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CESDewar
GorillAstronomer
Reged: 01/16/05
Posts: 1811
Loc: Morganton, GA, USA
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Moon in the Takahashi Astronomer 22x60's
06/16/08 01:46 AM Attachment (60 downloads)
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After spending 30 minutes working on Hercules 100 (in another thread on this forum), I spent a good part of the evening looking at the moon with my Tak 22x60's. These are just amazing binoculars. They are about as close to being completely color-free as any binoculars I've ever looked through. But it is the contrast and sharpness that never cease to elicit a wow when I look through them..
When the moon is near full, I actually find the views (apart from the terminator) through these binoculars to be more satisfying than views through a telescope. At higher magnifications, the fully lit portion of the moon loses contrast and just looks washed out.
I always enjoy trying to see the smallest feature and tonight in Sinus Iridium, I could clearly see the small crater Laplace A. This crater is only 9km across, but it has a bright rim that stands out well against the darker floor. A crater of that size only subtends 4.8 arc-seconds, so that's more than a respectable catch for binoculars! I took the attached photograph of the region during a prior lunation on my TMB 105/650 and it clearly shows the bright rim.
The larger, nearby craters Helicon and le Verrier (25/20km) were visible too in spite of much lower contrast, but seeing Laplace A pop up was a nice bonus for the evening viewing. I also looked at the moon in my 30x77 binoculars and while I could just barely make out LaPlace A, it was not nearly as clear as it was in the lower-powered Tak's.
I have a bit of a love-hate relationship with the Tak's - the ergonomics of the Miyauchi 30x77's are superior - 45° EP's, integral dew shields, 3x finder as a carrying handle, 2pr. of EP's, etc., but they just don't snap into focus like the Tak's, and the loss of 17mm of aperture almost seems to be made up by the superb contrast of the optics. I'm a stickler for superb optics and so these Tak's are definitely staying in my collection, even if my neck doesn't appreciate the extra craning!
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