Sky Watcher Quattro 200P Imaging Newtonian - Large Aperture 8-inch Reflector Optical Tube for Astrophotography
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Purchase options and add-ons
Brand | Sky Watcher |
Model Name | Sky-Watcher Quattro Imaging Newtonian 8" (205 mm) |
Optical Tube Length | 8 Inches |
Eye Piece Lens Description | Brandon |
Objective Lens Diameter | 8 Inches |
Telescope Mount Description | Altazimuth Mount |
Focus Type | Auto Focus |
Finderscope | Reflex |
Item Weight | 21 Pounds |
Lens Coating Description | Fully multi-coated pyrex mirrors |
About this item
- FAST f/4 OPTICS: With a bright f/4 focal ratio, the Quattro Imaging Newtonian captures greater detail in a shorter exposure time
- 2-INCH DUAL-SPEED CRAYFORD-STYLE FOCUSER: Never miss focus with this 2-inch dual- speed crayford style focuser
- OVERSIZED SECONDARY MIRROR: All Quattro Newtonians use an oversized secondary mirror capable of illuminating both APS-C and full-frame DSLRs without vignetting
- KNIFE-EDGE BAFFLES: Multiple knife-edge baffles minimize stray light from entering the optical tube and ruining your imaging or viewing experience
- EVERYTHING YOU NEED: While most manufacturers make you pay extra, Sky-Watcher gives you everything you need right out of the box, including: tube rings, a Vixen-style dovetail, and an 8x50 straight-through finderscope and bracket
- Max focal length: 800
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This Item Sky Watcher Quattro 200P Imaging Newtonian - Large Aperture 8-inch Reflector Optical Tube for Astrophotography | Recommendations | dummy | dummy | dummy | dummy | |
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Price | $830.00$830.00 | -10% $512.99$512.99 Typical: $569.99 | $799.00$799.00 | -6% $599.95$599.95 List: $639.95 | $639.99$639.99 | $1,822.75$1,822.75 |
Delivery | — | Get it as soon as Monday, Apr 1 | Get it as soon as Monday, Apr 1 | Get it as soon as Monday, Apr 1 | — | Get it as soon as Wednesday, Apr 3 |
Customer Ratings | ||||||
Sold By | Amazon.com | Amazon.com | Adorama | Amazon.com | Focus Camera LLC | Amazon.com |
focus type | Auto Focus | Fixed Focus 6x | Manual Focus | Manual Focus | Manual Focus | Manual Focus |
eye piece lens | Brandon | — | Galilean | Plossl | — | Brandon |
objective lens diameter | 8 inches | 30 millimeters | 8 inches | 130 millimeters | 150 millimeters | 305 millimeters |
telescope mount | Altazimuth Mount | — | Altazimuth Mount | Altazimuth Mount | Altazimuth Mount | Equatorial Mount |
lens coating | Fully multi-coated pyrex mirrors | Fully Multi-Coated | — | — | — | Fully Multi-Coated |
weight | 21 pounds | — | 1 pounds | 11.4 pounds | 0.01 pounds | 57 pounds |
finderscope | Reflex | 6x30 straight through | Reflex | StarPointer™ red-dot finderscope | Reflex | Reflex |
From the manufacturer
Sky-Watcher Quattro Series
The Quattro Imaging Newtonian is a fast f/4 Newtonian telescope that produces a beautiful wide field, perfect for both astrophotography and visual use. All Quattro Newtonians come with a 2" dual-speed focuser and an oversized secondary mirror for cameras with full-frame sensors. An optional coma corrector is available and recommended for astrophotography.
