Use of X-ray film: technical discussion with example images

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Originally Posted by koraks

Agitation is critical when using xray film. Too much and you get uneven development, too little and it's the same story.
I've had good results with instant Mytol in a tray.

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Then I rocked the tray probably too much. Is time also a factor? E.g. watering down the solutions to get longer developing times?

Your results look more like too little than too much agitation, but only you know exactly what you did ;)
Higher dilutions for longer development times can help and are a viable option depending on which problem you're trying to solve.
Since this is a mammography film, I assume it's single sided?

Agitation that works for me is gentle lifting of (flat-bottomed) tray once, north/south east/west. Then let rest for one minute. This works well for double-sided, 8x10, 14x17. I use Pyrocat-HD or Blazinol (Rodinal deriviative).

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Originally Posted by Andrew O'Neill

Agitation that works for me is gentle lifting of (flat-bottomed) tray once, north/south east/west. Then let rest for one minute. This works well for double-sided, 8x10, 14x17. I use Pyrocat-HD or Blazinol (Rodinal deriviative).

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I use a similar pattern. If more agitation is needed for particular films or developers i lift 3 corners each 30 seconds.

If you are using X-ray film, you may want to download the free paper I just posted on this forum on SLIMTs. It specifically discusses reducing the contrast of X-ray film with SLIMTs.

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Originally Posted by koraks

Your results look more like too little than too much agitation, but only you know exactly what you did ;)

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Constantly shaking the tray from left to right ...

2nd try with pre-soaking the film in 3% soda solution to get rid of the anti-halation layer for 4 mins. The developers react more quickly but the clouds are still there. Next try will be indeed with Rodinal or HC110 ...

Attachment 190207

Dilute Rodinal 1/100

try 7 to 10 minutes medium agitation

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Originally Posted by Randy Moe

Dilute Rodinal 1/100

try 7 to 10 minutes medium agitation

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This.
Your dev times are too short using those developers (at what I assume is "normal" strength).

I develop any of my X-ray film (blue, green, or the Kodak one-sided only) with Xtol (1+1) or Rodinal (1+50) for 6 minutes, and always obtain satisfactory results. Here is an example using the Kodak one-sided-emulsion film;

https://live.staticflickr.com/7830/4...926e9c93_c.jpgJimNoel by Palenquero Photography, on Flickr

Hello, this is my first post :)

I'm interested in trying Fuji Super HR-T (green) X-ray 8x10 film in my large format 4x5 camera.

Just ordered it, still waiting to receive. Description says that emulsion is on one side only, hopefully it's true.

Planning to use my paper trimmer to cut sheets down to 4x5.

Has anyone used this HR-T film before? Any word of advice on ISO rating and develpoing?

Thank you!