Baader FCCT Filter Changer Camera Tilter for Celestron RASA 8 Telescope & Select QHY Cameras
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Please note: This item comes in a long and weak box that is easily crushed. Baader is looking into redesigning the box for this item but until they do, please understand that the item we ship you is new and functionally perfect, but the item box will not be pristine and will show signs of damage. Unfortunately, all FCCT I and II boxes we've received from Baader are like this.
- Filter changer and Tilter (mechanical image-plane corrector), specially designed for Celestron RASA 8" Astrograph and QHY cameras.
- The Baader FCCT (Filter Changer Camera Tilter) allows the use of filters as well as the image position correction / fine adjustment of camera and filters. Depending on the camera model, you will need one of the following FCCT versions:
- FCCT I (# 2459070) for RASA 8" – suitable for QHY cameras with 77 mm diameter (e.g. QHY 174 / 163 / 183)
- FCCT II (# 2459071) for RASA 8" – suitable for QHY cameras with 90 mm diameter (e.g. QHY 268 / 294)
- The Baader FCCT (Filter Changer Camera Tilter) allows the use of filters as well as the adjustment of camera plus filter to the optical path.
- With the FCCT, a very fast adjustment or finest readjustments are possible - without having to unscrew the camera each time. This makes working with the RASA 8 a pleasure.
- 3D-printed filter sliders are available for the FCCT, which exclusively accommodate unmounted filters with diameters of 31 mm / 36 mm and 2" (w/o cell).
- We offer selected 2" filters specifically for the FCCT in an unmounted variant, but basically all Baader 2" filters will work when removed from the filter cell.
The Baader FCCT was designed exclusively for Celestron's RASA 8 Astrograph and QHY cameras. It is a filter changer with camera adjustment mechanism for covering the largest possible field size that the RASA8 can suppply, enabling sharp image corners and ultimately fast fine corrections to the optical plane. The Baader FCCT (Filter Changer Camera Tilter) allows quick filter exchange as well as very easy correction of field any existing tilt – without having to remove the camera from the RASA 8" each time.
Celestron's most transportable astrograph, the RASA 8" – Rowe-Ackermann Schmidt Astrograph, ccan capture spectacular deep-sky wide-angle images in seconds. This incredibly fast f/2.0 system is the perfect telescope for modern astronomical CMOS color cameras, smaller CCD cameras and mirrorless cameras. What would otherwise require several nights of exposure time can be accomplished with the RASA in a single night – in principle. Until now, the most severe obstacle was to get the stars in each corner of the chip really round and minimized in size. To do this, the camera had to be removed in order to reach the adjustment screws in the front of the Schmidt plate. But whenever the camera is put back in place, unavoidably this will result in a small lateral offset of the mechanical image train, which causes another corner of the image to show slightly distorted stars. This problem is solved by using the FCCT since nothing needs to be disassembled anymore.
Only the RASA 8 has the image plane is so close to the Schmidt plate that the original front adjustment screws cannot be reached as soon as a camera is connected. To remedy this shortcoming, the FCCT can accommodate specially designed, 3D-printed thin filter drawers and, in addition, precisely align the chip plane within fractions of a millimeter by means of easily accessible adjustment screws positioned 120° apart at the side of the filter chamber. This makes working with the RASA 8 a pleasure, without having to fight for a perfect image position for a long time.
For the FCCT, we offer three sizes of 3D-printed filter drawers that exclusively accommodate unmounted filters with diameters of 31 mm / 36 mm and 2" (unmounted diameter = 47.4 mm). Smaller filters than 31mm very often lead to vignetting in the image corners even with small chip sizes and force cropping of the image content – leading to correspondingly unhappy customers. For this reason we do not offer the smallest possible filter size of (unmounted) 1¼" filters for the RASA 8". The large angle of view of 14 degrees forces to choose filters as large as possible to avoid image deterioration at the corners as well as vignetting and reflections. A filter should at minimum be 20% larger in diameter than the chip diagonale
The design of the Baader FCCT is of revolutionary importance for the successful use of the RASA 8. The performance of this RASA 8 optics is praised everywhere in the highest tones - only the difficult (better impossible) adjustment of the stars in the chip corners was a nuisance from the beginning. Many users have to work on the move and often did settle for a somewhat blurred image corner in order not to lose precious exposure time.
