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This is a basic review of the Sigma 18-200mm f 3.5/6.3 DC (IF) lens (Pentax mount) Lens basics: 18-200mm (11.1x zoom range) Note: This is not the 'OS' (Optical stabilized) version, as Pentax cameras have their own internal stabilizer 'function'. Cost: $249 (Amazon) - OS version is ~$400. Filters: 62mm This lens is a relatively compact 'superzoom' for DSLR cameras, and light weight. This makes for a good replacement to the kit 18-55mm that comes with most entry level DSLR cameras, and a great all around lens for those coming from the point and shoot cameras that can have 10-36x zoom, and are not used to having an SLR with ~3x zoom lens. At 62mm, you'll want to purchase a relatively cheap ($7) lens filter to keep from having the lens getting scratched/dust/etc when outdoors. Pros: - Great amount of range for an SLR - (relatively) light weight for this range - 62mm filters are relatively easy to find - Bargain price - Fairly sharp at at ranges - Excellent for an outdoor, all around lens Cons: - Not the 'fastest' lens - I wouldn't recommend this for dark/distance. Make sure your camera can handle high ISO, or you have a tripod for night shots/indoor - Some CA in high contrast shots outdoors - Lens zoom creep if you're not holding it (there is a lock for this) - AF in low light will 'hunt' - recommended using manual focus. got feedback? by en103 edited by tmpchaos |