Compatible with the Canon XL-1/XL-2, XL-H1 20X/16X zoom Panasonic AG-HVX200 (needs RA7282 adapter) Sony HDR-FX1/HVR-Z1 and other High Vision Cameras, in general (some may need adapter). Especially developed for using with a large aperture taking lens of High Vision camera, extending the focal length 1.8 times. Brings a distant subject up very close in maintaining the original superb image quality. The HPD-9000EX lens is originally designed in a high resolution formula getting an amazing 280 L/mm resolution power at center. It perfectly suits a high vision camera. The lens comes with an originally made Lens Hood (which considerably eliminates a refraction effect from stray light) and the lens case. These are packed with the lens in the carton together. With the HDP-9000EX lens attached, there will be no influence on the F number of the master lens. The lens has a mounting thread of 72mm, and with an adapter ring of 77mm or 82mm, which are sold separately, the lens can be attached on the suitable camera lens. With HDP-9000EX lens on, there will be a darkening at corners (vignetting) when the camera is zoomed towards wide angle side, though the starting point of darkening may vary depending on the camera in use. For example, with Sony HDR-FX1/HVR-Z1 it does not occur between 6x and 12x zoom area, and with Canon XL-1/XL-2, XL-H1 20x zoom it will be between 5 to 20x. The "vignetting" means the darkened corners on the picture, and it m