The 4-stop, 3 x 4" Tiffen Hard-Edge (Horizontal Orientation) Graduated ND Filter is a graduated neutral density filter that helps to specifically darken skies and other bright areas of the image. The filter is densest at the edge and tapers to clear by the middle, with a hard-edged line of transition between the density and clear areas. Neutral density filters do not affect the coloration of the image and this filter's 1.2 optical density provides a 4-stop reduction in light from entering the lens.

This filter is constructed from Water White glass and is made using ColorCore technology, a process that involves laminating the filter substrate between 2 pieces of optical glass and grinding flat to a tolerance of 1/10,000th of an inch. This filter measures 3 x 4" / 76.2 x 101.6mm.

Note: A horizontal orientation filter's line of transition runs parallel to the long side of the filter.

1.2 Optical Density    ColorCore Water White Glass    Reduce Exposure in Selective Areas

Hard-edged graduated ND filter for darkening skies and other bright areas of the image.

Provides a 4-stop reduction in light in selective areas.

Neutral density filters do not affect the overall coloration of the image.

Water White optical glass for excellent clarity.

Related Questions and Answers

Q: 1. Does it work with red komodo?

A: The Canon LP-E6 Dummy Battery Power Cable will not work with the RED Komodo. However, you can use a D-tap to a 2-Pin LEMO-Type Power Cable.

Q: 2. I have had this battery for 6 months. Now it is telling me it will take 11+ hours to charge. Is it defective?

A: An estimated time of 11+ hours to charge your battery means there is a problem with your battery.

Q: 3. Will this work with the Panasonic DC-G9?

A: Yes, The Core SWX Powerbase EDGE Cable for Panasonic DMW-BLF19 Devices would work with the Panasonic GC-G9 camera. See this link for a full kit with battery that will work with your camera model. https://bhpho.to/32PcsNo

Q: 4. Please confirm that it comes with a charger included or do I have to buy it separately and kindly recommend the connector top my sony A74?

A: The Core SWX Powerbase EDGE V-Mount Battery does not come with a charger. You would need a charger such as the Core SWX PB70C15 D-Tap Wall Charger (BH #COPB70C15). To connect the battery to the Sony a7 IV, a dummy battery such as the Kondor Blue D-Tap To Sony a7S III Dummy Battery NP-FZ100 Cable (BH #KODTSA7SDB) would be needed.

Q: 5. How long will this power the BM4K?

A: This battery is around 3.5x the capacity as the LP-E6 style battery the Pocket 4K/6K normally uses. You should expect this to get around 3.5x the power. If an LP-E6 is giving you 45 minutes then this should give you 150 minutes or so.

Q: 6. It appears that the camera plate is plastic. Is that true? Can it be replaced with the metal one, or is it a proprietary shape?

A: The material the plate is made of has not been listed by CORE. On the other hand, we also have never heard of any issue regarding the plate as well. CORE makes terrific products, we are sure you will think so too.

Q: 7. Will this work on the Black Magic 6k Pro?

A: Yes, and no. The 6K Pro takes a different kind of battery (the NP-F550) instead of the dummy battery this one provides. You could, however, get a d-tap to 2-pin LEMO (the 12V power input on the left) and power the camera with the battery that way.

Q: 8. How do you put the battery into storage or off mode?

A: Hold the LCD backlight button for 20 seconds to awaken and to put back into "Storage mode."

Q: 9. Can i power the blackmagic 12hdr 7inch video assist with this battery?

A: Yes, you can use a D-tap to Sony L-series dummy battery cable.

Q: 10. does it have a threaded bottom mount for tripod?

A: Yes it does.