Astronomy projects, DIY

Optics:
TS130 upgrade, 130 mm f/7 APO telescope: Project: TS130 upgrade First published: 2023

Pentax 645 FA* 300 mm ED f/4 lens: Project: Pentax 645 FA* 300 mm ED f/4 lens First published: 2023

Pentax 645 300 mm ED f/4 lens, can it replace my Canon 300 mm L f/4 as a low vignetting lens ? Project: Pentax 645 300 mm ED f/4 lens First published: 2020

Why don't design your own Newton telescope? Project: Design a Newton telescope First published: 2017

My full frame camera needs a bigger flattener to reduce the vignetting. This time I built my flattener system from a 3" x1 Altair Planostar Flattener. Project: Three Inch Flattener First published: 2017

DIY/3D Flat Field Calibrator project. When processing astro images it's important to have good quality MasterFlats. Project: DIY/3D Flat Field Calibrator First published: 2022

To my new transportable mount I need some shorter focal length lens. A Sigma APO 150mm f2.8 maybe. I did some simple test how the vignetting looks. Project: Sigma APO 150mm f2.8 lens First published: 2017

Analyses of vignetting of my lenses and telescopes: Project: Analyze of vignetting First published: 2019

Astrophotography test of medium format Pentax SMC 67 165 mm f/2.8 lens: Project: Test Pentax 67 lens Can I have any use of an old medium format lens? First published: 2018

Sigma APO 150 mm f/2.8 vs Pentax SMC 67 165 mm f/2.8: Project: Test of vignetting Can I have any use of an old medium format lens? First published: 2018

Ideas about a high efficient narrow band camera system. Project: High efficient narrow band camera system First published: 2017

Big binocular, 25x100mm. Project: Big binocular First published: 2019

Making a heating band or dew heater for anti dew. Project: Heating band First published: 2017

Go Back to content

Go Back

Advertisement / Annons:

Astronomy projects, DIY

Contents:

Optics: