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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...
Choosing the right astrophotography camera
Friday, August 15, 2025 by Richard Harris
Astrophotography once relied entirely on film, a method plagued by low sensitivity, challenging exposures, and highly limited post-processing capabilities. The emergence of CCD sensors marked a massive improvement, offering lower noise and enhanced image quality. However, the introduction of CMOS se...
Digital camera modifications by Night Sky Camera
Friday, October 11, 2024 by Richard Harris
Night Sky Camera specializes in providing camera modification services and products designed specifically for astrophotography. Their primary service is modifying digital cameras by removing stock infrared (IR) filters, replacing them with filters better suited for capturing detailed images of celes...
Seestar S50 smart telescope from ZWO
Sunday, April 21, 2024 by Richard Harris
Introducing the Seestar S50, a revolutionary compact all-in-one smart telescope that combines multiple astronomical tools into a lightweight, 2.5kg package. This device integrates a telescope, electrical focuser, astronomical camera, ASIAIR, altazimuth mount, dew heater, and filter wheel, redefining...