This is a used Welch Allyn ophthalmoscope head (head only, handle not included). The handle in the photo is for demonstration purposes only.The ophthalmoscope works fine, however there is very minor scratching near the base. All the standard apertures and filters work as if new.
The cobalt blue filter does have a small dim spot which, however your ability to use the blue filter is not compromised and it will get the job done. It has a few more features than 11710. The item "Welch Allyn 11720 3.5V Standard Ophthalmoscope" is in sale since Wednesday, May 30, 2018.This item is in the category "Business & Industrial\Healthcare, Lab & Life Science\Medical Specialties\Ophthalmology & Optometry\Ophthalmoscopes". The seller is "ianboucher1" and is located in Simi Valley, California. This item can be shipped to United States.