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<blockquote data-quote="Bengt Nyman" data-source="post: 462473" data-attributes="member: 13692">The Tamron resolves 38 LP/mm at 450mm according to LensTip.The 300mmVR resolves 42.5 LP/mm according to the same source.Add a TC14 to the 300mmVR and you loose approximately 5% for a resolution of approximately 40 LP/mm at 420mm. If you prefer the older 300mmD it scores a resolution of 1149 points compared to 984 points for the new 300mmVR according to LenScore. But you miss out on weight reduction and VR.But remember, the total image quality of a lens and camera is limited by the weakest link. A high quality lens might make quite a difference on a high resolution camera, whereas no lens in the world can lift the image quality beyond the limitations of the camera image sensor, and vice versa.In summary, if you want uncompromised sharpness and image quality a prime lens on a high resolution camera is your best choice.If you prefer convenience there are many crop factor cameras with fixed or zoom lenses to choose from.</blockquote>

[QUOTE="Bengt Nyman, post: 462473, member: 13692"] The Tamron resolves [B]38 LP/mm[/B] at 450mm according to LensTip. The 300mmVR resolves [B]42.5 LP/mm [/B]according to the same source. Add a TC14 to the 300mmVR and you loose approximately 5% for a resolution of approximately [B]40 LP/mm[/B] at 420mm. If you prefer the older 300mmD it scores a resolution of [B]1[/B][B]149[/B] points compared to [B]984 [/B]points for the new 300mmVR according to LenScore. But you miss out on weight reduction and VR. But remember, the total image quality of a lens and camera is limited by the weakest link. A high quality lens might make quite a difference on a high resolution camera, whereas no lens in the world can lift the image quality beyond the limitations of the camera image sensor, and vice versa. In summary, if you want uncompromised sharpness and image quality a prime lens on a high resolution camera is your best choice. If you prefer convenience there are many crop factor cameras with fixed or zoom lenses to choose from. [/QUOTE]

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