Quattro 200P | Quattro 250P | Quattro 300P | |
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Customer Reviews |
4.7 out of 5 stars
27
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4.7 out of 5 stars
27
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5.0 out of 5 stars
4
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Optical Design | Newtonian | Newtonian | Newtonian |
Aperture (mm) | 203 | 257 | 305 |
Focal Length (mm) | 800 | 1000 | 1200 |
F/Ratio | 4 | 4 | 4 |
Limiting Magnitude | 14 | 14.5 | 14.9 |
Maximum Magnification | 400 | 500 | 600 |
OTA Length (Inches) | 28 | 36.5 | 42.5 |
OTA Weight (Pounds) | 21 | 36.5 | 57 |
Image Circle (w/ Corrector) | 28mm | 28mm | 28mm |
Back Focus (w/ Corrector) | 55mm | 55mm | 55mm |
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2" Dual-Speed Crayford-Style FocuserAll Quattro Imaging Newtonians come with a beefy 2" dual-speed Crayford-style focuser, compatible with all full-frame cameras and large 2" eyepieces. |
Proprietary MHTC CoatingsAll Quattro optical tubes use a parabolic mirror, made of borosilicate with a quartz overcoat and Sky-Watcher's patented Metallic High-Transmission Coatings (MHTC) producing 94% reflectivity. |
Rings and Dovetail IncludedThe Quattro Imaging Newtonian series comes complete with tube rings and a Vixen-style dovetail plate (300P model includes D-style) |
Knife Edge BafflesMultiple knife edge baffles prevents stray light from affecting your imaging and viewing experience (only on 200P and 300P models). |
What's in the box
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Product information
Product Dimensions | 32 x 16 x 18 inches |
---|---|
Item Weight | 21 pounds |
ASIN | B00Z4HVSZU |
Item model number | S11210 |
Customer Reviews |
4.7 out of 5 stars |
Best Sellers Rank | #1,056 in Camera & Photo Products (See Top 100 in Camera & Photo Products) #31 in Telescope Reflectors |
Is Discontinued By Manufacturer | No |
Date First Available | May 21, 2015 |
Manufacturer | Sky-Watcher |
Country of Origin | China |
Warranty & Support
Feedback
Product Description
The Quattro Imaging Newtonian is one of the most affordable telescopes with a f/4 focal
ratio. This astrograph is capable of producing an exposure 6x faster than any f/10 optical tube.
Even pricey refractors have trouble reaching a focal ratio this fast. Using a faster optical tube
will shorten the exposure time, giving you more time to photograph nebulae, clusters, and other
deep sky objects.
Like all Sky-Watcher reflectors, our Quattro Imaging Newtonian features aluminum-
coated borosilicate mirrors with a quartz overcoat, producing 94% reflectivity. The optical
system uses an oversized secondary mirror, providing greater illumination for DSLRs and CCDs
using full-frame sensors. The optical tube is constructed with rolled steel, and features Sky-
Watcher’s signature metal-flake Black Diamond finish on the exterior. The interior of the optical
tube uses knife-edge baffles to absorb any stray light from ruining your images.
As customary with all Sky-Watcher telescopes, a boat-load of accessories are bundled
with the optical tube. First is a 2-inch dual-speed 10:1 focuser with included 1.25-inch eyepiece
adapter, which provides flexibility for either 1.25-inch or 2-inch eyepieces. Also included are
tube rings and a V-style dovetail plate, as well as a 9x50 finderscope. For photographers
looking to create a flat field and eliminate vignetting, an optional coma corrector is available
separately. Parabolic mirrors normally produce some aberrations around the edge of the field of
view (coma), so this corrector is highly recommended for users with large imaging sensors and full-frame DSLRs.
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonReviews with images
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Top reviews
Top reviews from the United States
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Reviewed in the United States on May 13, 2020
Awesome.
Reviewed in the United States on November 16, 2020
If you're serious about astrophotography, you cannot have weak links in the process, especially where you dedicate so much time and energy to taking subframes.
For starters, the focuser needs to be replaced. As a two speed Crayford, the fine adjustment would work, but the course adjustment would "click" and have a gritty feeling. In all, the machining of the Sky-Watcher parts is not precise and buried in a heavy coat of paint. I replaced the focuser with an Omegon at the cost of around $400, including tax and shipping.
