Formatt 81EF Color Conversion Filter (37mm)
- Price: $67.50
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Usually ships in 7-10 business days
Availability Details
CloseThis item is usually Drop Shipped from the MFR/Distributor within 7-10 business days (subject to availability). Your order will be charged at the time of placing the order with the MFR
International Orders*
For international orders, credit cards will be charged at time you place your order.
- B&H # FO81EF37
- Mfr# BF 37-CTC81EF
Product Highlights
- Warmer Than an 81C
- Schott Glass
The Formatt 37mm 81EF Color Conversion Filter controls the bluish coloration that affects daylight film. It can also remove excessive blue from the effects of electronic flash.
It's Autumn. The clouds are low hanging and the sky is "patchy blue". You've gone for a ride upstate to the mountains and the light in open shade is bluish. A photo taken of your girlfriend with daylight balanced film leaning against the side of a barn will yield bluish tones that she might not find particularly flattering.
An 81EF filter (the strongest in the 81 series) will more than replace the yellow missing from the image and place all skin tones on a distinctly "warmish" level. You might even consider using an 81EF at the beach to make a hot scene even "hotter". The 81 series (81A, B, C, D and EF) allows you to choose how much warmth you wish to replace in the image.
This filter can be used by the pro and amateur alike, weekend photo warrior or pro cinematographer and must be considered an essential addition to any photo arsenal.
Note! Whereas the 81 Series of filters creates a feeling of warmth, the 82 Series creates a feeling of coolness.
- Filter Quality
- Formatt filters are made from Schott-Desag B270 Crown Optical Glass - a high-quality glass that assures you of color consistency from filter to filter
81 Series Conversion Factors
- 81 decreases color temperature from 3300 - 3200 Kelvin
- 81A decreases color temperature from 3400 - 3200 Kelvin
- 81B decreases color temperature from 3500 - 3200 Kelvin
- 81C decreases color temperature from 3600 - 3200 Kelvin
- 81D decreases color temperature from 3700 - 3200 Kelvin
- 81EF decreases color temperature from 3900 - 3200 Kelvin
| Type | Color Conversion |
| Size | 37mm |
| Grade | 81EF |
| Filter Factor | +2/3 |
| Multi-Coated | Not Applicable |
| Rotating | Not Applicable |
| Effect | The 81 series adds warmth to the image |
| Application | Good for general scenes when the photographer wishes to remove the bluish cast from open shade or just add warmth to the photograph, with an 81EF having the greatest effect |
| Color Temperature | Decreases color temperature from 3900 - 3200 Kelvin |
| Construction | Schott-Desag B270 Crown Optical Glass |
| Front Filter Thread Size | 37mm |
| Front Lens Cap Size | 37mm |
Care & Cleaning
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- Price: $4.99
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