Other Information
- Country of Manufacture: Germany
- Baader Planetarium Warranty: Baader products are warranted for two years for flawless optical function (not necessarily cosmetic optical appearance).
The Baader FCCT was designed exclusively for Celestron's RASA 8 Astrograph and QHY cameras. It is a filter changer with camera adjustment mechanism for covering the largest possible field size that the RASA8 can suppply, enabling sharp image corners and ultimately fast fine corrections to the optical plane. The Baader FCCT (Filter Changer Camera Tilter) allows quick filter exchange as well as very easy correction of field any existing tilt – without having to remove the camera from the RASA 8" each time.
Celestron's most transportable astrograph, the RASA 8" – Rowe-Ackermann Schmidt Astrograph, ccan capture spectacular deep-sky wide-angle images in seconds. This incredibly fast f/2.0 system is the perfect telescope for modern astronomical CMOS color cameras, smaller CCD cameras and mirrorless cameras. What would otherwise require several nights of exposure time can be accomplished with the RASA in a single night – in principle. Until now, the most severe obstacle was to get the stars in each corner of the chip really round and minimized in size. To do this, the camera had to be removed in order to reach the adjustment screws in the front of the Schmidt plate. But whenever the camera is put back in place, unavoidably this will result in a small lateral offset of the mechanical image train, which causes another corner of the image to show slightly distorted stars. This problem is solved by using the FCCT since nothing needs to be disassembled anymore.
Only the RASA 8 has the image plane is so close to the Schmidt plate that the original front adjustment screws cannot be reached as soon as a camera is connected. To remedy this shortcoming, the FCCT can accommodate specially designed, 3D-printed thin filter drawers and, in addition, precisely align the chip plane within fractions of a millimeter by means of easily accessible adjustment screws positioned 120° apart at the side of the filter chamber. This makes working with the RASA 8 a pleasure, without having to fight for a perfect image position for a long time.
For the FCCT, we offer three sizes of 3D-printed filter drawers that exclusively accommodate unmounted filters with diameters of 31 mm / 36 mm and 2" (unmounted diameter = 47.4 mm). Smaller filters than 31mm very often lead to vignetting in the image corners even with small chip sizes and force cropping of the image content – leading to correspondingly unhappy customers. For this reason we do not offer the smallest possible filter size of (unmounted) 1¼" filters for the RASA 8". The large angle of view of 14 degrees forces to choose filters as large as possible to avoid image deterioration at the corners as well as vignetting and reflections. A filter should at minimum be 20% larger in diameter than the chip diagonale
The design of the Baader FCCT is of revolutionary importance for the successful use of the RASA 8. The performance of this RASA 8 optics is praised everywhere in the highest tones - only the difficult (better impossible) adjustment of the stars in the chip corners was a nuisance from the beginning. Many users have to work on the move and often did settle for a somewhat blurred image corner in order not to lose precious exposure time.
- Baader FCCT I or FCCT II with inserted dark slider and two 0.5mm spacer rings for focus finetuning
- Extra long 2mm hexagon screwdriver as torque wrench (28cm long), as well as short 0.9mm, 1.3mm and 1.5mm hex keys
- Three long M2 hexagon socket screws for camera adaption
- Filter-Extractor-Tool for inserting/extracting the filter drawer
- Storage bag for four filter holders (sold separately)
- 1 Pair Cotton Cloves for mounting sensitive accessories
Please note: This item comes in a long and weak box that is easily crushed. Baader is looking into redesigning the box for this item but until they do, please understand that the item we ship you is new and functionally perfect, but the item box will not be pristine and will show signs of damage. Unfortunately, all FCCT I and II boxes we've received from Baader are like this.
- Filter changer and Tilter (mechanical image-plane corrector), specially designed for Celestron RASA 8" Astrograph and QHY cameras.
- The Baader FCCT (Filter Changer Camera Tilter) allows the use of filters as well as the image position correction / fine adjustment of camera and filters. Depending on the camera model, you will need one of the following FCCT versions:
- FCCT I (# 2459070) for RASA 8" – suitable for QHY cameras with 77 mm diameter (e.g. QHY 174 / 163 / 183)
- FCCT II (# 2459071) for RASA 8" – suitable for QHY cameras with 90 mm diameter (e.g. QHY 268 / 294)
- The Baader FCCT (Filter Changer Camera Tilter) allows the use of filters as well as the adjustment of camera plus filter to the optical path.
