OPT Telescopes
OPT - The Telescope Authority since 1947. With clients ranging from amateur astronomers to NASA, JPL, and more, OPT is the largest telescope retailer in the world.
Oceanside Photo & Telescope, also known as OPT, has the expertise and the drive to help you succeed in your astronomy and astrophotography goals. We carry all equipment from any brand you're looking for to understand and engage with the universe in a tangible way. We are and will continue to be the primary source of information and supplies in the industry.
From professional institutions to amateurs just getting started, you'll be treated with the utmost respect and service you deserve. After all, each of us is part of the OPTeam no matter where in the world we reside. We are the Telescope Authority and we want you to be, too.

The ZWO ASIAIR Plus is Here!

Radian 61 Rundown

Top 10 Southern Hemisphere Winter Targets (w/Free Data!)

Top 15 Summer Targets

Is the ZWO ASI183 the most well rounded camera!?

Can The ASI174mm Do It All!?!?

Understanding Camera Specs

Building An Astro Rig

OPT & Astrobackyard Giveaway!!!

Best Accessories for Galaxy Season (w/FREE DATA!)

Top 5 Cameras for Galaxy Season!

Top 5 Galaxy Season Telescopes

The Most Revolutionary Filter Ever Created!

Top 15 Spring Targets (w/Free Data!)

6 Easy Ways to Stretch Your Astro Image

Meet the OPTeam: Mack Murdoc (@mackmurdoc)

How to MASTER Basic Star Trails!!

Lunar Photography Basics

ASI1600 vs ASI2600: Is it worth the UPGRADE?

Best Astro Events of 2021

Top 15 Winter Objects!!!

OPT AFFILIATE GIVEAWAY!!! (Feat. Galactic Hunter)

OPTeam Spotlight: Galactic Hunter!

Why is this camera so popular!? (ZWO ASI1600mm Pro!)

Monochrome vs Color Cameras

OPT Bloopers 2020

DSLRs Vs Dedicated Astro Cameras

The Sky-Watcher EQ6-R Pro EQ Mount

The Brand New Primaluce Eagle 4 Pro!

This is the Radian Carbon Fiber Tripod!