Posts Tagged: sensor tilt

Your Cameras and Lenses are Crooked and How to Adjust Them

Plus a bunch of tidbits about some of the challenges in making astro-landscape photographs

Contents
TLDR Preface
Introduction
Choosing lenses for astrophotography
Establishing some standards
Your camera’s sensor is crooked
Adjusting the camera

IBIS Variation
Adjusting the lenses
Yet more alignment pitfalls
Possibly another method
Conclusions

TLDR Preface

Photograph of Milky Way Core in 2017

Silver River Shimmers, 2017
Photograph notes: This image is a composite of 4 vertical frames stitched for the sky and another 4 vertical frames stitched for the land for a total of 93.8 million pixels, using a Sony a7R II at ISO 800 and Canon EF 35mm f/1.4L II USM. Each of the sky frames was stacked and averaged from nine 32-second exposures at f/2.8. The land frames were stacked and averaged from four 32-second exposures at f/4 made 23 mins later at predawn to avoid shadows from the sun. 52 exposures were used in all. The sky exposures were tracked with a Sky-Watcher Star Adventurer.

Continue Reading…