We have several types of adapters to fit a variety of microscope heads. Easy Large-Sized Focusing Knobs on Both Sides of Focusing Holder.Steel Gears on Focusing Holder. Standard Size Focusing Holder - Will Fit Scope Heads with Diameter of 50mm. Item size: see the 1th picture. 1 x Microscope Table Stand. We ensure all products we sell are 100% brand new. We ensure will handle every message carefully & fix every problem properly. The item "Metal Boom Stereo Microscope Camera Table Stand Holder 50mm Gear Forward Up Down" is in sale since Monday, March 2, 2020. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical/Lab Equipment Attachments & Accessories\Microscope Parts & Accessories\Other Microscope Parts & Accessories". The seller is "honey543" and is located in Shen Zhen. This item can be shipped worldwide.