Orion Trapezium Cluster
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Orion Trapezium Cluster
Orion Trapezium Cluster
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Canon 10x42 IS L for astro? - Discussions - Binoculars

Canon 10x42 IS L for astro? - Discussions - Binoculars | Orion Trapezium Cluster | Scoop.it
Page 1 of 2 - Canon 10x42 IS L for astro? - posted in Discussions - Binoculars: Anyone jumped in with both feet and tried these out? Ive read the Sky@Night review last month and they rated the 15x50 ever so slightly higher...
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Understanding Binocular Exit Pupils | Gary Seronik.com

Understanding Binocular Exit Pupils | Gary Seronik.com | Orion Trapezium Cluster | Scoop.it
ant's insight:

As Tele Vue founder Al Nagler summarized in his May 1991 article in Sky & Telescope, “The bottom line for low power is to frame the subject. In fact, the best view occurs with the highest power that comfortably includes the target object . . . higher powers darken the background sky, reveal fainter stars, and show more detail.”

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Comparing GO22x85, WO22x70, Tak22x60

ant's insight:

Look here at the WO22x70 and the Tak22x60. By the standard basic discussion of exit pupil, you would be lead to believe the WO22x70 will be brighter. But the far greater percent illumination of the Tak equalizes the light delivered into the exit pupil. So, here's a case where we have equal power binoculars, the WO22x70 has a 3.3mm exit pupil and the Tak22x60 has a 2.7mm exit pupil, and yet the amount of light delivered to the exit pupil is equal. It's all very much dependant on illumination.

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Recensioni, test e impressioni varie sui prodotti per l'astronomia venduti e supportati da Skypoint Srl

Recensioni, test e impressioni varie sui prodotti per l'astronomia venduti e supportati da Skypoint Srl | Orion Trapezium Cluster | Scoop.it
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M 31 con luna gibbosa, centro città, Canon 10x30IS - Coelestis - Il Forum Italiano di Astronomia

M 31 con luna gibbosa, centro città, Canon 10x30IS Osservazioni del Profondo Cielo
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Promising new Mac RAW app for Fuji X Trans - The GetDPI Photography Forums

Promising new Mac RAW app for Fuji X Trans - The GetDPI Photography Forums | Orion Trapezium Cluster | Scoop.it
I'm sure a lot of you know of Sandy McGuffog ( sandymc on GetDPI), the author of CornerFix and PhotoRAW for iOS. Sandy has also blogged in detail
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Torretta binoculare - Oculari e Dobson

Ipotizzando di acquistare una torretta binoculare, la mia mente malata si é fissata su due ideali candidate: la Bino Vue 2x e la Denk II super
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CPC 800 GPS (XLT) vs. CPC Deluxe 800 HD - Coelestis - Il Forum Italiano di Astronomia

CPC 800 GPS (XLT) vs. CPC Deluxe 800 HD Telescopi e Montature
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