Re: Official: Sony A7 and A7r Fullframe Mirrorless
hiepphotog wrote: RustyBug wrote:
17mm or 24mm is not normal or telephoto by any stretch. That and we\'re talking FF, not APS-C. Having a rear element set farther back from the sensor will yield a different angle than one set closer.
Rusty, I think you misunderstood me. What I meant is that as the rear element sits further away from the sensor (just like the normal and telephoto rangefinder lens), the incident angle would be more likely perpendicular to the sensor than if it sit too close to the sensor. That\'s why I said most of the color cast, corner smearing issues happen in small WA rangefinder lenses, and not the big SLR WA lenses. So even if the TS lens performs well on the 7R, it would not be an indicator of the WA RF performance.
Gotcha ... yes, I misunderstood your intent. Mine was that final output of WA T/S glass with Sony\'s new sensor approach could match up nicely. +1 @ rangefinder lenses are still going to be steep angle challenged ... we\'ll see how much the revised sensor offsets those steep angles issues (I\'m not holding my breath just yet for legacy UWA glass to be fully resolved) in legacy vs. future development glass.
I suspect that glass designed to project in conjunction with the offset may help. Not exactly a curved sensor to yield equi-distance, but it\'s at least thinking about the angle of projection, if not the distance ... diggin\' the trig.
Re: Official: Sony A7 and A7r Fullframe Mirrorless
hiepphotog wrote: RustyBug wrote:
17mm or 24mm is not normal or telephoto by any stretch. That and we\'re talking FF, not APS-C. Having a rear element set farther back from the sensor will yield a different angle than one set closer.
Rusty, I think you misunderstood me. What I meant is that as the rear element sits further away from the sensor (just like the normal and telephoto rangefinder lens), the incident angle would be more likely perpendicular to the sensor than if it sit too close to the sensor. That\'s why I said most of the color cast, corner smearing issues happen in small WA rangefinder lenses, and not the big SLR WA lenses. So even if the TS lens performs well on the 7R, it would not be an indicator of the WA RF performance.
Gotcha ... yes, I misunderstood your intent. Mine was that final output of WA T/S glass with Sony\'s new sensor approach could match up nicely. +1 @ rangefinder lenses are still going to be steep angle challenged ... we\'ll see how much the revised sensor offsets those steep angles issues (I\'m not holding my breath just yet for legacy UWA glass to be fully resolved) in legacy vs. future development glass.
Oct 16, 2013 at 04:51 PM
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