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Astro Photography HQ
  • Vetted
  • Imaging Basics
    • Planning & Targets
    • Power & Dew
    • Filters & Light Pollution
    • Optics & Sensors
  • Guiding & Tracking
    • Processing & Data
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Optics & Sensors

45 posts
  • Optics & Sensors

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

backfocus spacers myths
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
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  • Optics & Sensors

Coma and Field Curvature Explained: Calculations You Can’T Skip

optical aberration calculation techniques
Just understanding coma and field curvature calculations unlocks sharper images—discover how to predict and correct these distortions effectively.
  • AstroPhotographyHQ Team
  • August 30, 2025
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  • Optics & Sensors

Refractor Vs Reflector Pros and Cons: Do This, Not That

telescope types comparison
Probing the pros and cons of refractors versus reflectors reveals crucial insights that can dramatically impact your stargazing choices—discover which telescope suits your needs best.
  • AstroPhotographyHQ Team
  • August 29, 2025
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  • Optics & Sensors

Backfocus and Spacers FAQ: What Pros Wish You Knew

camera setup and adjustments
A comprehensive guide to backfocus and spacers reveals expert tips that can transform your photography—discover what professionals wish you knew.
  • AstroPhotographyHQ Team
  • August 28, 2025
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  • Optics & Sensors

Avoid These 9 Mistakes in Backfocus and Spacers Maintenance

backfocus spacer maintenance tips
The key to flawless backfocus and spacer maintenance lies in avoiding common pitfalls—discover essential tips to keep your system precise and reliable.
  • AstroPhotographyHQ Team
  • August 24, 2025
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clean 12v power setup
  • Power & Dew

Power Distribution 101: Clean 12V Layout for Multi-Device Rigs

Optimize your multi-device rig with our Power Distribution 101 guide to achieve a…
  • AstroPhotographyHQ Team
  • April 15, 2026
top monitor calibrators list
  • Vetted

11 Best Monitor Calibrators for Photographers in 2026

Optimize your photography workflow with the 11 best monitor calibrators of 2026, and…
  • AstroPhotographyHQ Team
  • April 15, 2026
top sii filters for astrophotography
  • Vetted

14 Best SII Filters for Astrophotography in 2026

What are the top 14 SII filters for astrophotography in 2026, and how can they…
  • AstroPhotographyHQ Team
  • April 15, 2026
top triplet refractors 2026
  • Vetted

14 Best Triplet Refractors for Astrophotography in 2026

Merging high-quality optics with advanced features, these 14 best triplet refractors…
  • AstroPhotographyHQ Team
  • April 15, 2026
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