Hoya 77mm Neutral Density x400 (ND) 2.7 Hoya Multi-Coated (HMC) Glass Filter
The 77mm Neutral Density x400 (ND) 2.7 Hoya Multi-Coated (HMC) Glass filter from Hoya has several uses and offers the possibility to achieve otherwise unachievable results. ND filters appear grey and reduce the amount of light reaching the film. They have no effect on color balance.
Multi-coated to minimize reflection at the filter surfaces which reduces flare and ghosting.
- Photographing solar eclipses and ultra-bright light sources can be extremely dangerous. This filter reduces light values by 9 stops to less than 1/500th of its original intensity and allows safe photography. It can also be used to achieve super slow shutter speeds in daylight to render moving subjects invisible.
Neutral Density Ffilters Have Four Main Uses
- To enable slow shutter speeds to be used, especially with high speed ISOs, to record movement in subjects such as waterfalls, clouds, or cars
- To decrease depth of field by allowing wider apertures to be used, which helps separate subjects from their background
- To decrease the effective ISO of high speed ISOs (above ISO 400) and allow it to be used outdoors in bright situations
- To allow cine and video cameras (which have fixed shutter speeds) to film subjects such as snow, sand or other bright scenes which could cause overexposure
Hoya Quality
- As one of the premier filter manufacturers, Hoya filters continue to be 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%
| Type | Neutral Density |
| Size | 77 mm |
| Grade | 2.7 |
| Filter Factor | 2.7 (9-Stops) |
| Multi-Coated | Yes Hoya Multi-Coated (HMC) |
| Rotating | No |
| Effect | ND filters appear grey and reduce the amount of light reaching the film, they have no affect on color balance |
| Application | To use high speed ISOs in bright sun |
| Color Temperature | Not Applicable |
| Construction | Glass |
| Front Filter Thread Size | 77 mm |
| Front Lens Cap Size | 77 mm |
Filter pouch
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- Price: $8.95
Caps & Wrenches
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- Price: $5.95
Care & Cleaning
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- Price: $4.99
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