Field flattener (sub-aperture corrector)
4. Reducer Flattener for SVX102T - Stellarvue
Takahashi Fsq-85edx F/5.3 Petzval Refracting Telescope Apo Ota- With Flattener - Tqe08541 (spot Sales)) - Telescope & Binoculars - AliExpress
TAKAHASHI - FSQ-85EDX W/ 1.01X FLATTENER TQE08541 - Takahashi - Telescopes, Astrographs, OTA - Store
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?
Astronomical Telescope 1x Field Flattener For Takahashi Fs60 Made In China - Astronomical Accessary - AliExpress
What Does a Field Flattener Do?
TS 2" Field Flattener (TSFLAT2) Review - Member Equipment Reviews - Stargazers Lounge
Sharpstar 2" Field Flattener for most APO Refractors - Camera Concepts & Telescope Solutions
SkyWatcher 0.85x Focal Reducer and Field Flattener for EvoStar 72ED Refractor Telescope - Free Shipping! | High Point Scientific
Telescope Engineering Field Flattener for APO160FL F/7 and APO180F...
Astro-Tech 0.8x reducer/field flattener for f/6 refractors | Astronomics.com
Stellarvue | Field Flattener for 480-700 mm Telescopes and 2" Focuser (SFF6) – Cloud Break Optics
Borg 1.08x DG field flattener 7108: Buy online | Primalucelab.com
What can a field flattener or focal reducer do for my telescope? | BBC Sky at Night Magazine
TS Optics TS Field Flattener 2''
Orion Field Flattener for Short Refractors | OPT Telescopes
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
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
Vixen Optics Field Flattener/Focal Reducer Kit for FL55SS
0.77x Reducer/Flattener for Esprit 150 — Starizona
HoTech 2" SCA Field Flattener with T-Thread for f/5 - f/8 Refractor Telescopes
