KK-N25A
AutoFocus Extension tube set for Nikon (25mm)
Auto focus compatible for D300 / D800 / D90 and above models
Auto focus NOT compatible for D3100 / D3200 / D5200 and below models
Auto focus compatible for all Nikon Lenses
Extension tubes are designed to enable a lens to focus closer than its normal set minimum focusing distance.
Getting closer has the effect of magnifying your subject (making it appear larger in the viewfinder and in your pictures).
They are exceptionally useful for macro photography, enabling you to convert almost any lens into a macro lens at a fraction of the cost while maintaining its original optical quality.
What is Extension Tube?
Using an extension tube to turn an ordinary lens into a macro lens
Ordinary lenses can normally focus to infinity, but when you pair a lens and an extension tube, the maximum focusing distance becomes limited. The extension tube enables you to get in closer to a subject but also limits how far a subject can be from the lens.
Sample Pictures:
