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

Sky-Watcher Explorer-150PDS sur monture EQ3 PRO Go-To
Sky-Watcher Explorer-150PDS on EQ3 PRO Go-To mount
CHF 979
Dobson Sky-Watcher Skyliner-250P Classic
Dobson Sky-Watcher Skyliner-250P Classic
CHF 649
Celestron Evolution 9.25" SCT Wifi
Celestron Evolution 9.25" SCT Wifi
Original price was: CHF 3'199.Current price is: CHF 3'099.
Sky-Watcher Skymax 127 Virtuoso GTi – Télescope Go-To
Sky-Watcher Skymax 127 Virtuoso GTi - Go-To telescope
CHF 643
Sky-Watcher Skyliner-350P Flextube
Sky-Watcher Skyliner-350P Flextube
CHF 2'029
Dobson Celestron StarSense 305mm
Dobson Celestron StarSense 305mm
Original price was: CHF 1'899.Current price is: CHF 1'769.
Dobson Bresser Messier 6" (152mm)
Dobson Bresser Messier 6" (152mm)
CHF 359
Schmidt-Cassegrain C14 EdgeHD 360mm (14")
Schmidt-Cassegrain C14 EdgeHD 360mm (14")
CHF 8'999
Dobson Bresser Messier 6" (152mm) - Version planétaire
Dobson Bresser Messier 6" (152mm) - Planetary version
CHF 399
Sky-Watcher Skyliner-400P FlexTube
Sky-Watcher Skyliner-400P FlexTube
CHF 2'799
Sky-Watcher Explorer-250PDS (OTA) (f/4.7)
Sky-Watcher Explorer-250PDS (OTA) (f/4.7)
CHF 639
Dobson 400 mm (16") f/4.5 Ultra Light GEN 2
Dobson 400 mm (16") f/4.5 Ultra Light GEN 2
Original price was: CHF 2'699.Current price is: CHF 2'199.
Dwarf Mini - En précommande
Dwarf Mini - Pre-order
Price range: CHF 309 through CHF 439
Kit NextStar 8 (Télescope, monture, valise et batterie)
NextStar 8 kit (telescope, mount, case and battery)
CHF 2'399
Dobson Bresser Messier 8" (200mm)
Dobson Bresser Messier 8" (200mm)
CHF 589
Celestron StarSense Explorer 114
Celestron StarSense Explorer 114
CHF 209

Our new products

Verre Haute résolution pour SFPT 80MT & 100MT
High-resolution glass for SFPT 80MT & 100MT
CHF 349
Verre Haute résolution pour filtre Double Stack 100THa
High-resolution glass for Double Stack 100THa filter
CHF 349
Verre Haute résolution pour double stack LS80
High-resolution glass for LS80 double stack
CHF 349
DSII/LS152T: Double Stack interne pour LS152THa
DSII/LS152T: Internal double stack for LS152THa
CHF 4'529
LS50C: Double stack pour LS50THa
LS50C: Double stack for LS50THa
CHF 1'256
LS40FHa: Double Stack pour LS40THa
LS40FHa: Double Stack for LS40THa
CHF 900
DSII/LS130MT: Double Stack pour LS130MT
DSII/LS130MT: Double Stack for LS130MT
CHF 4'499
DSII/SFPT: Double Stack interne pour LS80MT et LS100MT
DSII/SFPT: Internal double stack for LS80MT and LS100MT
CHF 2'458
LS60FHa: Double Stack pour LS60MT et LS60THaPT
LS60FHa: Double Stack for LS60MT and LS60THaPT
CHF 2'240
LS50FHa : Double Stack pour LS60MT, LS60THa, LS60THaPT
LS50FHa: Double Stack for LS60MT, LS60THa, LS60THaPT
CHF 1'365
[category_menu_mobile]