Sami Serola

Sami Serola

Posted on 04/22/2015


Photo taken on April 22, 2015


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Photo replaced on April 22, 2015
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Pinhole camera...

Pinhole camera...
...made out of an old DSLR gear.

First things first, and thanks to Gisela Plewe for help and advertising Pinholeday.org, which takes place on next Sunday (April 26,2015).

I finally got my pinhole camera ready, made out of an old Olympus E450 that I have not used much ever since I started to use pocket cameras for daily shooting.

I first had big plans to make so called double slit pinhole camera. For that I tried to print two transparent slides with narrow "white" (transparent) lines on black background. However, it turned out the printers I had access to, did not print out slides black enough. Therefore I decided to go with an easy solution for the next Sunday, and use the traditional pinhole on a metal foil. For that I bought a yogurt can, which already had the other side colored black.

Next thing to do was drill a 2 mm hole onto a cap used to cover the (D)SLR camera lens mount opening, which is used when lenses are not attached to the camera body. Then with black duct tape, I attached the piece of metal foil onto back side of the cap. Finally I used an ordinary pin to "drill" a tiny hole onto the foil.

This is of course far from making an accurately calculated pinhole. Moreover, the problem with an "old" Four Third system DSLR is rather long minimum focal length, which is 40 mm if the foil is attached directly in front of the camera body. And because Four Third sensor is half from the full size 35 mm, it means the focal length corresponds 80 mm short telescopic lens.

Small sensor size also means poor quality and more blurriness compared to bigger sensors and large format cameras. Nevertheless, I find the outcome good enough. So, I'm ready for the challenge.

Dominique-Lucy Renson, Ulrich John, John Linton, .t.a.o.n. and 3 other people have particularly liked this photo


12 comments - The latest ones
Sami Serola
Sami Serola
And in case someone wonders what the extension tubes on the pictures are for, it is there to show a possibility to use even longer focal lengths (telescopic). This is however, not a good idea in practice, because it then means even more blurry pictures.
2 years ago.
Christine Boes-Schiller
Christine Boes-Schil…
hallo Sami , your presentation is very interesting ***
2 years ago.
Sami Serola has replied to Christine Boes-Schil…
Hello Christine =)

I hope you find the presentation also useful and inspiring ;-) There's still few days time to build a pinhole camera... Or build your own camera sometimes later. It is fun!
2 years ago.
Annemarie
Annemarie
you always make experiments....................bravo
2 years ago.
Sami Serola has replied to Annemarie
Thank you Annamaria =)
2 years ago.
.t.a.o.n.
.t.a.o.n.
sami did it... ;-)
2 years ago.
Sami Serola has replied to .t.a.o.n.
Yes I did =D It is kind of fun to take even 1 minute exposures, and do something else while waiting the picture to appear on the display. As Gisela, I will soon also take some shots outside, with shorter exposures, and test also if shooting RAW would bring some extra quality on tonal range.
2 years ago.
Gisela Plewe has replied to Sami Serola
Meine Versuche, RAW auszuarbeiten, nahmen den Bildern den originalen Flair. Deshalb kehrte ich zu JPG zurück und verzichtete im Wesentlichen auf eine Bearbeitung. Bin auf Deine Ergebnisse gespannt.
2 years ago.
Sami Serola has replied to Gisela Plewe
Gisela, have a close look at the example shot: www.ipernity.com/doc/serola/37841242

Since I used ISO 800 indoors, there are plenty of noise in dark areas, which comes very visible when editing the image. That is what I hope to get rid of when shooting RAW. The LightZone software I use for editing seem to support Olympus RAW format, and therefore I think it could be a good idea to use in this case.

Normally I use just JPEG on my Panansonic Lumix.
2 years ago.
Gisela Plewe
Gisela Plewe
Sami, thank you!
I am delighted that you manage to interest artistic working people for one Kind of more artistic form of photography. You have a spectaculair talent to do that. Keep it up!

I will soon make more own pins according to your principle that complement my equipment, and I look forward to more results.

For me, the exposure times you've needed are interesting. With my equipment, I came to shorter times at 100-200 ASA. For some pics I did not need a tripod.
2 years ago.
Sami Serola has replied to Gisela Plewe
The aperture I use is approximately 0.3 mm thus corresponding something like f-stop 200. Moreover, I took the shot inside, partly cloudy morning, something like 3 meters away from the window. Therefore I had to use so long exposure time. More examples taken outside coming later... =)
2 years ago.
Wierd Folkersma
Wierd Folkersma
Looks interesting, when again more time could be nice to try
2 years ago.