Opteka 37mm 0.2x HD vortex fisheye unboxing and test
(Read update at bottom) I purchased this fisheye from Opteka.com, it arrived in about 6 business days(Standard shipping). I am happy with the lens ...
Opteka 0.45x Wide Angle & 2.2x Telephoto HD² Pro Lens Set for Canon PowerShot A570 A590 IS Digital Camera
Since it fits right over your camera's existing lens system, a wide-angle and telephoto converter affects the full zoom range of your camera's lens. A wide-angle converter increases your angle of view - scenes include more of the landscape, groups include more people, and interiors show more of the room. 45x wide-angle converter DOUBLES your angle of view, allowing you to get twice as much in the picture (AND your telephoto setting also becomes wider. By eliminating flare and ghosting, the ugly cousins of reflection and refraction, before they get to your camera's original lens system, your camera gets a much cleaner image to digitize. Plus, an Opteka converter allows you to use a more optimal part of your original lens system, resulting An Opteka conversion lens can actually improve the image that your digital camera receives, and it's about the only accessory that can....



