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  1. Swissboy

    Pentax 6.5x21 and 8.5x21 differences

    I own a 6.5x model, having bought it on the premises that it provides a brighter picture. However, I have now bought a 8.5x for my son. This has provided the opportunity for some direct comparisons. Over all, I think the 6.5x is more suitable if one uses it often for very close objects. Shake...
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