image sharpness - Astro Photography HQ

Optics & Sensors

Backfocus and Spacers: Myths, Facts, and What Actually Matters

Just understanding the truths behind backfocus and spacers can dramatically improve your photography—discover what truly matters to achieve sharper images.

AstroPhotographyHQ Team
August 31, 2025

View Post

Planning & Targets

NASA’s Mars Sample Return Mission Is Dead

NASA has announced the termination of its Mars Sample Return mission, marking a major…

AstroPhotographyHQ Team
September 22, 2026

Vetted

10 Best Astronomy Telescope Accessories in 2026

I compared 10 astronomy telescope accessories, from eyepiece kits to Barlow lenses and…

AstroPhotographyHQ Team
September 22, 2026

Guiding & Tracking

Last Cheater Standing Wins $10,000!

A competitive gaming event crowned the last cheater standing, awarding $10,000. The…

AstroPhotographyHQ Team
September 21, 2026

Vetted

5 Best Teeth Whitening Strips for Sensitive Teeth in 2026

Discover the top teeth whitening strips for sensitive teeth in 2026. Find gentle,…

AstroPhotographyHQ Team
September 21, 2026