AC-RMS-C
Item style: Objective Lens Adapter Ring
Inner Thread: RMS M20*0.705 (fit RMS microscope objective lens)
Outer Thread: C-Mount M25*0.705 (fit C-mount industrial camera)

AD-M42-RMS
Material: Aluminum
Outer Thread: M42x0.75
Inner Thread: RMS

AD-M25-RMS
Material: Metal
Product Type: outer thread M25X0.75 inner thread RMS, or outer thread RMS inner thread M25X0.75

AD15.2-20.2

Material: metal
Female Thread: 20.2 mm
Male Thread: 15.2 mm

Attention:

Only the adapter included, NOT including the objective and other items.
Note:
1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
2. Please allow slight manual measurement deviation for the data.