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Zomei D90 D3100 D7000 AF bayonet | extension ring | Super Macro | Macro shooting
Macro Extension Tube Ring For NIKON Ai AF DSLR & SLR
It moves the lens farther from the film or digital sensor.
The farther away the lens is; the closer the focus; the greater
This extension tube does not affect image quality as there is no
In comparison, a close up filters are often blamed for degrading
The more tubes you add, the closer the focus and the greater the magnification.
Aperture control is not available if you use a lens which does not allow you to manually adjust the aperture (without an aperture ring).
Three stages; the 1st 2 on the 3rd; can be freely combined
Extension ring is inside the body of a black cylindrical close-up accessory, made of metal. Like the same installation teleconverter lens attached between the body and the use of, close-up in exactly the same principle and bellows, usually 35mm The camera often use up lap into 7mm (号 1), 14mm (the 2nd) and 28mm (the 3rd) three; they can be used alone or in combination; and the ability to compose seven different lengths; such as: Three connected circles combination, for the proportional composition as the standard 50mm lens is 1:1. But the focus range of the lens ring will increase as access is limited, so the combination of shooting up lap, you need to move around the camera or subject distance with the focus, the camera close-up bellows substantially the same effect.