Tiffen 5.65 x 5.65" Neutral Density 0.3 Filter Tiffen ROTARECTGLASS The lens' optical design includes

The lens' optical design includes features extra-low dispersion glass and one hybrid aspherical elements to minimize chromatic aberrations and limit distortion in order to enable a natural-looking expansive angle of view that is well-suited to both indoor and outdoor scenes

The bottom half may be used independently as a half-case

It comes with a DB-9 to DB-25 adapter for connection to varied serial equipment

which allows it to be used on a crossbar

Tiffen 5.65 x 5.65" Neutral Density 0.3 Filter Tiffen ROTARECTGLASS The lens' optical design includes0. 3 Solid Neutral Density Filter Requires +1 Stop Exposure Increase Darkens Entire Image Allows Reduced Shutter Speed Allows Wider Aperture ColorCore Technology Water White Glass The Tiffen 5. 65 x 5. 65" ND 0. 3 Filter is a solid neutral density filter providing a 1 stop exposure reduction. This 0. 3 density creates a darkening of the entire image, allowing you to photograph with a wider aperture or slower shutter speed than normally required. By