Calculations
Focal Reducer 0.5x 1.25" – Astronz
Agena's Guide to Focal Reducers
Orion 0.8x Focal Reducer for Refractors - Bintel
Thiery Legault - How to adjust the focal length ?
Frustrations with focal reducer - Experienced Deep Sky Imaging - Cloudy Nights
Agena's Guide to Focal Reducers
Agena's Guide to Focal Reducers
Mike 🔭 Rector on X: "Found a nice calculator to calculate FOV of your camera with and without a focal reducer: https://t.co/KxUdGb11nj should be able to fit the Pleiades in my FOV
Kipon medium format focal reducer explained | Gafpa Gear
Celestron Reducer/Corrector f/6.3 for Schmidt Casssegrain Telescopes
Focal Reducer 0.5x 1.25" – Astronz
Orion 0.8x Focal Reducer for Refractors - Bintel
Measured focal length of 6.3 Meade Reducer 210mm - Meade Computerized Telescopes - Cloudy Nights
focal reducer spacing diagram - Imaging - Discussion - Stargazers Lounge
Bresser | Vixen 0.71x Focal Reducer for VC200L | Expand Your Horizon
Agena's Guide to Focal Reducers
CropFactorPro: Lens Calculator by Vladislav Zhirnov
Position of Focal Reducer - Beginning Deep Sky Imaging - Cloudy Nights
Mike 🔭 Rector on X: "Found a nice calculator to calculate FOV of your camera with and without a focal reducer: https://t.co/KxUdGb11nj should be able to fit the Pleiades in my FOV
How to Set the Back Focus for Your Telescope (Guide) | OPT Telescopes
Bresser UK | EXPLORE SCIENTIFIC 3" 0.7x Reducer/corrector | Call 01342 837 098 for advice and sales.
Bresser | Vixen Focal Reducer for VSD100 F3.8 | Expand Your Horizon
Telescope, CCD and Eyepiece Calculator - Deep Sky Watch
CropFactorPro: Lens Calculator by Vladislav Zhirnov
Agena's Guide to Focal Reducers
Focal Reducer for my Telescope - Beginners Forum (No Astrophotography) - Cloudy Nights
Crop Factor Calculator
SVBONY Reducer for Telescope 1.25 inches 0.5X Focal Reducer with C-Mount Adapter to CCD Camera for Telescope Eyepiece Photography and Observing : Amazon.ca: Electronics
