Color negative film · In production

Kono! Kolorit 125 Tungsten

Kono! Kolorit 125 Tungsten is a color negative film rated at ISO 125, developed in C-41. Below: specs, an exposure guide and similar stocks.

ISO 125C-41In production135-24
ISO 125
Box speed
Color negative
Type
C-41
Process
In production
Status
available
Years made

Film specifications#

Manufacturer
Kono!
Film
Kolorit 125 Tungsten
Speed
125
Process
C-41
Formats
135-24
Base
Triacetate
Made in
Austria
Status
In production

Character & history#

Tungsten balanced color film, motion picture film stock suitable for C-41 process.

Description adapted from Wikipedia’s “List of photographic films” (CC BY-SA 4.0).

Exposure guide at ISO 125#

Sunny 16 for this film: f/16 at 1/125 s in bright sun. Negative film tolerates 2–3 stops of overexposure; slide film needs accuracy within about ⅓–½ stop.

Lightf/2f/4f/8f/16
EV 16 · Snow / beach, bright sun——1/1250 s1/320 s
EV 15 · Bright sun—1/2500 s1/640 s1/160 s
EV 14 · Hazy sun—1/1250 s1/320 s1/80 s
EV 13 · Cloudy-bright1/2500 s1/640 s1/160 s1/40 s
EV 12 · Overcast / open shade1/1250 s1/320 s1/80 s1/20 s
EV 10 · Sunset1/320 s1/80 s1/20 s1/5 s
EV 8 · Bright interior1/80 s1/20 s1/5 s0.8 s
EV 5 · Home interior at night1/10 s0.4 s1.6 s6 s
EV 3 · City street at night0.4 s1.6 s6 s25 s

Push & pull options#

Tell your lab how many stops you pushed or pulled so development is adjusted for the whole roll.

AdjustmentRate the film atEffect
Pull 1 stopEI 62Lower contrast, finer grain
Push 1 stopEI 250More contrast and grain
Push 2 stopsEI 500Strong contrast, coarse grain, blocked shadows
Push 3 stopsEI 1,000Strong contrast, coarse grain, blocked shadows
Developing C-41: Standard colour-negative chemistry available at almost every lab and in home kits (Tetenal/Cinestill Cs41).

Long exposures#

Most films suffer reciprocity failure beyond about 1 second: they need more exposure than the meter says. As a rule of thumb add ⅓–1 stop for 1–10 s and 1–2 stops beyond 10 s for older emulsions; modern T-grain films (and Fuji Acros) need much less. Check the manufacturer's datasheet.

More Kono! films#

Frequently asked questions#

What ISO is Kono! Kolorit 125 Tungsten?

125 — set your meter to ISO 125 for box speed.

Is Kono! Kolorit 125 Tungsten still made?

Yes, it is currently in production (available).

How do I develop Kono! Kolorit 125 Tungsten?

C-41 process. Standard colour-negative chemistry available at almost every lab and in home kits (Tetenal/Cinestill Cs41).

Is Kono! Kolorit 125 Tungsten available in 35mm?

Yes — formats: 135-24.

Sources & licences#

Last updated October 03, 2026 · How we calculate · Sources

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