SVBONY SV550 Telescope 80mm Refractor Triplet OTA Apo SV209 1.0x Field Flattener 714559037317 | eBay
Field flattener (sub-aperture corrector)
Amazon.com : SVBONY SV503 Telescope, 70ED F6 Extra Low Dispersion Refractor OTA, SV193 Focal Reducer and Field Flattener, for SV503 70mm F6 ED Refractors : Electronics
What Does a Field Flattener Do?
Sharpstar 0.8x Reducer and Flattener for Full Frame Cameras for Sharpstar 61EDPH / 61EDPHII Telescope
What Does a Field Flattener Do?
SVBONY SV209 1.0x Field Flattener Corrector M63x1 for SV550 80F6 OTA Telescope 714559038505 | eBay
Field flattener (sub-aperture corrector)
Explore Scientific Field Flattener f/5 to f/7
Astro-Tech AT152EDT .72x Reducer Field Flattener | Astronomics.com
Vixen Optics f/5.7 Field Flattener HD Kit for FL55SS ES37252 B&H
What can a field flattener or focal reducer do for my telescope? | BBC Sky at Night Magazine
Explore Scientific ED80-FCD100 Series Air-Spaced Triplet Refractor Tel
Astro-Tech 0.8x reducer/field flattener for f/6 refractors | Astronomics.com
TAKAHASHI - FSQ-85EDX W/ 1.01X FLATTENER TQE08541 - Takahashi - Telescopes, Astrographs, OTA - Store
Amazon.com : SVBONY SV503 Telescope 80ED F7 Telescope, SV193 Focal Reducer 2 Inch 0.8X Field Flattener Telescope Accessory for SV503 80mm F7 ED Telescope : Electronics
Amazon.com : SVBONY SV503 Telescope, 102ED F7 Extra Low Dispersion Achromatic Refractor OTA, SVBONY Focal Reducer, M54X1 Field Flattener, Telescope Accessory for SV503 102mm ED Telescope : Electronics
Field flattener (sub-aperture corrector)
Explore Scientific 3" Field Flattener and .7x Focal Reducer - Camera Concepts & Telescope Solutions
Sharpstar 2" Field Flattener for most APO Refractors - Camera Concepts & Telescope Solutions
