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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Vortex viper pst or nightforce?
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<blockquote data-quote="bruce_ventura" data-source="post: 902266" data-attributes="member: 34084"><p>I agree, apples vs oranges, especially since one is FFP and the other is SFP. For hunting scopes, I tend to weight optical performance as high as mechanical performance. Mechanically the scopes are more similar than they are different. Both scopes track well, hold point of aim, and have good warranties. Zoom rings and focus adjustments are smooth. The NXS is a bit heavier, as I recall. Optically, they are quite different, though. </p><p></p><p>The PST offers good features, but the optical design is not in the same class as the NXS. The PST uses a simple doublet objective lens. Resolution starts to degrade at about 25-30 MOA adjustment away from the mechanical zero. The PST has tunneling at the low end of magnification - the field of view stops growing below about 7X, as I recall. Glare is moderately high - the image contrast drops significantly above about about 18X. These are not serious flaws for a target scope. Given the large number of quality scopes in this price range, I would consider other options for a hunting scope. </p><p></p><p>The NXS uses a triplet objective lens, which has better resolution above 30 MOA of adjustment. There is no tunneling and the image contrast is higher at 22X than for the PST at 22X. Between the two, I would choose the NXS for hunting.</p></blockquote><p></p>
[QUOTE="bruce_ventura, post: 902266, member: 34084"] I agree, apples vs oranges, especially since one is FFP and the other is SFP. For hunting scopes, I tend to weight optical performance as high as mechanical performance. Mechanically the scopes are more similar than they are different. Both scopes track well, hold point of aim, and have good warranties. Zoom rings and focus adjustments are smooth. The NXS is a bit heavier, as I recall. Optically, they are quite different, though. The PST offers good features, but the optical design is not in the same class as the NXS. The PST uses a simple doublet objective lens. Resolution starts to degrade at about 25-30 MOA adjustment away from the mechanical zero. The PST has tunneling at the low end of magnification - the field of view stops growing below about 7X, as I recall. Glare is moderately high - the image contrast drops significantly above about about 18X. These are not serious flaws for a target scope. Given the large number of quality scopes in this price range, I would consider other options for a hunting scope. The NXS uses a triplet objective lens, which has better resolution above 30 MOA of adjustment. There is no tunneling and the image contrast is higher at 22X than for the PST at 22X. Between the two, I would choose the NXS for hunting. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Vortex viper pst or nightforce?
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