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ASI2600MM vs ASI6200MM vs ASI461MM: Sensor Sizes
Sunday, August 2, 2026 by Richard Harris
There is a surprising amount of confusion surrounding astronomical camera sensor sizes. I regularly hear one group argue that full frame is automatically better, while another insists that larger sensors are basically identical to smaller ones except for the amount of sky they capture. Neither posit...
Optolong L2 Dual Combo Filters Review
Thursday, July 30, 2026 by Jim Thompson
Optolong's multi-narrowband (MNB) filter is called the L-Synergy. It has a 7nm wide pass band at O-III and another at S-II. When paired with their existing L-eXtreme filter and a one-shot colour (OSC) camera, one is able to produce nebula images using the Sulphur-Hydrogen-Oxygen (SHO...
DWARFLAB Dwarf Mini Smart Telescope Review: Real World Testing
Monday, July 13, 2026 by Trey Abbe
Mid to late February in Missouri has a way of reminding you that winter is still in charge. The air is sharp. The sky is clear. And if you are willing to stand outside long enough, the stars can be worth the cold. I’ve always enjoyed looking up at the night sky, but until recently that was ...
Takahashi FSQ-106EDX4 Review: Still the King of Refractors
Friday, June 19, 2026 by Richard Harris
I have owned and used a lot of telescopes over the decades. Some were good on paper but annoying in real life. Others were easy to live with but left a little performance on the table. The Takahashi FSQ-106EDX4 is the rare one that feels like it was designed by people who actually image, and then ke...