Polaroid SX-70 Alpha only ejects after 2 Minutes

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R3adyPlayer0ne
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Polaroid SX-70 Alpha only ejects after 2 Minutes

Postby R3adyPlayer0ne » Sun 15 August 2021 / 17:46 pm

Hello.

I am brand new here and come to you because I got myself the SX-70. It was untested (but also cheap). It folds open easily and still looks very good (except for the leather). But:

When I insert a film (brand new from Polaroid) the Black Slide does not extend. Also, I can't see anything through the viewfinder when I put film in (I've tried all orientations, without film it works).

Can anyone help me? Feel free to let me know if you need more info.

Thank you guys and girls

Addition: When I left the camera unattended, the black sheet came out. Then I tried to take a photo. I could see through the shutter release, released, the aperture opened, but did not close again. I think it keeps exposing all the time.

After about 2 minutes, the image now came out. I think it's getting weird now.

A Video of it can be found here: youtu.be/hgBfYx0LU5s
Photos can be found here:
front: imgur.com/LkL1z9k
contacts: imgur.com/xJtXbVa
mirror: imgur.com/P1qbMcz

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scaf
Polaroid 600SE
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Postby scaf » Mon 16 August 2021 / 20:34 pm

Hi,

The SX-70 uses 150 ISO films. They're not sensitive enough to be used indoor without flash. The camera will wait up to 10s (maybe more) shutter opened.
You should try to take a picture outside.

I watched your video and saw you pressed quickly on the button.
Older SX-70 cams need the user to keep the shutter button pressed until the picture is out. Mine works that way.

Try taking a picture outside, keeping the shutter pressed.

xya
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Postby xya » Mon 16 August 2021 / 20:51 pm

I'm not sure about keeping the shutter button pressed. you may have to hold it until the shutter itself closes again, and indeed, this may be a bit more than 10s in dark places. but on all of my cameras, sonar or not, the camera doesn't eject until I release the shutter button. this might be helpful to prevent ejecting in bright sunlight, which is not good for current polaroid film. I use this on a regular basis and it works well.

I don't know if my cameras are special (they are all babas models), perhaps more members could bring in their 2 cents on the subject...
xya
matos : mamiya universal avec tout (même dos instax); 360 100 propack; mp4 optiques div en 100 + 4x5; sx670 one600pro; 8x10 processor; multishot 84; bigshot; spd360; cu-5 3" et 5", en 100 et 4x5; daylab + copy pro; instax 500af 210 100 50 sq10 liplay; lomo instax wide; mint RF70; superwidestax option; dos instax wide 4x5; lomowidestax; dos coyote sq rb67; pinstax wide; diana diana square holga lc-a lc wide instax escura 60s. beh oui, c'est moins qu'avant.
sites : http://www.120folder.com http://www.a7camera.com http://www.instantphoto.eu http://www.135compact.com http://www.plastikcam.com/

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scaf
Polaroid 600SE
Posts: 3088
Joined: Sun 04 November 2012 / 22:50 pm
Location: Auvergne allant du Puy de Dôme jusqu'aux Alpes
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Postby scaf » Mon 16 August 2021 / 22:58 pm

xya wrote:I'm not sure about keeping the shutter button pressed.


I need to do it with my SX-70, first version.
I need'nt that with my SX-70 model 2 sonar.

R3adyPlayer0ne has an Alpha (you can see it on the video). This version comes between the first version and the model 2. I don't know what is its behaviour.

Nonetheless, in the video we can hear the following in that order : shutter clicks, (long wait), the mirror moves then go back, shutter clicks while the photo is ejected.
Should'nt we hear noises in that order : mirror, shutter, shutter, mirror, eject ?


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