This carbon fiber top flag attaches directly to the 4.5.65 Carbon Fiber Clamp-on Matte Box (MB-T12) to provide coverage from light flares. Simply slide it into the notches on the top of the matte box, adjust it to the desired angle, then rotate the two tightening toggles to lock it in.
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NEEWER 2 Pack ND0.9/1.8 Square ND Filter, 4"x5.65" Dual Sided 30 Multi Nano Coated Cinema Neutral Density Filter for Matte Box
Aliexpress UK
Vocas DV 4" Mattebox MKII.
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NEEWER Mini Matte Box Kit with 2X Square 4"x5.65" ND Filter, 1X Filter Tray, 4X Lens Adapter, Carbon Fiber Top Flag
Aliexpress UK
ARRI LMB-2 Clip-On 3x3 Matte Box with 2x Filter Trays. Very modular, so can be used just as a filter holder.
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SmallRig CINE 4 x 5.65" White Mist 1/8 Filter / 1/4 Filter, B270 Glass, Compatible w Matte Box for Cinematic Photo Videography
Aliexpress UK
ARRI LMB-3 Clip-On 4x4 Matte Box with 2x Filter Trays. Originally designed for S35 but 80mm O.D. front lens, so it's perfect for cine-modded photo lenses too (see photos). Very modular, so can be used just as a filter holder.
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TILTA MB-T16-B Mirage Motorized Matte Box with VND Filter Kit | 4x5.65 Filter Frame for DSLR & Mirrorless Cameras, Pro Photograp
Aliexpress UK
Moderate use, recently upgraded so no longer needed.
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NEEWER ND0.3 Square ND Filter, 4"x5.65" Cinema Neutral Density Filter Compatible with Tilta/SmallRig Matte Box HD Optical Glass
Aliexpress UK
We have everything tested and checked before being advertised for sale. We will be responsible for all the loss. With accessories as shown. Note collections MUST be made by cash.
eBay
Freewell Magnetic Blue/Gold Cinemorphic Streak Filter Compatible only with Eiger Matte Box Filter System
Aliexpress UK
Its clamp connector works with adapter rings of various sizes (Φ52-95mm; Φ55-95mm; Φ58-95mm; Φ62-95mm; Φ67-95mm; Φ72-95mm; Φ77-95mm; Φ82-95mm; Φ86-95mm) or attached directly to Φ95mm lens; its adapter ring fits CPL, ND filter and other circular filters of up to Φ92.5mm.
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K&F Concept Square Filter 4"x5.65" Black Mist 1/4 1/8 Blue Streak MCUV ND4 ND32 ND16 ND8/64 Filters For Tilta SmallRig Matte Box
Aliexpress UK
We have everything tested and checked before being advertised for sale. With accessories as shown. We will be responsible for all the loss. Note collections MUST be made by cash.
eBay
Freewell Soft / Hard/ Reverse Edge Gradient GND0.9 Filters Compatible only with Eiger Matte Box Filter System
Aliexpress UK