The +0.50 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.

+0.50 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. Will the +1 fit in the Tilta Mirage Matte Box 4x5.65 filter slot?

A: Lindsey Optics 4 x 5.65" +1 Diopter Brilliant Tray Mount Close-Up Lens will fit into the Tilta Mirage 4x5.65 filter slot.

Q: 2. 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: 3. what's in the box?

A: What you get is the diopter mounted in the tray.

Q: 4. 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: 5. Can you use this in the Bright Tangerine Misfit Kick matte box? If so, will this only occupy one tray of space? Thanks.

A: The Brilliant Tray Mount Close-Up Lenses fit directly in 4"x5.65" matte boxes. The +1/4, +1/2 and +1 diopter strengths fit in 1 matte box slot. The +2 strength uses 2 slots in the matte box. The +3 diopter strength uses three matte box slots. The permanently mounted 138mm Close-Up Lenses provide a 5.1 inch clear aperture for use even with large diameter wide angle and zoom lenses.

Q: 6. 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: 7. 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: 8. Would this work inside a Bright Tangerine Misfit 3 stage matte box?

A: This will work in 4 x 5.65" matte boxes that can take three filters. The concave is lens is very thick on a +3 diopter so it needs the space.

Q: 9. Will this work in a Tilta 3 stage matte box?

A: Yes, +3 Diopter Brilliant Tray Mount Close-Up Lens by Lindsey optics has a dimension of 4 x5.65'' which is the correct dimension for the tray compartments in Tilta 3-Stage 4 x 5.65" Carbon Fiber Clip-On Matte Box (114mm Back).

Q: 10. 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.