Friday, January 18, 2019

How to Develop a Tank Film

How to Develop a Tank Film

Black-and-white photography remains an experience that immerses you in the photographic process. While digital photography becomes commonplace, the hands-on nature of film-based systems still attracts devoted followers. To get a quality print, capturing and processing a great negative is the first step. Developing film at home doesn't require a permanent darkroom. Black-and-white chemistry is flexible enough to work at room temperature. Consistency in processing is key to producing predictable results.

Instructions

Processing your film

    1

    Prepare your chemicals according to manufacturer's instructions. Check the film tank instructions for the quantity of chemistry to process your film. If necessary, let the chemistry cool to the recommended working temperature.

    2

    Place the film, can opener, film tank (including its lid) and film reel into the dark bag or on a work surface in a completely darkened room. Use the can opener to pry off the cap on the flat end of your 35mm film. Film reels have different ways of loading. Refer to the instructions for your model. Practice loading the reel with exposed film a few times. Place the loaded reel in the tank and affix the lid. At this point, the tank is light safe.

    3

    Refer to the instructions for the film developer for the time and temperature combination for your developer and film type. Set your timer for this value. Pour the developer into the tank smoothly and start the timer once all developer is in the tank. Tap the tank sharply two or three times to dislodge air bubbles and slide the tank back and forth gently for 10 seconds to agitate the developer. Continue agitating five seconds every 30 seconds, or 10 seconds every minute to ensure fresh chemistry contacts the film.

    4

    Remove the fill cap -- not the tank lid. Pour developer from the tank with 10 seconds left in processing. Save developer if reusable or properly dispose of it. Pour stop bath in and repeat tapping and initial agitation as you did with developer. Check manufacturer's instructions for time, which is usually quite short for stop bath. Stop bath time is not critical to processing.

    5

    Drain the stop bath from the tank, and add film fixer, repeating the tapping and agitation process. Fixing times are not critical for image formation, but do affect the longevity of the film. Stay close to the manufacturer's recommendations for time, agitating the tank 10 seconds every minute. The film is safe to expose to light after half the fixing time.

    6

    Wash the film in running water at about room temperature for the time recommended by the fixer instructions. Thorough washing is required to remove all traces of fixer, which can stain film if left behind. Drain the tank completely and fill it with fresh water. Add wetting agent as recommended by the manufacturer. Film can be dried on the reel, but it is preferable to hang it vertically to dry using plastic clothespins. Add a clothespin to the bottom to keep the film straight.

    7

    Hold your negatives by the edges or by the clothespins. Review your negatives on a light table or bright light. Protect negatives in a negative sleeve or envelope. Cut about every six fames. Tag with subject and date. You are ready to make prints.


How to Develop a Tank Film

Black-and-white photography remains an experience that immerses you in the photographic process. While digital photography becomes commonplace, the hands-on nature of film-based systems still attracts devoted followers. To get a quality print, capturing and processing a great negative is the first step. Developing film at home doesn't require a permanent darkroom. Black-and-white chemistry is flexible enough to work at room temperature. Consistency in processing is key to producing predictable results.

Instructions

Processing your film

    1

    Prepare your chemicals according to manufacturer's instructions. Check the film tank instructions for the quantity of chemistry to process your film. If necessary, let the chemistry cool to the recommended working temperature.

    2

    Place the film, can opener, film tank (including its lid) and film reel into the dark bag or on a work surface in a completely darkened room. Use the can opener to pry off the cap on the flat end of your 35mm film. Film reels have different ways of loading. Refer to the instructions for your model. Practice loading the reel with exposed film a few times. Place the loaded reel in the tank and affix the lid. At this point, the tank is light safe.

    3

    Refer to the instructions for the film developer for the time and temperature combination for your developer and film type. Set your timer for this value. Pour the developer into the tank smoothly and start the timer once all developer is in the tank. Tap the tank sharply two or three times to dislodge air bubbles and slide the tank back and forth gently for 10 seconds to agitate the developer. Continue agitating five seconds every 30 seconds, or 10 seconds every minute to ensure fresh chemistry contacts the film.

    4

    Remove the fill cap -- not the tank lid. Pour developer from the tank with 10 seconds left in processing. Save developer if reusable or properly dispose of it. Pour stop bath in and repeat tapping and initial agitation as you did with developer. Check manufacturer's instructions for time, which is usually quite short for stop bath. Stop bath time is not critical to processing.

    5

    Drain the stop bath from the tank, and add film fixer, repeating the tapping and agitation process. Fixing times are not critical for image formation, but do affect the longevity of the film. Stay close to the manufacturer's recommendations for time, agitating the tank 10 seconds every minute. The film is safe to expose to light after half the fixing time.

    6

    Wash the film in running water at about room temperature for the time recommended by the fixer instructions. Thorough washing is required to remove all traces of fixer, which can stain film if left behind. Drain the tank completely and fill it with fresh water. Add wetting agent as recommended by the manufacturer. Film can be dried on the reel, but it is preferable to hang it vertically to dry using plastic clothespins. Add a clothespin to the bottom to keep the film straight.

    7

    Hold your negatives by the edges or by the clothespins. Review your negatives on a light table or bright light. Protect negatives in a negative sleeve or envelope. Cut about every six fames. Tag with subject and date. You are ready to make prints.



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