05641 Superwide 2-Inch Prime Focus Adapter for Nikon Cameras, Black

Optimize your DSLR astrophotography setup and take full advantage of full-frame sensors with this handy adapter The super wide 2" prime focus adapter provides the widest possible clear aperture to minimize vignetting - darkening around the edges of the image sensor - in astrophoto exposures even when using cameras with large full frame sensors Nearly 10mm wider than standard t-adapters and t-rings the super wide 2" prime focus adapter boasts a clear aperture of 47 4mm for great DSLR imaging performance Consisting of a 2" t-adapter with an integrated Nikon F-mount bayonet this useful prime focus adapter allows secure attachment of any Nikon F-mount DSLR camera to a 2" telescope focuser Unlike standard t-adapters with 42mm t-threads and often an even narrower clear aperture the super wide 2" prime focus adapter doesn't constrict the light path to the camera meaning APS-C and full-frame cameras can be used to their full potential Its unique tapered barrel provides an extra-secure connection to keep the adapter and attached camera from detaching from a telescope should the focuser collar Thumbscrews become loose Made of machined Black anodized aluminum the super wide 2" prime focus adapter features internal glare threads and a flat Black finish to help reduce reflections for excellent image contrast Adds only 10mm of optical length to astrophotography setups when installed and weighs just 1 4 ounces Threaded for use with 2" filters