USB Fever has released five new products for the iPhone 4. The 180° Fish Eye Lens with Back Cover for iPhone 4G (http://www.usbfever.com/index_eproduct_view.php?products_id=2053) costs US$27.99.
The Wide Angle Lens Back Cover for iPhone 4G (http://www.usbfever.com/index_eproduct_view.php?products_id=2054) is $23.99, the Macro Lens with Back Cover for iPhone 4G (http://www.usbfever.com/index_eproduct_view.php?products_id=2055) costs $20.99, the 8X Telescope with Hard Case for iPhone 4G
(http://www.usbfever.com/index_eproduct_view.php?products_id=2056) goes for $34.99, and the Wide Angle + Fish Eye + 8X Telephoto Lens Combo for iPhone 4G
(http://www.usbfever.com/index_eproduct_view.php?products_id=2057) costs $69.99.