C41
Kodak Portra 400
Kodak Portra 400 is a professional C-41 color negative film known for flexible exposure latitude, natural skin tones, and fine grain.
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The ICA Sirene is a folding plate camera produced by ICA AG of Dresden, Germany, introduced around 1912. ICA (Internationale Camera-Aktiengesellschaft) was itself a 1909 merger of four Dresden-area camera manufacturers -- Hüttig, Krügener, Wünsche, and Carl Zeiss Jena's camera department -- and the Sirene represents the early product output of that consolidated entity, before the next wave of consolidation that produced Zeiss Ikon in 1926.
Reference
Recommended film stocks for the — format your camera takes.
C41
Kodak Portra 400 is a professional C-41 color negative film known for flexible exposure latitude, natural skin tones, and fine grain.
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Kodak Portra 160 is a professional C-41 color negative film with fine grain, soft contrast, and natural color.
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Kodak Ektar 100 is a fine-grain C-41 color negative film with saturated color and high sharpness.
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About this camera
An elegant pre-merger Dresden plate folder from 1912 -- ICA's 6x9 compact before Zeiss Ikon absorbed the line.
| Field | Value |
|---|
| Format | 6x9cm glass plates; roll-film back available |
| Lens | Zeiss Tessar or ICA Anastigmat (fixed, varies by variant) |
| Shutter | Compound or Ibsor leaf: ~1s - 1/100s + B, T |
| Meter | None |
| Battery | None |
| Viewfinder | Optical direct; no rangefinder |
| Focus | Scale / rack-and-pinion bellows extension |
| Manufacturer | ICA AG, Dresden |
| Years | ~1912 - 1926 (company absorbed into Zeiss Ikon) |
ICA AG was formed in Dresden in 1909 through the consolidation of four smaller German camera firms. The Dresden camera industry of this period was highly concentrated geographically, benefiting from a skilled optical and precision-mechanics workforce and proximity to the Zeiss optical works in nearby Jena. The resulting firms competed vigorously on design, optical quality, and price.
The Sirene appeared around 1912 as part of ICA's plate-folder line, which spanned multiple formats and price tiers. The name "Sirene" -- referencing the mythological sea creature -- was typical of the evocative product naming common in German camera marketing of the period. ICA simultaneously produced the Trona (a more robust instrument) and several other plate folder series.
World War I (1914-1918) severely disrupted German civilian camera production, and the Sirene's production history spans the interruption. Post-war, the German camera industry faced economic upheaval and the pressures of the Weimar inflation years. The second major consolidation came in 1926 when Carl Zeiss Foundation orchestrated the merger of ICA, Contessa-Nettel, Ernemann, and Goerz into Zeiss Ikon AG. The Sirene line did not survive the merger under its own name; Zeiss Ikon rationalized the product portfolio substantially, retaining the Nettar and Ikonta as the successor medium-format folder lines.
The ICA Sirene matters primarily as a document of German camera industry history in the pre-Zeiss Ikon era. The 1909-1926 ICA period represents a distinct chapter in Dresden camera manufacturing -- the first wave of consolidation -- before Zeiss Ikon completed the process and established the dominant Central European camera brand of the interwar period.
Cameras like the Sirene also illustrate the state of the art just before the disruptions of the mid-1920s: the Leica I appeared in 1925, fundamentally changing the market for portable cameras, and the Ermanox (1924) had already demonstrated that small-format cameras could serve serious journalistic and available-light purposes. The Sirene, produced for glass plates at a time when that was still the dominant professional medium, represents the peak of one technological trajectory just as it was being overtaken.
For photographers, the Tessar-equipped variants offer access to Zeiss optical quality of the pre-coating era at lower cost than later Zeiss Ikon instruments. The Tessar formula -- a four-element, three-group design -- is rugged, well corrected, and renders with the characteristic sharpness that made it Zeiss's workhorse lens formula for decades.
BW
Kodak Tri-X 400 is a classic black-and-white film known for strong tonality, visible grain, and documentary character.
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