Many a telescope owner, after gazing at the sky for a while, wants more; wants to share what she or he is seeing. There are several ways to achieve this. The most obvious is shooting through the telescope eyepiece with a small camera or cell phone.…
The Crayford telescope focuser design – developed in 1971 by John Wall and named after the Crayford Manor House astronomical society – has a number of important advantages over rack-and pinion and can be home built out of wood by almost anybody with a bit of patience and the right tools at hand. I designed this focuser specifically to carry the weight of a Nikon D7100 camera on prime focus (± 800 gr), which is considerably heavier than even the largest eyepieces. So far, it is holding up admirably.
With the D700 now being fazed-out, semi-pros and advanced amateurs are left with two full-frame cameras to choose from in Nikon’s mid-range price bracket, the D800E and D800 costing $ 3.300 and $ 3.000 respectively, while the D600 will set you back $ 2.100, a premium of $ 400 over the aging D300S APS-C camera. Even in the absence of independent tests of the D600, it is interesting to compare it against the D800, to figure out how much more camera $ 900 buys us, and ask ourselves if it is worth spending the roughly 50% extra.
It's amazing how everything that the Yahoo boys try ends up dead in the water, eventually. When they started out, they ended up killing all my favorite photo-sharing websites, like Web Aperture and Harphampix, by sheer over representation. Now they are on the same down roads as their predecessors, I'm afraid... The people who u…
Today (05-04-2011), Nikon launched the new D5100, which replaces the D5000.Among its most interesting specs are the "swing-out" 3 in. 921 K-dot monitor, 16,2 Mp. CMOS sensor, standard ISO from 100 - 6.400 (extendible to 25.600) and 1080p full-HD movie mode with continuous AF.
I thought it could not get any worse after testing Capture NX2 and View NX1.5 a while ago, but I was wrong. NX2 is worse, at least from where I am standing. So much worse that I have not been able to thoroughly test it, not on Windows XP Pro x64 nor on a "standard" XP Pro 32 system.
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