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 Iskra (Russian: Искра, "Spark") is a 6×6 format folding medium-format camera produced by **KMZ (Krasnogorsk Mechanical Plant)** from 1960 to 1963. It is one of the few Soviet medium-format cameras to feature a **coupled rangefinder**, making it significantly easier to use than the zone-focus Soviet 120 folders. The lens — **Industar-58 75mm f/3.5** — is a Tessar-type four-element design, offering sharp results when stopped down. The leaf shutter (Soviet-made, Compur-derivative) runs from 1s to 1/500s with full flash sync at all speeds.
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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
Soviet 6×6 folding rangefinder. Made by KMZ (Krasnogorsk) 1960–1963. Industar-58 75/3.5 Tessar copy, coupled rangefinder, leaf shutter to 1/500s.
| Field | Value |
|---|
| Format | 120 (6×6, 12 exposures) |
| Lens | Industar-58 75mm f/3.5 (Tessar copy) |
| Shutter | 1s – 1/500s + B, leaf shutter |
| Flash sync | All speeds (leaf shutter) |
| Rangefinder | Coupled |
| Meter | None |
| Weight | ~760 g |
| Battery | None |
KMZ produced several medium-format designs in the 1950s–60s, including the Moskva series (6×9 folders). The Iskra was a smaller, more refined 6×6 aimed at the advanced amateur market. Production ran only 1960–1963, replaced by the Iskra-2 (1963–1970) which added a selenium exposure meter. The short run means surviving Iskra examples are less common than the longer-produced Moskva cameras, and prices reflect that modest scarcity.
For Soviet camera enthusiasts, the Iskra is prized as a capable medium-format folder that doesn't require guessing focus distances. The coupled rangefinder brings shooting discipline closer to a Mamiya 6 experience (obviously without the same refinement). The Industar-58 resolves well on 6×6 and benefits from the larger negative. At $100–280, it sits in the same bracket as other Soviet 120 folders but offers a meaningful usability advantage.
Fixed Industar-58 75/3.5. No accessory shoe on base model; no interchangeable lens capability. Use an external accessory shoe adapter for flash.
E6
Fujifilm Fujichrome Provia 100F (RDPIII) is a professional E6 reversal (slide) film in 135 and 120 formats, known for its natural, balanced color reproduction, very fine grain, and moderate saturation. It remains in production as of 2026 and is one of the last professional slide films available.
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Kodak Tri-X 400 is a classic black-and-white film known for strong tonality, visible grain, and documentary character.
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