- With the FCCT, a very fast adjustment or finest readjustments are possible - without having to unscrew the camera each time. This makes working with the RASA 8 a pleasure.
- 3D-printed filter sliders are available for the FCCT, which exclusively accommodate unmounted filters with diameters of 31 mm / 36 mm and 2" (w/o cell).
- We offer selected 2" filters specifically for the FCCT in an unmounted variant, but basically all Baader 2" filters will work when removed from the filter cell.
The Baader FCCT was designed exclusively for Celestron's RASA 8 Astrograph and QHY cameras. It is a filter changer with camera adjustment mechanism for covering the largest possible field size that the RASA8 can suppply, enabling sharp image corners and ultimately fast fine corrections to the optical plane. The Baader FCCT (Filter Changer Camera Tilter) allows quick filter exchange as well as very easy correction of field any existing tilt – without having to remove the camera from the RASA 8" each time.
Celestron's most transportable astrograph, the RASA 8" – Rowe-Ackermann Schmidt Astrograph, ccan capture spectacular deep-sky wide-angle images in seconds. This incredibly fast f/2.0 system is the perfect telescope for modern astronomical CMOS color cameras, smaller CCD cameras and mirrorless cameras. What would otherwise require several nights of exposure time can be accomplished with the RASA in a single night – in principle. Until now, the most severe obstacle was to get the stars in each corner of the chip really round and minimized in size. To do this, the camera had to be removed in order to reach the adjustment screws in the front of the Schmidt plate. But whenever the camera is put back in place, unavoidably this will result in a small lateral offset of the mechanical image train, which causes another corner of the image to show slightly distorted stars. This problem is solved by using the FCCT since nothing needs to be disassembled anymore.
Only the RASA 8 has the image plane is so close to the Schmidt plate that the original front adjustment screws cannot be reached as soon as a camera is connected. To remedy this shortcoming, the FCCT can accommodate specially designed, 3D-printed thin filter drawers and, in addition, precisely align the chip plane within fractions of a millimeter by means of easily accessible adjustment screws positioned 120° apart at the side of the filter chamber. This makes working with the RASA 8 a pleasure, without having to fight for a perfect image position for a long time.
For the FCCT, we offer three sizes of 3D-printed filter drawers that exclusively accommodate unmounted filters with diameters of 31 mm / 36 mm and 2" (unmounted diameter = 47.4 mm). Smaller filters than 31mm very often lead to vignetting in the image corners even with small chip sizes and force cropping of the image content – leading to correspondingly unhappy customers. For this reason we do not offer the smallest possible filter size of (unmounted) 1¼" filters for the RASA 8". The large angle of view of 14 degrees forces to choose filters as large as possible to avoid image deterioration at the corners as well as vignetting and reflections. A filter should at minimum be 20% larger in diameter than the chip diagonale
The design of the Baader FCCT is of revolutionary importance for the successful use of the RASA 8. The performance of this RASA 8 optics is praised everywhere in the highest tones - only the difficult (better impossible) adjustment of the stars in the chip corners was a nuisance from the beginning. Many users have to work on the move and often did settle for a somewhat blurred image corner in order not to lose precious exposure time.
Other Information
- Country of Manufacture: Germany
- Baader Planetarium Warranty: Baader products are warranted for two years for flawless optical function (not necessarily cosmetic optical appearance).
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- Baader FCCT I or FCCT II with inserted dark slider and two 0.5mm spacer rings for focus finetuning
- Extra long 2mm hexagon screwdriver as torque wrench (28cm long), as well as short 0.9mm, 1.3mm and 1.5mm hex keys
- Three long M2 hexagon socket screws for camera adaption
- Filter-Extractor-Tool for inserting/extracting the filter drawer
- Storage bag for four filter holders (sold separately)
- 1 Pair Cotton Cloves for mounting sensitive accessories
Baader FCCT Filter Changer Camera Tilter for Celestron RASA 8 Telescope & Select QHY Cameras