The Tiffen 49mm 81C Light Balancing Filterhelps to decrease the color temperature by 400K in order to warm the image slightly in order to match the color quality of illumination. When using an 81C filter, you will be able to attain 3200K balance when the prevailing light source is 3600K. The warming effect of this filter requires a 0.3-stop increase in exposure for normal results.

This filter is made using ColorCore technology, a process that involves laminating the filter substrate between 2 pieces of optical glass, grinding flat to a tolerance of 1/10,000th of an inch, and then mounting to precision metal rings.

Warming Light Balancing Filter    Less 400K to Convert 3600 to 3200K    ColorCore Technology

Light balancing filter decreases color temperature and provides a warming effect.

Subtracts 400K in order to attain 3200K color balance from 3600K illumination.

Filter factor of 1.3 requires a 0.3-stop increase in exposure.

Related Questions and Answers

Q: 1. I need a rear cap for this adapter. What size do I need?

A: We do not have a rear lens cap compatible for use with the NiSi Filter Adapter for Ricoh GR III (49mm). The rear of the NiSi Filter Adapter for Ricoh GR III is designed for the dedicated bayonet mount on the front of the Ricoh GR III Digital Camera.

Q: 2. Will this fit a Ricoh GR II?

A: It is only compatible with the GR III version.

Q: 3. Is this designed for digital cameras such as Mirrorless??

A: Yes this filter can be used with a mirrorless camera.

Q: 4. This adapter differs from the Ricoh GA-1 adapter for the GRIII GW-4 wide lens in that it has none of the electronic contacts. How does that affect the connection between GRIII camera body and GW-4 lens?

A: Though there are no electronic contacts in this adapter, it still enables you to use the wide lens attachment for the GRIII without any issues.

Q: 5. Will this adapter hold the GW-4 Wide lens for GRIII?

A: Yes this would fit quite nicely with the GW-4 for the GRIII.

Q: 6. This connector has none of the electronic contacts of the Ricoh GA-1 adapter, so the camera does not recognize when the wide lens is attached?

A: Correct, this does not have any of the electrical contact points like the Ricoh GA-1. However if you are using the RIGW4 this has no contact points so it is just an analog adapter so you would not need electronic contact points to use that wide angle adapter.

Q: 7. Does this work with a Canon EF 50mm f/1.8 STM Lens?

A: Yes, the Nisha 49mm Split Field Filter works with the Canon EF 50mm f/1.8 STM Lens.

Q: 8. Can I use it for Leica Q2 ?

A: The NiSi P49 49mm Filter Holder for Compact Cameras is compatible with the Leica Q2 Digital Camera.

Q: 9. Will this work for tiffen and B+W filters?

A: Unfortunately, the Urth Magnetic Lens Filter Cap (49mm) is not compatible with Tiffen or B+W filters.

Q: 10. Does Nisi adapter allow GRIII camera to recognize GW-4 lens ?

A: Yes the NiSi filter adapter for Ricoh GRIII would allow you to make use of the GW-4 lens.