCallum

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Robert Kennedy said:
Real photographers use bowler hats.... :smile:
LOL :smile:

Looks very effective Deniz.
Pls pardon my ignorance but: why is it the ULFer's have this need for home-made shutters? Is it purely the cost aspect?
And how do you get around exposure accuracy issues?

Just curious because I'm planning on growing into a real grown up camera one day. :wink:
 
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Tom Hoskinson

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John,
We use dark slides, Bowler Hats, Caps, Lens Socks (my personal favorite), DENIZ Shutters and Packard shutters because we have barrel mounted lenses which have no built-in shutter - just an iris. Sometimes they don't even have an iris. Mounting such a lens in a shutter - especially if it is a large lens - becomes very expensive.

At small apertures (f32 and smaller) the exposure times are long. Exposure timing errors (of a second or so) become insignificant with exposure times in the 10's of seconds.
 

Tom Hoskinson

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455 mm f9 Apo-Nikkor Process Lens, Barrel Mount

The lens diameter is about 5 inches. The Wehman lens board is 5.25 x 5.25 inches. The lens sock is double thick Polarfleece.
 

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Tom Hoskinson

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Lens Sock/Shutter in place on 455mm Apo-Nikkor

Pictures taken with this combination are very sharp - no camera movement.
 

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Deniz

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Tom, i really like that lens sock idea.. but i would think it would only work with big lenses since there isn't much surface on the small ones to put the sock onto.. hey with a lens that big, DENIZ shutter doesn't work..
so there.. we should combine our ideas and make shutterland co.
 
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Nice solutions to the problem all the way around.
 

Tom Hoskinson

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Deniz said:
Tom, i really like that lens sock idea.. but i would think it would only work with big lenses since there isn't much surface on the small ones to put the sock onto.. hey with a lens that big, DENIZ shutter doesn't work..
so there.. we should combine our ideas and make shutterland co.

Excellent point, Deniz. Works for me!
 

bobfowler

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I have a couple of articles on my website about mounting Packard shutters. This article shows how I made a box lensboard so I didn't have to cut a hole in my Eastman #2 to use a 14" R.D. Artar with a Packard.

This article explains how I front-mount Packards. I use the front mount method for several different process lenses on my Toyo 4X5 monorail cameras.
 

scootermm

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Tom
I love those sock "inventions"
I for one would be willing to pay a few well earned dollars for a couple of those.

Very sharp idea and ingenius.
 

Deckled Edge

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Tom Hoskinson said:
John,
We use dark slides, Bowler Hats, Caps, Lens Socks (my personal favorite), DENIZ Shutters and Packard shutters....

My personal favorite is shortened frozen orange juice can, painted flat black.

Don't forget that you can use the "lens-cap-shutter" for in-camera dodging. If the sky is a little bright, remove the cap a little more slowly from the top and replace it from the top. Reflection off the water? Remove from the bottom and replace from the bottom. What SKGrimes shutter lets you do that?
 
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Deniz

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Deckled Edge said:
My personal favorite is shortened frozen orange juice can, painted flat black.

Don't forget that you can use the "lens-cap-shutter" for in-camera dodging. If the sky is a little bright, remove the cap a little more slowly from the top and replace it from the top. Reflection off the water? Remove from the bottom and replace from the bottom. What SKGrimes shutter lets you do that?

Actually, you can do "in-camera dodging" a million times more accurate and better with the Deniz Shutter.. it basically acts as a neutral density filter.. i am going to the mountains in an hour i will test the shutter to its limits..
 

Photographica

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Here's a suggestion for an easy improvement on the "Deniz" shutter.
Cut a slit in your slide that can basically scan across the face of your lens. Then trim the slide so that it will free fall. You will probably have to come up with a simple catch while it is in the up position.

With the slide in the up position, the bottom part should cover the lens, drop the slide so it swipes across the lens exposing the film, and when it comes to rest the top part of the slide is covering your lens again.

To further improve it, put a rubber band on the slide to pull it down. You'll get fast shutter speeds. Play around with various slit sizes too. I know for certain you could get speeds close to 1/1000 sec using this technique.

There are a couple of examples of this type shutter here:
http://www.cwriley.com/Photica/drop_shutters.htm

Cheers,
Bill
 

Photographica

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jdef said:
Bill, great link. I'm working on a shutter for my 14 1/2" Wollensak Verito that is very similar to the "butterfly" shutter. I'm incorporating mine into a lens shade. Love these DIY projects!

Thanks,
I got side tracked from my camera collection when I became interested in "Alternative Shutter Styles." I'm intrigued by the ingenious ways designers came up with solving various functional problems. I like following the ingenuity of projects like the Deniz shutter. Perhaps, I'll add one to my collection some day.

Can't wait to hear the reports of how it worked out.
 
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