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Rollei/AGFA Ortho 35mm Black and White Negative (Print) Film (36 Exposures)

B&H # ROO36 Mfr # 3721011-1
No Longer Available
Product Highlights
  • Excellent for Half Tone Shooting
  • 2-Stop Latitude
  • Very Sharp / Fine Grain
  • High Contrast Film

Rollei Ortho 25 film is a monochrome photographic film with a sensitivity of ISO 25/15. It is characterized by a latitude of up to two f-stops, depending upon development.

The emulsion offers an extraordinary sharpness and extremely fine grain. Rollei Ortho 25 is suitable for technical-scientific applications and as a half-tone film in pictorial photography. The highly clear transparent substrate opens the possibility of application as b&w slide film also.

Note! Maco is the actual owner and manufacturer of this film. They purchased the Rollei and Agfa names and formulas. This item may be sold under different names but it is the same film

Panchromatic sensitised with low speed ISO 25/15
Spectral sensitivity 380 - 610nm
Special coating for an improvement of the transport properties of the cameras
Suitable for daylight and tungsten
Polyester base support guarantees the highest level of archival stability
Excellent resolving power of 330 lines/mm
Extreme fine grain and high sharpness; "non-curling" backside coating to improve flatness
Especially suited for digital application

Half-tone film in the pictorial photography

With high requirements in terms of sharpness and extreme fine grain, Rollei Ortho 25 offers excellent results in combination with the fine grain balance developer Rollei High Speed (LP Supergrain)
Rollei Ortho 25 in combination with Rollei Low Speed developer, has a contrast which few b&w developers can match; the results are reminiscent of Technical Pan film; extreme fine grain structure and high sharpness as well as detailed gray tones can be achieved
Type 35mm Ortho film
Speed 25
Applications Reproductions, radiographic reproductions, astro photography, black-and-white and blue slide, for graphic distancing
Process
  • Rollei RLC - Low Contrast
  • Rollei RHC High Contrast - for high contrast
  • Rollei RHS High Speed - Standard processing
  • Color Saturation Not Applicable
    Grain Fine
    Sharpness Very sharp
    Exposure Latitude Wide
    Push/Pull Depends on developer used

    REVIEW SNAPSHOT®

    by PowerReviews
    Rollei/AGFAOrtho 35mm Black and White Negative (Print) Film (36 Exposures)
     
    5.0

    (based on 2 reviews)

    Ratings Distribution

    • 5 Stars

       

      (2)

    • 4 Stars

       

      (0)

    • 3 Stars

       

      (0)

    • 2 Stars

       

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    • 1 Stars

       

      (0)

    Reviewed by 2 customers

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    5.0

    A Challenging, Yet Exceptional Film.

    By sepiareverb

    from NEK VT

    About Me Professional

    Verified Buyer

    Pros

    • Reliable

    Cons

    • Difficult To Use

    Best Uses

    • Landscape Photography

    Comments about Rollei/AGFA Ortho 35mm Black and White Negative (Print) Film (36 Exposures):

    Rollei Ortho is a very challenging film to use, but rewards careful and consistent exposure and development with images of exceptional tonality. With incredibly fine grain I've printed 35mm negatives on 20x24 paper with less visible grain than in Tri-X or HP5+ at 8x10. Really.

    I find this film best at ISO 20 and run in Rodinal 1:25 or 1:50.

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    • No

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    (3 of 3 customers found this review helpful)

     
    5.0

    High-dynamic-range, low-contrast film

    By twoleftsides

    from San Francisco, CA

    About Me Casual user

    Pros

    • Develop by inspection
    • Durable
    • Easy To Use
    • High dynamic range
    • Sharp

    Cons

      Best Uses

      • Portraits

      Comments about Rollei/AGFA Ortho 35mm Black and White Negative (Print) Film (36 Exposures):

      This film has very high dynamic range; I use it for street photography of human subjects under high-contrast situations (cloudless skies around noon, at sea level to 4km altitude). Its dynamic range lets it tame high-contrast situations like no other.

      Sharpness is very high, and the base develops to be quite clear for scanning.

      This is an excellent film for developing by inspection. Use a red safelight. I have found that a small candle works as well...this film is insensitive to low-color-temperature light sources.

      I have stored this film refrigerated for 2 years without any noticeable fogging or loss of speed.

      It has intrinsically low contrast; given that, and its slow speed, it is generally unsuitable for use under overcast skies, in shadows, etc.

      Because it has no long-wave sensitivity, it is essentially "blind" to tungsten light, so it's not a good choice for use indoors either.

      For some reason, every roll I've gotten has a sizable bulge in the middle of the flocking, but I haven't seen any light leaks so far.

      Compared to other films, this has less tendency to curl perpendicular to the film length, but more tendency to curl parallel to it. Even a 6-frame length will snap into a tight coil if allowed. Fortunately this film is very scratch-resistant and I haven't had any problems.

      This film consumes fixer like none other. If the unexposed portions develop other than perfectly transparent, increase the strength of your fixer.

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