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Latest Review Posted Sigma 70-300mm F4-5.6 APO DG Macro
This Sigma lens replaces a Tamron 28-300mm lens that met a tragic end. This was a budget purchase used for $100 CAD ($80 USD). This is a very useful lens with a nice reach (450mm equivalent) when attached to an APS-C body like the K-5/K-3. The 70-300mm is a light weight lens with a nice matte finish. The macro/close focus option is only available in the 200-300mm range and is activate by a switch on the lens body that can be temperamental at times (read "sticky / finicky"). Sharpness is better at the short end of the range 70-150mm. If there is enough light to keep the aperture in the f8 - f11 range, then images are relatively sharp (for the price of the lens). They do not compare to my Tamron 70-200mm f/2.8 but that lens is in a whole different category. There is almost no lens creep on this lens - unlike the Tamron 28-300 which actually has a lens lock to prevent the guaranteed occurrence of lens creep if the lens is tilted below horizontal. The lens hood has sufficient depth to nicely shade the front glass and improve contrast and minimize flare. With a nice light lens body, it makes for a great companion on an all day hike, or a day at the rodeo when you have the camera to your eye for most of the time. Is it the "perfect" lens - No, but definitely great value for the money and when you keep in its "sweet spot" it will produce very acceptable images that you can be proud of. Couple of samples: https// https:...

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