Next - and more importantly - the primary mirror was not seated properly. If you take the primary mirror cell off and rotate it, you will see the mirror flopping back and forth by about 1/8th of an inch (at least in my copy). Of course, without being re-seated and secured, this will never hold collimation.
Third, this is the only imaging Newtonian in this class that does not come with a fan. For imaging, bringing the mirror to within 3 degrees Celsius of ambient air temperature is necessary to reduce tube currents that effect imagining. So, I built a custom fan assembly, as pictured and will run it off an ASIAIR. As to mirror retention of heat, it is not aperture, but thickness of the mirror. This mirror is 25.5 mm thick.
Please note that the GSO primary mirror holder with the fan will not accommodate the primary mirror on this scope. The Quattro mirror is slightly too large.
Fourth, while this is rather common with consumer class Newtonians, the secondary is merely adhered (seemingly with double sided tape) to the secondary post. ("Post" means I don't know what to call it as it's not a holder.) I have read accounts online where the secondary mirror has fallen off over time. Accordingly, it was necessary to find a secondary mirror holder of appropriate length and buy a new secondary rather than chisel the original mirror off the post. The cost for both components was around $160.
The finder scope that comes with the Quattro is a plastic toy and should be discarded.
In all, I am very disappointed with this scope - especially after hearing how great the thing was supposed to be. I'm roughly $630 out of pocket to get my $830 (over-priced) "imaging Newtonian" in condition to be useable. ($400 focuser, $160 for a secondary and holder and roughly $70 in components and a long day of labor to build a fan.)
Had I known that this would be the build quality, I would have saved my money for a more serious instrument. The Sky-Watcher Quattro is unfortunately an example of a cheap off-shore product put into the stream of commerce.
Reviewed in the United States on March 28, 2023
If you're serious about astrophotography, you cannot have weak links in the process, especially where you dedicate so much time and energy to taking subframes.
For starters, the focuser needs to be replaced. As a two speed Crayford, the fine adjustment would work, but the course adjustment would "click" and have a gritty feeling. In all, the machining of the Sky-Watcher parts is not precise and buried in a heavy coat of paint. I replaced the focuser with an Omegon at the cost of around $400, including tax and shipping.
Next - and more importantly - the primary mirror was not seated properly. If you take the primary mirror cell off and rotate it, you will see the mirror flopping back and forth by about 1/8th of an inch (at least in my copy). Of course, without being re-seated and secured, this will never hold collimation.
Third, this is the only imaging Newtonian in this class that does not come with a fan. For imaging, bringing the mirror to within 3 degrees Celsius of ambient air temperature is necessary to reduce tube currents that effect imagining. So, I built a custom fan assembly, as pictured and will run it off an ASIAIR. As to mirror retention of heat, it is not aperture, but thickness of the mirror. This mirror is 25.5 mm thick.
Please note that the GSO primary mirror holder with the fan will not accommodate the primary mirror on this scope. The Quattro mirror is slightly too large.
Fourth, while this is rather common with consumer class Newtonians, the secondary is merely adhered (seemingly with double sided tape) to the secondary post. ("Post" means I don't know what to call it as it's not a holder.) I have read accounts online where the secondary mirror has fallen off over time. Accordingly, it was necessary to find a secondary mirror holder of appropriate length and buy a new secondary rather than chisel the original mirror off the post. The cost for both components was around $160.
The finder scope that comes with the Quattro is a plastic toy and should be discarded.
In all, I am very disappointed with this scope - especially after hearing how great the thing was supposed to be. I'm roughly $630 out of pocket to get my $830 (over-priced) "imaging Newtonian" in condition to be useable. ($400 focuser, $160 for a secondary and holder and roughly $70 in components and a long day of labor to build a fan.)
Had I known that this would be the build quality, I would have saved my money for a more serious instrument. The Sky-Watcher Quattro is unfortunately an example of a cheap off-shore product put into the stream of commerce.