More products from the brand :Sky-Watcher

Sky-Watcher Quattro-250P (f/4)

CHF 889

Disponible en stock chez le fournisseur

Free delivery against signature
Easy, free returns

Sky-Watcher Quattro 250P Imaging Newtonian - Astrographic telescope 254 mm f/4

Visit Sky-Watcher Quattro 250P Imaging Newtonian is a 10-inch (254 mm) Newtonian telescope designed for the’fast, high-performance astrophotography. With its f/4 focal ratio and its oversized secondary mirror, it guarantees ideal coverage of modern full-format DSLR sensors and CCD cameras. It's a powerful, affordable solution for deep-sky photographers.

A high-performance astrograph for your most ambitious images

Thanks to its 1000 mm focal length With its 254 mm aperture, the Quattro 250P allows short exposures while capturing maximum light. Its borosilicate parabolic mirror is covered with the exclusive Radiant™ Aluminum Quartz™ (RAQ™), offering a reflectivity of 94% for exceptional light output.

The tube is made of rolled steel and coated with a Black Diamond« metallic finish», This is an elegant yet robust design. The whole is completed by a focuser Crayford 2″ double speed (10:1), precise and fluid, ideal for fine-tuning photography.

Technical specifications - Quattro 250P

Optical data
Lens type Newtonian parabolic reflector
Opening 254 mm
Focal length 1000 mm
Focus report f/4
Glass type Borosilicate
Mirror coating Radiant™ Aluminum Quartz™ (RAQ™) - 94% Reflectivity
Secondary diameter 89 mm (obstruction 35%)
Surface obstruction 12%
Separating power (Dawes) 0,46″
Rayleigh limit 0,55″
Magnitude limit 14,5
Min./max. useful magnification. 36× / 500×
Light gain vs. 200 mm +57%

 

Accessories and dimensions
Focuser Crayford 2″ double speed (10:1)
Researcher 9×50 optical
Adapters 1.25″ and 2″
Eyepieces included None (designed for photography)
Coma corrector Not included (optional)
Rings and mounting bar Vixen rings and dovetail included
Tube length 92.7 cm (36.5″)
Tube outer diameter 289 mm (11,375″)
Weight with accessories 16.5 kg

Why choose the Quattro 250P?

  • Fast f/4 ratio for shorter exposure times and a better signal-to-noise ratio
  • Large secondary mirror for full illumination of full-format sensors
  • Black Diamond finish robust and professional
  • Compatible with EQ6 / EQ8 / AM5 frames
  • Possible developments with coma corrector for a perfectly corrected field

An affordable professional tube for demanding astrophotographers

Visit Sky-Watcher Quattro 250P Imaging Newtonian combines power, speed and affordability. It's a strategic choice for enthusiasts wishing to move into advanced imaging with a large-diameter instrument, without compromising on optical quality. It is also ideally suited to wide-field, high-resolution visual use.

Order now your Quattro 250P in our specialist store - including fast delivery, technical support and personal assistance.

Products in the same category

Celestron NexStar 6SE
Celestron NexStar 6SE
CHF 1'189
Sky-Watcher Explorer-150PDS sur monture EQ5 PRO Go-To
Sky-Watcher Explorer-150PDS on EQ5 PRO Go-To mount
CHF 1'199
Sky-Watcher Quattro-300P (f/4)
Sky-Watcher Quattro-300P (f/4)
CHF 1'289
Sky-Watcher Quattro-200P (f/4)
Sky-Watcher Quattro-200P (f/4)
CHF 719
Acuter MaksyGo 60 – Mini Dobson Maksutov-Cassegrain
Acuter MaksyGo 60 - Mini Dobson Maksutov-Cassegrain
CHF 119
Schmidt-Cassegrain C11 EdgeHD 280mm (11")
Schmidt-Cassegrain C11 EdgeHD 280mm (11")
Original price was: CHF 3'429.Current price is: CHF 3'379.
Dobson Explore Scientific 254 mm f/5 Ultra Light GEN 2
Dobson Explore Scientific 254 mm f/5 Ultra Light GEN 2
Original price was: CHF 899.Current price is: CHF 799.
Sky-Watcher Explorer-250PDS (OTA) (f/4.7)
Sky-Watcher Explorer-250PDS (OTA) (f/4.7)
CHF 639
Celestron Origin MKII - Observatoire automatique à domicile
Celestron Origin MKII - Automatic home observatory
Original price was: CHF 4'099.Current price is: CHF 3'979.
Schmidt-Cassegrain C8 EdgeHD 200 mm (8")
Schmidt-Cassegrain C8 EdgeHD 200 mm (8")
CHF 1'699
Sky-Watcher Explorer-150PDS sur monture EQ3 PRO Go-To
Sky-Watcher Explorer-150PDS on EQ3 PRO Go-To mount
CHF 979
Sky-Watcher Skymax 150 EQ5
Sky-Watcher Skymax 150 EQ5
CHF 1'149
Celestron StarSense Explorer 127mm
Celestron StarSense Explorer 127mm
CHF 249
Dobson Sky-Watcher Skyliner-250P Classic
Dobson Sky-Watcher Skyliner-250P Classic
CHF 649
Télescope Sky-Watcher Heritage 114P Virtuoso
Sky-Watcher Heritage 114P Virtuoso telescope
CHF 359
Celestron RASA V2 202 mm (8")
Celestron RASA V2 202 mm (8")
CHF 2'059

Our new products

TS-Optics Photoline SD-APO 125 mm f/7.8 – Doublet FPL-53 / Lanthane
TS-Optics Photoline SD-APO 125 mm f/7.8 – Doublet FPL-53 / Lanthane
CHF 1'399
Filtre Baader ND 2" OD 0.9 T=12.5%
Filtre Baader ND 2" OD 0.9 T=12.5%
CHF 79
Sky-Watcher Skymax 150 EQ5
Sky-Watcher Skymax 150 EQ5
CHF 1'149
Sky-Watcher SKYMAX 127 AZ-GTi WiFi
Sky-Watcher SKYMAX 127 AZ-GTi WiFi
CHF 699
Sky-Watcher SKYMAX 127 AZ-Go2 WiFi
Sky-Watcher SKYMAX 127 AZ-Go2 WiFi
CHF 569
Sky-Watcher EXPLORER 130P AZ-Go2 WiFi
Sky-Watcher EXPLORER 130P AZ-Go2 WiFi
CHF 449
Sky-Watcher STARTRAVEL-102 (AZ-GO2)
Sky-Watcher STARTRAVEL-102 (AZ-GO2)
CHF 451
Sky-Watcher Startravel 120 AZ Pronto
Sky-Watcher Startravel 120 AZ Pronto
CHF 462
Sky-Watcher Skymax 102S AZ Pronto
Sky-Watcher Skymax 102S AZ Pronto
CHF 359
Sky-Watcher Skyhawk 114/500 AZ Pronto
Sky-Watcher Skyhawk 114/500 AZ Pronto
CHF 279
[category_menu_mobile]