Ultrafine Xtreme Black & White Film ISO 400

j.scooter said:
Did you use a filter for this one? The sky looks pretty dark.
I have used a red filter with this film a couple of times and did not notice any difference.
Click to expand...

I didn't use a filter on this one, just set the black point in post using the curves adjustment.

But... this film is sensitive to red filtration. In my trichromy experiments, you can see the effects of different filters. For example, here are three black and white frames, as shot through the different color filters. Tiffen #25 Red, #58 Green, and #47 Blue, respectively, from left to right.

 
This is an example of when I used a red filter. Was expecting the blues to be way darker.

OM4 24 2.8 D76 1+1
med_U38373I1568897723.SEQ.1.jpg
 
j.scooter said:
This is an example of when I used a red filter. Was expecting the blues to be way darker.
Click to expand...

Hm, I don't what to say... perhaps the skies were not as blue as they appeared, or maybe the filtration of your particular red filter didn't block out as much blue as expected? Did you meter TTL, or calculate the filter factor apart from what your meter was telling you?

Anyway, here's another example that has some deep blues. I think I specifically chose the box of the new Ektachrome because I wanted to see how trichromy might render blue tones. I made a collage of the original black and white frames, as shot through the different color filters, plus one unfiltered shot. Top row, left to right: Tiffen #25 Red, #58 Green. Bottom row, left to right: Tiffen #47 Blue, no filter. You can see in the upper left, red filtered image that the blue tones rendered quite dark.


Filtered Ektachrome by dourbalistar, on Flickr
 
Anyone else noticed that Ultrafine is out of stock everywhere, even on their website? I wonder if they’re factory is shut down due to Covid or something. Anyone heard anything??
 
RobinWinter said:
Anyone else noticed that Ultrafine is out of stock everywhere, even on their website? I wonder if they’re factory is shut down due to Covid or something. Anyone heard anything??
Click to expand...

It is indeed COVID related, see this discussion on Flickr:
https://www.flickr.com/groups/ultrafinextreme/discuss/72157713001717646/72157714818719336/

Many believe this to be a Harman/Ilford product, so if you want to speculate, it might be related to the temporary shutdown of their manufacturing facilities. However, they are now back in production.
 
Nikon FM2n, AI Nikkor 50mm f/1.8S, Ultrafine eXtreme 400, developed in LegacyPro L110 at 1:31 for 5.5 minutes. Three individual black and white frames shot through Tiffen #25 Red, #58 Green, and #47 Blue filters, respectively, then combined using GIMP to create a trichrome color image.


2020.05.14 Roll #245-04799-positive-trichrome.jpg by dourbalistar, on Flickr
 
Nikon FM2n, AI Nikkor 50mm f/1.8S, Ultrafine eXtreme 400, developed in LegacyPro L110 at 1:31 for 5.5 minutes. Three individual black and white frames shot through Tiffen #25 Red, #58 Green, and #47 Blue filters, respectively, then combined using GIMP to create a trichrome color image.


2020.05.14 Roll #245-04802-positive-trichrome.jpg by dourbalistar, on Flickr


Nikon FM2n, Nikkor-S Auto 55mm f/1.2, Ultrafine eXtreme 400, developed in LegacyPro L110 at 1:31 for 5.5 minutes.


2019.09.25 Roll #221-04038-positive.jpg by dourbalistar, on Flickr
 
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