The +2 138mm/49mm Close-Up Donut Diopter from Revar Cine uses high-quality Schott BK7 glass that has an index similar to your lens elements. This unique close-up lens is made from the same high-quality glass as round drop-in close-up lenses, and it can be quickly and easily inserted in a matte box. With a precision center hole, it allows the exact placement of the center hole in your frame when switching strengths. It is useful for quickly getting the right shot with a variety of lenses that have different focal lengths, including large-diameter prime lenses and zoom lenses.

Precision Cut Center Hole    High-Quality Schott BK7 Glass    138mm Extra-Large Filter    Compatible with Most Standard Holders

It includes a precision center hole allowing exact placement of the center hole in your frame when switching strengths.

The 138mm filter allows for the use of wide-angle lenses for maximum compatibility.

They use a high-quality Schott BK7 glass that has an index similar to your lens elements. Manufactured to the highest tolerances, this glass will exceed the performance of other diopters.

+2 allows for incremental close focus adjustment.

It creates a spherical distortion with a clear point of focus.

Compatible with industry-standard holders, including the Bright Tangerine One Tray, ARRI 138mm rear filter holders, and the Revar Cine Double Tray.

Related Questions and Answers

Q: 1. Would this work in the Tilta mb-t12 mattebox?

A: This is a 4 x 5.65" sized filter. It should work in that Matte Box.

Q: 2. If I use these on an EF 50mm f1.8 on a APS crop sensor what would be the effective magnifications?

A: Using the 10x in the Vivitar 49mm Close Up Macro Lens Kit the Canon EF 50mm f/1.8 STM Lens would be magnification of 0.82x. Stacking all of the filters in the kit the lens would have a magnification of around 1.24X.

Q: 3. Does the +3 Diopter fit into the Tilta MB-T12 matte box without getting scratched up?

A: Yes, the Lindsey Optics 4 x 5.65" +3 Diopter Brilliant² Tray Mount Studio Close-Up Lens will fit and work inside the Tilta MB-T12 Matte Box BH #TIMBT12 without getting scratched.

Q: 4. Will this work in the RedRock mattebox?

A: The Brilliant diopters fit in Arri, Bright Tangerine, Chrosziel and Vocas matte boxes. They do not work with RedRock Micro matte boxes.

Q: 5. Is there any way to fit this in the Wood Camera UMB mattebox?

A: Yes, the Lindsey Optics 4 x 5.65" +2 Diopter Brilliant Tray Mount Close-Up Lens should be compatible for use with the Wooden Camera UMB-1 Universal Matte Box.

Q: 6. Will this fit within the Arri MB20 Original Matte Box?

A: If it is a two-stage version of the MB20, it will be compatible.

Q: 7. What is the difference between this diopter and this one listed for $20 less BH #LI4565DIO12 ?

A: The main difference with the two Lindsey Optics 4 x 5.65" diopters is the focus distance supported by each model. With diopters, the strength is in the number. Diopter strength is from 1/2, 1, 2, 3, and 4. They are set up so that you mount the diopter 1 on the lens, place the lens focus to Infinity and the diopter then focuses the lens a 1 meter. Further more 1/2 means it is focused at 2 meters.  BH #LI45651BTS is 1 BH #LI4565DIO12 is 1/2

Q: 8. Hi. Does it work on Tilta mb- t12? Thank you

A: The ARRI Diopter Frame 138mm is only compatible with the LMB-5, 15, 25 and 4x5.

Q: 9. Does the filter fit on redrock 2 stage micro mattebox?

A: Yes it will.

Q: 10. Is this compatible with Tilta MB-T12 matte box?

A: Yes, the Revar Cine 4 x 5.65 138mm Variable ND Kit A with Rota Pola Rota-Tray is compatible with the Tilta MB-T12 Matte Box.