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Originally Posted by rayone
Did you notice any CA with the 18x50's? Both the 12's and 15's exhibit a little... it's very slight but it present.
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Same for the 18x
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Did you measure the close focus distance?
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I don't take any interest in close focussing with conventional binos - too much eyestrain, my eyeballs need recollimating afterwards! I use 6.5x Pentax Papilios when I'm in the field chasing orchids, fungi, butterflies and other close targets: perfect.
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I don't understand why the 18's are ~ 15% more expensive, when it appears there should be no difference in manufacturing expense.
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I believe the 18x and 15x are physically identical apart from the eyepiece magnification factor - you're right, nothing realistically justifies the surcharge.
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Looking at Jupiter, were you able to discern any bands?
We've still got a couple months before Saturn is visible again... did you happen to look at it with the 18's?
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No Jupiter bands - my aging eyes aren't that good and Saturn just looked like a mis-shapen small yellow blob to me.