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Improving the SP-445 film holder.

Tim Gilbert

Improving the SP-445 film holder.

A brief history: Let me try and make a really long story, somewhat shorter. The first prototypes were completely flat, had a solid groove on each edge to hold the film and did not have the finger at the bottom edge. They were also 3D printed and felt flimsy. The first change was to add the ridges: these reduced surface tension when removing the film and increased the flow behind the film. They also added stiffness. We then chopped up the solid grooves into "fingers". This improved flow but also made the mold much easier to manufacture. Last, we added...

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Time for another kickstarter!

Tim Gilbert

Here's the preview link: https://www.kickstarter.com/projects/1653453089/1289320752?token=8fa8ba35 Comments welcome.

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Something for the lazy darkroom tech...

Tim Gilbert

We've been playing around with a bunch of ideas, here's my favorite: http://stearmanpress.com/sp-445.html

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Processing 9x12 in the SP-445

Tim Gilbert

We've talked about doing a 9x12 film holder. Frankly, even if we started the project tomorrow, it would be January before anyone saw a holder. (No, that does not constitute a product announcement! We're still evaluating it.) The good news for you 9x12 aficionados? You can modify a 4x5 holder in about 15 minutes. Here's a short video: https://youtu.be/-o0Io9dmDgc You can download the drawing here: 9x12 film holder mod. Several notes: obviously, once you modify the film holder you can't use it for 4x5 film. Also, we assume you know how to cut and form plastic. If you don't want...

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SP-445 hints

Tim Gilbert

Okay, we promised you another video:  https://youtu.be/aTrtU0bhArQ  

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