Coupling rings are adapters with a male filter thread on each side.
Camera lens coupling rings.
While not optically perfect you will get soft edges you can get some very good macro shots with this technique.
The lens that is furthest from the camera is mounted in reverse and acts as a powerful and well corrected close up lens.
Fotodiox 52mm reverse mount macro adapter ring for nikon f mount cameras.
They allow you to connect two lenses by their filter mounts.
Made of anodized aluminum.
The trick is to find a macro coupling ring that goes between sizes normally they have the same size threads on each side.
B h forevemmnikf mfr reverse mount 52mm nikf.
A 50 mm lens is 20 dioptres much stronger than normal close up lenses.
Reverses lens for macro photography.
The purpose of a camera lens is to make the image of a subject smaller for example you want to shrink the eiffel tower to 24x36mm which is the size of your captor if you have a standard camera or even smaller if you have a camera like mine.
If you have two different diameter lenses then the combination of a macro coupler and a step up or step down ring will do the job.
If you flip your lens around then it will act as a magnifier.
B h nibr5 mfr 2631.
Most lens mounts in current use are bayonet style in which a lens is attached to the camera body by registering the lens in proper orientation with the camera body then giving a slight twist of about 45 90 to lock the lens in place.
A reversal ring is an inexpensive camera specific device that allows you to mount your lens es on your camera backward.
One end of the ring is the lens mount while the other screws into your lens s filter threads.
The idea is to take a picture of this magnified image.
Nikon br 5 adapter ring 62 52mm for br 2a reversing ring 62mm lenses.
A macro coupling ring has male filter threads on both sides so you can stack one lens onto another facing each other.
Product description macro coupler rings allow you to couple two lenses front end to front end.
The reverse coupling ring makes it possible to attach the two lenses face to face.