This document describes a "Nun's Knickers" donut adaptor ring that fits into 105mm matte boxes. The elasticated fabric ring stretches over lenses to completely prevent light leaks. It provides a snug fit for donut rings, is made of tough and flexible materials, and is lightweight and easy to install. The "Nun's Knickers" adaptor ring helps photographers using 35mm lenses and adaptors with wide matte boxes to avoid light leaks.

1. GARD-NK
Universal “Nun’s Knickers”
Donut Adaptor Ring
“Nun’s Knickers” is an industry name
given to this flexible donut adaptor ring.
Fitting snugly into the back clamp ring of
a Ø105mm matte box, the elasticated
fabric can be stretched over your lens to
completely prevent light leaks.
“Anybody buying the Genus Wide Mattebox to use
with their 35mm Adaptors and lenses will
absolutely benefit from using the Nun's Knickers!”
Adam Chin Sakoonserksadee
Photographer and Designer
http://www.aschin.com

2. Features Specifications
• Snug Fit for Donut Ring Size (Diameter) : 105mm
• Tough Fabric Sleeve
• Flexible Material for Easy Handling Weight : 40 gms
• Elasticated for Use with Different Lenses
• Prevents Light Leaks Main Body : Delrin (adaptor ring)
• Easy to Install Construction Polyester/Nylon Mix (fabric ring)
• Lightweight and Compact
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