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Latest Review Posted	Tokina 28-70mm F4 I have this lens in PK mount. It is the RMC version. The major plus point of this lens is its sharpness. Wide open at F/4 it fairly soft and dreamy but still very useable. Stop it down to F/5.6 and it sharpens considerably. Go down another stop to F/8 and it is tack sharp throughout the focal range. Easily as sharp as my SMC Takumar 2/55. There is some aberation at F/4 but again this improves when stopped down. This isn't a lens for creamy bubble bokeh and I wouldn't expect it from a zoom tbh. Saturation is good and contrast is excellent when stopped down. Biggest drawback is handling. It's heavy and large. Also the zoom and aperture ring are very close together. The macro focus doesn't work below 35mm. Overall a cheap, tack sharp quality zoom, if you can overcome the handling problems.

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