Before the image generated by the telescope reaches the camera sensor, additional correction is useful:
- Flatteners smooth the slightly curved image from mirror telescopes and Schmidt-Cassegrain optics.
- Coma correctors eliminate a Newtonian telescope’s coma defect
- Reducers are strictly speaking not correctors. They simply shorten the focal length and therefore reduce the required exposure time.
The properties of a reducer are often included in the flatteners and coma correctors, that is, these lenses also change the focal length.
These correctors are not required for purely visual observation, in this case the quality of the eyepiece is more important.
![Omegon Pro Reducer 0.92 Reducer for 85mm and 96 mm f/6 Triplet ED APO](/Produktbilder/normal/75304_7/Omegon-Pro-Reducer-0-92-Reducer-for-85mm-and-96-mm-f-6-Triplet-ED-APO.jpg)
Omegon
Pro Reducer 0.92 Reducer for 85mm and 96 mm f/6 Triplet ED APO
Our price:
RRP:
$ 349.00
$ 299.00
ready for shipping in 24
h
![TS Optics Flattener 1.0x](/Produktbilder/normal/79715_1/TS-Optics-Flattener-1-0x.jpg)
TS Optics
Flattener 1.0x
Our price:
RRP:
$ 179.00
$ 141.00
ready for shipping in 3-7
days
![Omegon Pro Reducer 0.75x for 61/360 Triplet ED APO](/Produktbilder/normal/80068_3/Omegon-Pro-Reducer-0-75x-for-61-360-Triplet-ED-APO.jpg)
Omegon
Pro Reducer 0.75x for 61/360 Triplet ED APO
$ 285.00
ready for shipping in 24
h
![TS Optics Flattener/Reducer 0.92x](/Produktbilder/normal/80270_1/TS-Optics-Flattener-Reducer-0-92x.jpg)
TS Optics
Flattener/Reducer 0.92x
$ 326.00
ready for shipping in 3-7
days
![Askar Reducer 0.7x](/Produktbilder/normal/80300_1/Askar-Reducer-0-7x.jpg)
Askar
Reducer 0.7x
$ 620.00
ready for shipping in 3-7
days
![Tecnosky Variabler Flattener 1.0x M48](/Produktbilder/normal/77955_1/Tecnosky-Variabler-Flattener-1-0x-M48.jpg)
Tecnosky
Variabler Flattener 1.0x M48
$ 206.00
ready for shipping in 1-2
weeks
![Omegon 0.8x pro reducer for 94/517 Triplet ED APO](/Produktbilder/normal/69833_1/Omegon-0-8x-pro-reducer-for-94-517-Triplet-ED-APO.jpg)
Omegon
0.8x pro reducer for 94/517 Triplet ED APO
Our price:
RRP:
$ 529.00
$ 409.00
ready for shipping in 24
h
![William Optics Flat6A III Special Edition FLT91](/Produktbilder/normal/73852_1/William-Optics-Flat6A-III-Special-Edition-FLT91.jpg)
William Optics
Flat6A III Special Edition FLT91
$ 590.00
ready for shipping in 3-5
weeks
![Omegon Reducer 0.7x for 72/400 Quintuplet APO](/Produktbilder/normal/70021_1/Omegon-Reducer-0-7x-for-72-400-Quintuplet-APO.jpg)
Omegon
Reducer 0.7x for 72/400 Quintuplet APO
Our price:
RRP:
$ 389.00
$ 369.00
ready for shipping in 24
h
![Explore Scientific Flattener ED80 & ED102](/Produktbilder/normal/76682_1/Explore-Scientific-Flattener-ED80-ED102.jpg)
Explore Scientific
Flattener ED80 & ED102
$ 196.00
ready for shipping in 1-2
weeks
![TS Optics Korrektor 0,75x](/Produktbilder/normal/74330_1/TS-Optics-Korrektor-0-75x.jpg)
TS Optics
Korrektor 0,75x
Our price:
RRP:
$ 660.00
$ 630.00
ready for shipping in 3-7
days
![Sharpstar Flattener 1.0x](/Produktbilder/normal/80413_1/Sharpstar-Flattener-1-0x.jpg)
Sharpstar
Flattener 1.0x
Our price:
RRP:
$ 351.00
$ 315.00
ready for shipping in 3-7
days
![Artesky Reducer 0.8x 102ED](/Produktbilder/normal/76337_1/Artesky-Reducer-0-8x-102ED.jpg)
Artesky
Reducer 0.8x 102ED
$ 171.00
ready for shipping in 3-5
weeks
![Tecnosky Flattener/Reducer 0,8x für 70 und 72 ED Apo](/Produktbilder/normal/74452_2/Tecnosky-Flattener-Reducer-0-8x-fuer-70-und-72-ED-Apo.jpg)
Tecnosky
Flattener/Reducer 0,8x für 70 und 72 ED Apo
$ 152.00
ready for shipping in 1-2
weeks
![Omegon Pro Reducer 0.75x for 106 f/6.6 Triplet ED APO](/Produktbilder/normal/75303_6/Omegon-Pro-Reducer-0-75x-for-106-f-6-6-Triplet-ED-APO.jpg)
Omegon
Pro Reducer 0.75x for 106 f/6.6 Triplet ED APO
$ 469.00
ready for shipping in 24
h
![TS Optics Flattener 0.75 M63](/Produktbilder/normal/75157_1/TS-Optics-Flattener-0-75-M63.jpg)
