Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: FujiFilm FinePix HS28EXR 16MP 30x Optical Zoom Point and Shoot Digital Camera (Black)
Product description: If you wish to capture quality images and are keen about photography, then the Fuji HS28 EXR 16MP Point-and-Shoot Digital Camera (Black) is the camera that you have been searching for. This digital camera supports high-end features and is equipped with features that will only enhance your experience of taking photos. The advanced photography features include 1/2-inch EXRCMOS image sensor, 30x optical zoom lens, primary color filter allows you to shoot rich images. This digital camera also features CMOS shift type Image Stabilizer which not only provides crystal clear image on ordinary mode but even when the focus is on maximum zoom. This camera also shoots at a speed of 11 fps and one of the special features include the Scene Recognition Auto Mode that recognizes the object that is being shot and is also able to decide the required setting that is necessary for the scene. One of the most enticing features of the Fuji Point-and-Shoot Digital Camera is that you can capture high quality videos that can be viewed on your laptops, computers and even television screen by using a unified HDMI connector. With the aid of the EXR processor this digital camera starts in less than 0.8 seconds and immediately focuses on the target. This allows for continuous shot and reduces the waiting time. The high-speed auto focus also gets to work in almost 0.16 seconds which help to maintain the clarity as well as the sharpness of the image and the shot freezes at 320 fps. You also get to store many images and videos with SD / SDHC / SDXC (UHS-I) memory cards so that you can relive your favorite moments later on. So, invest in the Fuji HS28 EXR 16MP Point-and-Shoot Digital Camera so that you can enjoy photography to the fullest.
Product feature: 16MP,30x optical zoom, 60x digital zoom, 3.0-inch tilting LCD, 3D pictures, 11 fps continuous shooting, full HD recording, The lens sports a manual zoom barrel to make the most of the 30x telephoto optical zoom range, Optional accessories: lens hood, remote release, and compatible TTL, 1/2-inch EXRcmOS with primary color filter
Product brand: Fujifilm
Target attributes: Optical Zoom
Answer: attribute: optical zoom
value: 30x optical zoom
source: product feature
attribute: optical zoom
value: 30x optical zoom
source: product description
attribute: optical zoom
value: 30x optical zoom
source: product title