shutter problem about the seiko shutter

[Nagatsukii_Tetsuma]

Hello everyone, I am a beginner of large format photography.
I have bought a 4x5 lens. It is the Fujinon SW 90/8 with a seiko shutter.
When i try to operate the lens, i found that i cannot open the shutter for focusing without cocking the shutter.

Is it a normal situation?

If yes, should i cock the shutter first,
then open it for focusing and
finally set the shutter speed and close the shutter?

thank you for answering my question.

[IanG]

If it has a preview lever then you have to cock the shutter first, then close it and change the shutter speed if needed.

Ian

[Nagatsukii_Tetsuma]

thank you very much !
it helps a lot

[Jim Andrada]

I think it depends on the shutter. Some work as you say, others will open/close regardless of whether the shutter is cocked or not. Some older shutters had no preview mode - you had to set the shutter to T (Time exposure) and release the shutter once to get it open. And there are others that do it even differently.

Anyhow, what you're seeing is not unusual or a sign of a problem with the shutter.

By the way, it is helpful to show your location in the profile. Welcome to the forum.

[RHITMrB]

If it has a preview lever then you have to cock the shutter first, then close it and change the shutter speed if needed.

Ian

Flutot (among others) says not to change the shutter speed on Seiko shutters after cocking. Not a problem with Compounds like in your avatar :) http://www.flutotscamerarepair.com/Tips.htm

[Mick Fagan]

I have at least 4 Seiko shutters on Fujinon lenses, all operate the same.

To focus you need to cock the shutter, then you can push the little lever down to open the blades so you can focus.

Once you have finished focusing, close the blades, and then fire the shutter.

I then adjust the aperture, cock the shutter, then fire the shutter again.

Then I am ready to take a picture.

I insert the film back, I cock the shutter, then when I am ready I pull the film dark slide, wait for the camera to stop shaking, then, using a cable release, I fire the shutter.
You will find that by doing everything the same every time, helps to stop you making mistakes. I am as careful as anyone else, but I still make mistakes. By doing the same method of preparing, focusing, adjusting the shutter every time, I have found it certainly reduces the number of times I make mistakes.

By the way, welcome to the forum.

Mick.

[pepeguitarra]

I have at least 4 Seiko shutters on Fujinon lenses, all operate the same.

To focus you need to cock the shutter, then you can push the little lever down to open the blades so you can focus.

Once you have finished focusing, close the blades, and then fire the shutter.

I then adjust the aperture, cock the shutter, then fire the shutter again.

Then I am ready to take a picture.

I insert the film back, I cock the shutter, then when I am ready I pull the film dark slide, wait for the camera to stop shaking, then, using a cable release, I fire the shutter.
You will find that by doing everything the same every time, helps to stop you making mistakes. I am as careful as anyone else, but I still make mistakes. By doing the same method of preparing, focusing, adjusting the shutter every time, I have found it certainly reduces the number of times I make mistakes.

By the way, welcome to the forum.

Mick.

Great advice.

[Helcio J Tagliolatto]

I ended up finding this thread after receiving a Fujinon W 125 / 5.6, letter inside, today.
I couldn't open the blades. Even setting the shutter, there was no space to move the aperture lever along the barrel, to focus, as in the Seiko SLV , nor it could be pushed down. Only then did I notice that this shutter allows the blades to be opened by pulling the small lever upwards, after setting the shutter.

208866

208867

[Ramps]

I ended up finding this thread after receiving a Fujinon W 125 / 5.6, letter inside, today.
I couldn't open the blades. Even setting the shutter, there was no space to move the aperture lever along the barrel, to focus, as in the Seiko SLV , nor it could be pushed down. Only then did I notice that this shutter allows the blades to be opened by pulling the small lever upwards, after setting the shutter.

208866

208867

I know this is a couple of years old but again the info is just as relevent

Thanks Helcio
THe pictures are invaluable

I was about to pull my DW 8/90 apart to see what was jamming it as it didn't seem to move like the seiko shutter on my 5.6/150 and it looked the same but just something blocking the movement
slight modification it now pulls in a different direction ... many thanks

Ramps