Hoya 40.5 mm 80B Color Conversion Glass Filter
The Hoya 40.5 mm 80B Glass filter is blue. It is used to balance daylight film under artificial, tungsten or standard (household) incandescent lighting.
You've been given an assignment to do some slide copying on a copy stand. Unfortunately, you only have daylight film and you notice that the copy stand is loaded with 3400K photofloods. Not to worry! An 80B is a strong dark-blue filter that will balance your colors back to reasonable normality. This filter can also be used as a "conversion" filter for when you are shooting in a room with incandescent light (household light bulbs) and daylight film.
This filter allows you to "balance", i.e. bring back, correct color tone to your images. There is some loss of film speed that may require the use of a tripod but, at least, your photos will demonstrate the proper tonality they so richly deserve.
Hoya makes the 80 series of filters in many sizes to accommodate the many uses this filter has. This filter should 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.
- As one of the premier filter manufacturers, Hoya filters continue to made from quality glass assuring the photographer clear, sharp and accurate images
- Hoya filters consistently provide even color all the way through the filter; All surfaces are ground and polished to specific thickness and tolerances
- Even non-multi-coated Hoya filters have one layer of anti-reflective coating applied to each surface of the glass; Hoya's single layer coating decreases light reflection off the surface from approx. 9% to an average of 4-5%
80 Series Color Conversion Chart
- 80A increases color temperature from 3200-5500° Kelvin (commonly used with 3200K lamps)
- 80B increases color temperature from 3400-5500° Kelvin (commonly used with photoflood lamps)
- 80C increases color temperature from 3800-5500° Kelvin (commonly used with flashbulbs)
- 80D increases color temperature from 4100-5500° Kelvin (commonly used to remove extreme orange or red)
| Type | Color Conversion |
| Size | 40.5 mm |
| Grade | 80B |
| Filter Factor | 4 (+2 stop) |
| Multi-Coated | No |
| Rotating | No |
| Effect | Balances daylight film for use with most standard tungsten lighting, studio lighting and copy stand lighting |
| Application | Used to shoot daylight film under artificial (household) lighting conditions |
| Color Temperature | Increases color temperature from 3400-5500° Kelvin |
| Construction | Glass |
| Front Filter Thread Size | 40.5 mm |
| Front Lens Cap Size | 40.5 mm |
Filter pouch
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- Original: $9.95
- Save: $0.99
- Price: $8.96
Care & Cleaning
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- Original: $4.99
- Save: $0.50
- Price: $4.49
What's in the Box
- One-Year Warranty
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