Material: Aluminum
Outside Thread: M42X0.75
Inside Thread: RMS
Package Included: 1pc M42 to RMS Adapter Ring only(SLR bayonet adapter and objective lens in the picture are not included.)
Application: This M42 to RMS adapter ring transfers microscope objective RMS thread(Olympus microscope objective lens and some domestic microscope objective lens are RMS thread) into M42 interface. For Leica or Nikon microscope objectives, its objective thread is M25X0.75mm, it is not suitable for M42 to RMS adapter ring. So before you buy, please confirm which objective you are. And then with the M42 to SLR interface(you have to buy this adapter seperately), you can take photos by microscope objective.
By the way, we have SLR bayonet in our store,including Canon and Nikon, if you want to buy, please contact us.
Attention:
1.It can not auto focus, the objective itself is equivalent to a manual lens without aperture, you need to use the M position.
2.The skin cavity can be used, the maximum distance of the microscope objective is 160mm, when you use the skin cavity + SLR interface, the distance must be less than 160mm.
3.After connecting the SLR and moving the camera to focus manually, it is best to have a macro frame to move the shelf to focus.
4.The circle around the objective lens will be a bit faint.
5.Regarding whether the objective lens can be infinitely focused? The microscope objective is focused only at a specific distance. 4X is about 1-1.5cm, 10X,20X are a few millimeters. So the objective lens can not be infinitely focused.
6.It is a time-consuming for microscopic photography with a microscope objective. The biggest advantage is the smaller field of vision and cheap cost equipment.
7. This M42 to RMS Adapter Ring must be used combined with SLR camera adapter, it can not be used individually. If you need SLR bayonet adapter, please contact us. thank you.
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