Sony
Sony Alpha a6400 compact mirrorless camera black with 16-50mm and 55-210mm lenses 32GB
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Heliopan
Heliopan KB15 80A 58mm Color Conversion Camera Filter
58 mm KB15 80A filter converts 3200 K tungsten light to 5500 K daylight for balanced colour on daylight film
- Converts tungsten light to daylight balance using 80A filter factor
- Single-coated 58mm glass reduces internal reflections for accurate colour
- Raises colour temperature from 3200 K to 5500 K for film compatibility
- Cuts light transmission by two stops aiding exposure control
- KB15 cooling filter designed for 3200 K incandescent sources
Product Identity
The Heliopan KB15 80A is a 58mm colour conversion filter designed for cameras and lenses with a 58mm filter thread. It shifts the colour temperature from 3200 Degree K to 5500 Degree K, allowing daylight-balanced film to be used under 3200 Degree K tungsten or household incandescent lighting. The single-coated glass construction balances colour temperature for accurate rendering. It also reduces the amount of light entering the camera.
Suitability
This filter suits photographers who shoot daylight-type colour film or sensors under artificial tungsten lighting and need precise 80A correction. It is not for users whose lenses have a different thread diameter or who require a filter factor other than the 80A designation. Buyers needing neutral density, polarising or special effects filters should look at other product types. The single coating may not meet the flare-control demands of high-contrast digital workflows.
Capacity and Headroom
The 80A designation provides a fixed shift from 3200 Degree K to 5500 Degree K, which comfortably handles standard household incandescent and studio tungsten sources. It runs out when the ambient source deviates significantly from 3200 Degree K, such as cooler fluorescents or warmer candlelight, where a different conversion value would be required. The 58mm thread limits use to matching lens diameters without step-up or step-down rings. Light reduction is inherent to the conversion and cannot be adjusted independently.
Highlights
- Converts tungsten light to daylight balance using 80A filter factor
- Single-coated 58mm glass reduces internal reflections for accurate colour
- Raises colour temperature from 3200 K to 5500 K for film compatibility
- Cuts light transmission by two stops aiding exposure control
- KB15 cooling filter designed for 3200 K incandescent sources
Specifications
No published specifications for this item yet.
Questions about this item
Which lens thread size does the 58mm filter fit?
The KB15 80A filter mounts on any lens with a 58mm front thread.
Can I leave the 80A filter on when I switch to a flash or LED panel rated at 5500 K?
No — the 80A raises 3200 K sources to 5500 K, so a 5500 K light would become too cool.
How can I verify the KB15 80A is giving the correct colour shift after mounting it?
Shoot a grey card under 3200 K light; the RAW file should read neutral without a heavy blue cast.
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