Manufactured, coated, polished and mounted exclusively for us in limited quantity by Hoya Corporation in Japan. Designed for infrared enabled digital SLRs, this filter transmits infrared light above 1000 nanometers while blocking all visible light. See the transmission chart below. This professional-grade filter is made of 2.42 mm thick high quality Hoya optical glass and has Hoya's Infrared Optimized Anti-Reflective Coating applied to both the front and back filter surfaces which increases the quality of the resulting infrared image. Each filter is packaged in a protective plastic filter case. The RM100 comes in a 49mm standard thread size. All of the photos on this site were shot with the the RM100. 

Here are two photos of the same model. The one on the left was taken with the RM100 filter, and the one on the right is the same model in color. Note how the one on the right highlights shape and form,  and detail moves to the background. 

This unique book provides an in in-depth look at digital infrared photography that will interest you in looking into a world that truly cannot be seen by the unaided eye. In addition to insightful background on the principles and techniques of digital infrared, this book includes a collection of over 160 high resolution infrared photographs from California, Hawaii, Illinois and Tokyo, Japan. 166 pages. Each book is brand new and will arrive shrink-wrapped.