TS Optics
Flattener 0.75 M63
$ 436.00
ready for shipping in 3-7
days
![TS Optics Flattener/Reducer 0.92x](/Produktbilder/normal/78167_1/TS-Optics-Flattener-Reducer-0-92x.jpg)
TS Optics
Flattener/Reducer 0.92x
$ 660.00
ready for shipping in 3-7
days
![Omegon Reducer 0.7x for 108/600 Quintuplet APO](/Produktbilder/normal/70022_1/Omegon-Reducer-0-7x-for-108-600-Quintuplet-APO.jpg)
Omegon
Reducer 0.7x for 108/600 Quintuplet APO
Our price:
RRP:
$ 649.00
$ 489.00
ready for shipping in 24
h
![Artesky Reducer 0.8x 80ED](/Produktbilder/normal/76336_1/Artesky-Reducer-0-8x-80ED.jpg)
Artesky
Reducer 0.8x 80ED
$ 171.00
ready for shipping in 3-5
weeks
![Tecnosky Variabler Flattener 1.0x Full Frame](/Produktbilder/normal/76431_2/Tecnosky-Variabler-Flattener-1-0x-Full-Frame.jpg)
Tecnosky
Variabler Flattener 1.0x Full Frame
$ 326.00
ready for shipping in 1-2
weeks
![Tecnosky Flattener/Reducer 0,8x OWL 180 SLD](/Produktbilder/normal/80878_1/Tecnosky-Flattener-Reducer-0-8x-OWL-180-SLD.jpg)
Tecnosky
Flattener/Reducer 0,8x OWL 180 SLD
$ 1,530.00
ready for shipping in 1-2
weeks
![Lunt Solar Systems Flattener/Reducer 0.8x](/Produktbilder/normal/82799_1/Lunt-Solar-Systems-Flattener-Reducer-0-8x.jpg)
Lunt Solar Systems
Flattener/Reducer 0.8x
$ 660.00
ready for shipping in 1-2
weeks
![TS Optics Flattener/Reducer 0.92x](/Produktbilder/normal/81056_1/TS-Optics-Flattener-Reducer-0-92x.jpg)
TS Optics
Flattener/Reducer 0.92x
$ 326.00
ready for shipping in 3-7
days
![Baader Flattener M68](/Produktbilder/normal/83197_1/Baader-Flattener-M68.jpg)
Baader
Flattener M68
$ 800.00
ready for shipping in 1-2
weeks
![APM Riccardi APO-Reducer 0.75x M82](/Produktbilder/normal/61019_1/APM-Riccardi-APO-Reducer-0-75x-M82.jpg)
APM
Riccardi APO-Reducer 0.75x M82
$ 650.00
ready for shipping in 1-2
weeks
![APM Riccardi Flattener M82-M77-Model 1](/Produktbilder/normal/66841_1/APM-Riccardi-Flattener-M82-M77-Model-1.jpg)
APM
Riccardi Flattener M82-M77-Model 1
$ 540.00
ready for shipping in 24
h
![ZWO FF80 Apo 0.76x Full Frame Reducer](/Produktbilder/normal/81112_1/ZWO-FF80-Apo-0-76x-Full-Frame-Reducer.jpg)
ZWO
FF80 Apo 0.76x Full Frame Reducer
$ 326.00
ready for shipping in 3-5
weeks
![TS Optics Flattener/Reducer 0.8x](/Produktbilder/normal/80982_1/TS-Optics-Flattener-Reducer-0-8x.jpg)
TS Optics
Flattener/Reducer 0.8x
$ 278.00
ready for shipping in 3-7
days
![Askar Flattener/Reducer 0.8x](/Produktbilder/normal/80954_1/Askar-Flattener-Reducer-0-8x.jpg)
Askar
Flattener/Reducer 0.8x
$ 490.00
ready for shipping in 3-7
days
![TeleVue Reducer 0.8x NPR](/Produktbilder/normal/78093_3/TeleVue-Reducer-0-8x-NPR.jpg)
TeleVue
Reducer 0.8x NPR
$ 600.00
ready for shipping in 3-5
weeks
![TS Optics Korrektor 0,8x](/Produktbilder/normal/74329_1/TS-Optics-Korrektor-0-8x.jpg)
TS Optics
Korrektor 0,8x
$ 381.00
ready for shipping in 3-7
days
![Lacerta Universal Field Flattener 2"](/Produktbilder/normal/82800_2/Lacerta-Universal-Field-Flattener-2-.jpg)
Lacerta
Universal Field Flattener 2"
$ 239.00
ready for shipping in 1-2
weeks
![TeleVue 0.8x reducer for NP telescope](/Produktbilder/normal/15849_1/TeleVue-0-8x-reducer-for-NP-telescope.jpg)
TeleVue
0.8x reducer for NP telescope
Our price:
RRP:
$ 460.00
$ 446.00
ready for shipping in 3-5
weeks
![Toscanoptics Korrektur-Platte SC 11"](/Produktbilder/normal/76339_1/Toscanoptics-Korrektur-Platte-SC-11-.jpg)
Toscanoptics
Korrektur-Platte SC 11"
$ 1,080.00
ready for shipping in 6-10
weeks
![Toscanoptics Korrektur-Platte SC 14"](/Produktbilder/normal/76339_1/Toscanoptics-Korrektur-Platte-SC-14-.jpg)
Toscanoptics
Korrektur-Platte SC 14"
$ 1,860.00
ready for shipping in 6-10
weeks
![Toscanoptics Korrektur-Platte SC 9"](/Produktbilder/normal/76339_1/Toscanoptics-Korrektur-Platte-SC-9-.jpg)
Toscanoptics
Korrektur-Platte SC 9"
$ 850.00
ready for shipping in 6-10
weeks