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October 22, 2008

ATN Night Jaguar Gen 1 NightVision Binoculars

by @ 4:14 pm. Filed under Night Vision

Item No. 259-23100

Features:

* Total Darkness Tech.: standard
* Magnification: 4x
* Intensifier Tube: High res. 1st Gen
* Detection Range: 250m/y
* Recognition Range: 150m/y

ATN Night Jaguar Gen 1 NightVision Binoculars

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ATN Night Jaguar Gen 1 NightVision BinocularsĀ 

Why is the Deep Sky filter the only nebula filter recommended for photography?

by @ 4:08 pm. Filed under Telescope Accessories, FAQ

Qestion:

Why is the Deep Sky filter the only nebula filter recommended for photography?

Answer:

We recommend the Deep Sky filter because it has the widest band-width among Lumicon’s nebula filters. The wide band-width of the Deep Sky allows for shorter exposure times, which makes for easier astrophotography of deep-sky objects. This is not a recommendation against narrower band-width filters, such as the UHC or OIII, which can be used to produce higher-contrast pictures. These narrower filters are more “challenging,” however, because they require longer exposure times. If you are new to astrophotography–a difficult art–start with a Deep Sky filter. In terms of exposure time required, from shortest to longest, Lumicon’s nebula filters progress as follows: Deep Sky

Lumicon Deep Sky Filters

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Lumicon Deep Sky Filters 2″

Bushnell Binoculars Xtra-Wide 10×25 13-1052

by @ 3:59 pm. Filed under Binoculars

Item No. 403-11030
Manuf. No. Bushnell 13-1052

See it wide open. With a field of view twice as wide as standard binoculars, our Xtra-Wide binoculars dish up double the action. Two cars at opposite ends of the track, the pass being completed as the QB gets crunched, a friend in the front row and the entire cast on stage ? feast your eyes on every ounce of the show. Whether you choose the standard or compact size, you?ll have twice the viewing area and see more of what you came to see.

Bushnell Binoculars Xtra-Wide 10x25 13-1052

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Bushnell Binoculars Xtra-Wide 10×25 13-1052

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