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B+W Filtro de Conversão de Aquecimento de Cor 81A de 72mm de Vidro Fino

  • Discontinued
  • B&H # BW81AS72
  • Fab# 65-098997

Características de produto em destaque

  • Anel de Filtro de Bronze Resistente
  • Vidro Schott de alta qualidade
 

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This B&W 72mm 81A Warming Conversion Glass Filter Slim has an effect similar to that of the Kodak Wratten 81A gelatin filter. It is also similar to the KR1.5 (Skylight) conversion filter except that it is less reddish as it absorbs a little bit of the red.

The 81A controls the bluish coloration that affects daylight film. It can also remove excessive blue from the effects of electronic flash. Good for general scenics when the photographer wishes to remove the bluish cast from open shade or just add warmth to the photograph.

B&W slim filters are for wide-angle lenses and are 3mm thick. They do not have a front thread.

Observação! Whereas the KR series (and the 81 series) of filters creates a feeling of warmth, the KB Series (and the 82 Series) creates a feeling of coolness

It can be used like the KR1.5 (Skylight) filter especially with films that tend to a reddish rendition inherent to their emulsion or to the developing process
Ideal for landscape photographs at noontime and for flash exposures on daylight reversal film when the light emitted by a compact flash unit has too high a color temperature (and, this, an excessive blue component)

81 Series Conversion Factors

81A decreases color temperature from 3400 - 3200 Kelvin
81B decreases color temperature from 3500 - 3200 Kelvin
KR3 (81C) decreases color temperature from 3600 - 3200 Kelvin
KR6 (81EF) decreases color temperature from 3900 - 3200 Kelvin
Tipo Conversão de Cor
Size 72mm Slim
Grade 81A
Filter Factor 1.2 (+.5-stop)
Multirrevestido Não aplicável
Giratório Não aplicável
Effect Creates warmer tones and brighter colors on overcast days or when shooting with electronic flash
Application Great for improving flesh tones
Color Temperature Decreases color temperature from 3400 - 3200 Kelvin
Construção Vidro Schott
Tamanho da Rosca do Filtro Frontal Não aplicável
Tamanho da Tampa da Lente Frontal Não aplicável

Care & Cleaning

Pearstone Lenço de limpeza em microfibra, 18% cinza (7 x 7,9")
Pearstone -  Lenço de limpeza em microfibra, 18% cinza (7 x 7,9")
    • Original: $4.99
    • Save: $0.50
  • Preço: $4.49
 
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Caps & Wrenches

General Brand Tampa "stack" para filtro de 72mm
General Brand -  Tampa "stack" para filtro de 72mm
  • Preço: $14.95
 
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O que vem na caixa

B+W Filtro de Conversão de Aquecimento de Cor 81A de 72mm de Vidro Fino
  • B&W Push-on Lens Cap
  • 10 anos de garantia (Apenas nos EUA)
 
 
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