The Vivitar 80C Filter 48mm is a blue colour correction filter designed to balance daylight-type film for use with clear flashbulbs. It is a cooling filter that increases the colour temperature from approximately 3800K to 5500K.
Key Features:
- Filter Type: Colour Correction / Conversion (Blue).
- Purpose: 80C is a light blue cooling filter used to correct warm lighting (such as early morning/late afternoon sun) or to add a cooler tone to images.
- Application: Specifically used to correct the warm light from clear flashbulbs when using film balanced for daylight.
- Exposure Change: Requires a 1-stop increase in exposure (filter factor of 2).
- Construction: High-quality optical glass, typically made in Japan, often featuring a glossy black finish with twin chrome rings.
- Compatibility: Fits any camera lens with a 48mm front filter thread.
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