Features:
- Neutral density filters like the HAKUBA SUPND4-30.5 are used to slow shutter speeds with fast films, to decrease depth of field, and to lower the effective ISO of high speed film
- Neutral density filters are often overlooked by beginning photographers, despite multiple uses
- The ND filter can be used to lengthen exposure time, creating effects such as white foaming water in landscape photos that seems almost in motion
- The 4X filter factor used with the SUPND4-30.5 means, quite simply, that four times as much light is needed for exposure when the filter is mounted
- For use with lenses featuring 30.5MM filter threads
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