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Ultrafine Xtreme UXF 400 Black and White Negative Film (35mm Roll Film, 36 Exposures)

BH #ULXUBI43536 • MFR #652-364
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Ultrafine Xtreme UXF 400 Black and White Negative Film (35mm Roll Film, 36 Exposures)
Key Features
  • Fine Grain and High Sharpness
  • Ideal for General Use and Action
  • Wide Exposure Latitude
  • Medium Contrast
Ultrafine Xtreme UXF 400 is a 35mm fine-grained black and white filmstock able to retain outstanding detail with acute sharpness. With a rated sensitivity of ISO 400, this film offers a wide exposure latitude and is suitable for a variety of subjects and lighting conditions. Designed to maintain shadow detail and broad tonal ranges, this film is also ideal for push processing.
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Ultrafine Xtreme UXF 400 35mm Overview

Ultrafine Xtreme UXF 400 is a 35mm fine-grained black and white filmstock able to retain outstanding detail with acute sharpness. With a rated sensitivity of ISO 400, this film offers a wide exposure latitude and is suitable for a variety of subjects and lighting conditions. Designed to maintain shadow detail and broad tonal ranges, this film is also ideal for push processing.

Ultrafine Xtreme UXF 400 35mm Specs

Number of Rolls
1
Film Format
35mm
Number of Exposures
36
Film Type
Panchromatic B&W Negative
ISO/ASA Film Speed
400
Film Processing
Standard Black and White Chemistry
Packaging Info
Package Weight
0.065 lb
Box Dimensions (LxWxH)
2.4 x 1.55 x 1.4"

Ultrafine Xtreme UXF 400 35mm Reviews

Pretty Good For The Money

By Daniel
Rated 5 out of 5
Date: 2026-05-10

I bought several bulk rolls of this in ASA 400 and the ASA 100 version (I am old, so I still say ASA, since I dislike change) direct from Photo Warehouse before they were for sale here. I shot my first rolls of UFX 400 in my Nikon F2, and when I pulled the reels out of the tank I was very pleased with the results. I had to go shoot 2 more rolls just to make sure it wasn't a fluke, but the second two were just as good. I have been developing this film in replenished Legacy Pro MIC-X at 11:30 67.5F (my thermometer is a little bit off, and reads 68F at 67.5) with pretty decent results. I followed the old Kodak Microdol-X data sheet for replenishment procedures. The developer ended up turning a slight magenta color, but still works fine. I also used XTOL with this film with similar results. The boxes mine shipped in were identical to the boxes Harmon products ship in. It doesn't matter where it was made, only that it performs well. It seems to have just the right amount of contrast for my tastes, and the grain, while visible is not overwhelming. As always, your mileage may vary, and what works for one person may not work for someone else. I hope this remains available for sale for a long time, because it is one of the best bargains out there right now, although the price is twice what it was in 2020, its still very reasonable, compared to some other films. I'm glad that B&H Photo has this available for sale now. I want to try it in my Pentax 645N soon. I liked Kentmere Pan 400 in 120, and I will probably like the Ultrafine Xtreme as well. I'm just a film junkie, I guess.

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