Celestia Crash Tutorial

Open source 3D astronomy program. Uses real photos on top of 3D models. It has a huge database of stars (with distance, size and temperature data) and even galaxies!. People of the world:dowload it Zoom Tilt camera Change zoom Orbits and Labels (B Stars  P Planets M Moons E Galaxies) Grid ; Constellations / Enter, type,…

20 things to do in Google Earth

Seach location Hide or display names and labels. Hide the sidepanel Zoom in and out Sift camera angle Mountains! 3D Models of Buildings, including: Camera position and angle fine tuning (shift drag VS ctrl drag) Light! Underwater terrain La Palma, Fogo, Islas Aukland, Fiordos, Sitka, el Himalaya, Siberia. Fly Overlays! KML & KMZ Paleogeográfico, densidad…

Manuales de Fotografía Antiguos

Algunos manuales antiguos que compré en Fotocasión y que he escaneado (el manual está entero en el link). “Enfoque y Exposicion” de Hans Windish “Retratos en Color” de George Wells “Las Cámaras miniatura” de Percy W Harris

Hyperfocal distance graph – Distancia Hiperfocal

How close to focus and still have it all in focus.   Hyperfocal distance graph, originally uploaded by Mr.FoxTalbot. 1) If we focus too close the distant part of the image will not be in focus 2) If we focus too far away we are “wasting” some dept of field and giving up focus in…