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Binoculars & Spotting Scopes
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Pentax
ED models - how do they compete ?
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<blockquote data-quote="OwenM" data-source="post: 1303798" data-attributes="member: 63408"><p>I've been playing with some of those Pentax PCF WP 7x50s that are on clearance for $50, and while their resolution in the center of the field is pretty pleasing, and there is less CA than with my 8x32 ED, glare and a bit of internal reflection are still evident. While not doubting that CA is part of the issue, I think that is only part of the story.</p><p>I live on a ridge that parallels the sun's path across the sky, with direct sunlight throughout the day. This time of year, there is serious glare to the east first thing in the morning, to the west in late evening, and practically everywhere in between those times. It's noticeable just looking at foliage in my back yard ~30 yards from my deck. </p><p>In the morning, a series of ridges perpendicular to mine(where I watch hawks) is backdropped by the rising sun, and late in the day, the neighbor on the other sides yard(where a number of bird houses, feeders, and a garden attract a variety of species) is by the setting sun. Each of those perpendicular ridges to the east is outlined by waves of mirage, the entire scene saturated with glare(sometimes I can't even look east at all with the naked eye), and on really bad haze days(through the 12.5x) each ridge might feature its own swath of readily visible CA.</p><p>The good news is that I can take two steps out onto my deck, watch several hawks, make a half-turn and watch a couple of rabbits or woodpeckers, make another half-turn and sometimes have half a dozen different birds in the FOV at the same time.</p><p>The bad news is that the viewing conditions can be pretty challenging. </p><p></p><p></p><p>For the 8x32 ED subject, I replaced the strap with the "compact" model from Vortex that is sold with the Hurricane 28mm models, after deciding that the Op/Tech Classic that I put on my SP is too wide and bulky. The Vortex strap sits more naturally on my neck than the Op/Tech, and offers better comfort than the plain one Pentax includes with their binoculars. I would call it a bare minimum strap for the 23.5oz. 8x32, but I like it.</p></blockquote><p></p>
[QUOTE="OwenM, post: 1303798, member: 63408"] I've been playing with some of those Pentax PCF WP 7x50s that are on clearance for $50, and while their resolution in the center of the field is pretty pleasing, and there is less CA than with my 8x32 ED, glare and a bit of internal reflection are still evident. While not doubting that CA is part of the issue, I think that is only part of the story. I live on a ridge that parallels the sun's path across the sky, with direct sunlight throughout the day. This time of year, there is serious glare to the east first thing in the morning, to the west in late evening, and practically everywhere in between those times. It's noticeable just looking at foliage in my back yard ~30 yards from my deck. In the morning, a series of ridges perpendicular to mine(where I watch hawks) is backdropped by the rising sun, and late in the day, the neighbor on the other sides yard(where a number of bird houses, feeders, and a garden attract a variety of species) is by the setting sun. Each of those perpendicular ridges to the east is outlined by waves of mirage, the entire scene saturated with glare(sometimes I can't even look east at all with the naked eye), and on really bad haze days(through the 12.5x) each ridge might feature its own swath of readily visible CA. The good news is that I can take two steps out onto my deck, watch several hawks, make a half-turn and watch a couple of rabbits or woodpeckers, make another half-turn and sometimes have half a dozen different birds in the FOV at the same time. The bad news is that the viewing conditions can be pretty challenging. For the 8x32 ED subject, I replaced the strap with the "compact" model from Vortex that is sold with the Hurricane 28mm models, after deciding that the Op/Tech Classic that I put on my SP is too wide and bulky. The Vortex strap sits more naturally on my neck than the Op/Tech, and offers better comfort than the plain one Pentax includes with their binoculars. I would call it a bare minimum strap for the 23.5oz. 8x32, but I like it. [/QUOTE]
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ED models - how do they compete ?
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