节约
发表于 2025-3-28 14:38:56
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Champion
发表于 2025-3-28 21:51:11
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勉励
发表于 2025-3-28 23:00:27
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纠缠
发表于 2025-3-29 06:59:52
Inside a CAT, be the perfect telescope for amateurs. Light, compact and with generous aperture, this CAT would be great — if only a way could be found to get it into the hands of users. Johnson, a Californian, was an expert telescope maker, and showed up at various amateur events early in the decade with a beaut
Ornament
发表于 2025-3-29 08:26:04
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aviator
发表于 2025-3-29 11:40:56
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光滑
发表于 2025-3-29 18:35:18
Accessories for your CAT, observing program. Unfortunately, this is not the case. Because of the need to keep the prices of CATs as low as possible, telescope manufacturers have really cut back on included accessories in recent times. Today, the standard SCT doesn’t come with much more than a single eyepiece (often of modes
DEMUR
发表于 2025-3-29 21:32:01
Care and Feeding of a CAT: Alignment, Testing, Maintenance, and Troubleshooting, the stars without some maintenance. The SCT is remarkably trouble-free when compared to other telescope types, but it still needs occasional adjustments. Making sure your telescope stays in good shape requires learning how to identify and deal with problems of an optical, mechanical and electrical-