Topics

Introduction

Astronomy :

Choose optical instrument
Stationing a german mount
Collimation
Turbulence and focus
Filters by visual observation and imaging
Distances and units
Catalogs

Photography :

Photographic triangle
Aperture
Speed
(Auto)focus
Color filters for the Black&White
Analogic photography concepts
Digital photography concepts

 

OBSERVATION AND IMAGERY

Since 1997

Arnaud FIOCRET

New pictures
 

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