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Model: 20091Brand: Skywatcher
Generally In Stock, Please Confirm Before Ordering
The exciting new lightweight and highly portable Sky-Watcher AZ-GTiX Dual Saddle Alt-Azimuth Mount, with it's built-in Wi-Fi module, has been designed to be used with up to two telescopes and is controlled wirelessly with your Smartphone or Tablet, using the free SynScan App for iOS or Android.The AZ-GTiX creates it’s very own Wi-Fi network, so the mount can be used anywhere, without any reliance on other Wi-Fi networks. After entering your coordinates into the App and following a simple alignment procedure, you are ready to explore the universe using the App’s intuitive touchscreen menu. The AZ-GTiX and SynScan App provides full computerised GO-TO control, allowing your telescope to be automatically slewed to any one of the objects in the App’s extensive database of 10,000+ celestial objects.
Incorporates Sky-Watcher’s Freedom-Find™ patented Dual-Encoder Technology, which allows the telescope to be moved manually in either axis without the mount losing its positional information. This gives the user enormous freedom, convenience and flexibility during observational sessions.
The mount is quiet in operation, has a payload capacity of up to 6kg (using one saddle) or 10kg (using both saddles) and accepts telescopes with standard 45mm Dovetail Bars. Supplied with Stainless Steel Tripod, L-Bracket with additional saddle plate and a 61mm extension pillar.
Controller: Free SynScan App for iOS and Android mobile device or Synscan Hand Controller (available separately)SynScan App Database: Total 10,000+ Objects. Deep Sky Objects: 10759, including Messier, NGC, IC, Caldwell Catalogues, Named DSOs, Named Stars: 305, Double Stars: 55, Solar system objects: 7 planets, Sun , Moon. (Unlimited objects when working with a 3rd party planetarium software).SynScan App Alignment Method: Brightest Star Alignment, North-Level AlignmentSynScan App's Other Features: Tonight's Best Sky Tour, Point and Go with a mobile device, Identification of Celestial Objects, Remote control over Internet, User defined objects, Pointing Accuracy Enhancement (PAE)Pointing Accuracy: Up to 10 arc-minute (RMS)Resolution: 2073600 Counts/Rev., 0.625 arc-secondResolution of Aux. R.A./Dec. Axis Encoders: 1068 Counts/Rev., approx. 20 arc-minutesFreedom-Find™ Dual-Encoder TechnologyTracking Rates: Sidereal, Lunar, Solar, Alignment-Free Solar TrackingSlewing Speeds: 0.5X, 1.0x, 8.0x, 16x, 32x, 64x, 128x, 400x, 800xTracking Mode: Dual Axis TrackingMotor: DC Servo Motor, Gear Ratio 6480Payload Capacity: 6kg (one saddle) or 10kg (using both saddles)45mm Sky-Watcher/Vixen type dovetail saddlesInterface: SynScan Hand Control Port, DSLR Shutter Release Port (optional cables available separately), Built-in Wi-Fi ModuleConnectivity: ASCOM platform for Windows PC, Mobile planetarium App for iOS and Android ( SkySafari Plus/Pro, more are coming).Network Protocol: UDP, Port 118803/8" Screw Fittings (tripod/mount)Adjustable Stainless Steel Tripod with Accessory TrayHeight of Tripod/Mount (excl. OTA): 100cm - 139cmMount Head Weight: 2kgTotal Weight with Tripod: 5.2kgPower Requirement: 8 AA Size Batteries (not supplied) or External Power Supply (DC 7.5~14V, 0.75A) Tip Positive.
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Some items that are showing as in stock are in stock at our holding warehouses, not at the shop. To double check the stock levels at the shop, please contact us on 01909774369 or firstname.lastname@example.org.
The delivery times for most items is 1 - 2 days but again, please double check stock levels on important orders before placing an order via the website.
The delivery costs for courier next day are for mainland UK only. If you live in the Scottish Highlands/Islands, Channel Islands or Northern Ireland, then a shipping surchage will apply. please contact us for prices. Smaller items can still go 1st class via Royal Mail.
Please note that if you are wanting to take advantage of our Saturday and Sunday timed services or next day pre 12 or pre 10:30 services, you MUST check that the stock is here at the shop before placing orders. Also, orders using the Saturday and Sunday services must be placed before 1pm the previous working day. Also, please remember to check that the stock is here at the shop before placing orders. If the stock is not at the shop, we won't be able to ship on any of the timed services.
Please note International customers will need to contact us for a shipping price prior to ordering via the website. We don't ship all items internationally. It is at our discretion what we ship outside of the UK. This all depends on the size and weight of the items. Please get in touch with us for any postage costs. Please note we do NOT ship telescopes or heavy items outside of the UK. This is due to massive postage costs and problems regarding returns.
If you have any questions regarding stock levels or delivery, please get in touch.
Zygo Interferometer Testing For ED Refractor Telescopes!
We are extremely pleased to announce our Zygo Interferometer is now installed and ready for use! Our experienced staff can test refractor lenses up to 120mm aperture and provide a comprehensive 2 page report showing the optical quality and Strehl ratio, plus much more information. We are using the very latest Zygo MX software to provide a more detailed report compared to other standard reports.
The interferometer is essentially a measuring instrument. Within the interferometer is a calibrated laser that is pointed through the optical test surface, then onto a high quality reference sphere, then back through the test subject then to an internal camera which gives us the measurement on the screen. From this, we can adjust the position of the test optic and the reference sphere to obtain a perfectly calibrated system. The more central the laser to the test optic and then on return, the better and more accurate reading and measurement we can take. This takes a lot of adjustment to get the best results from the optical surface. Once the measurement has been taken, we are provided with a series of results that show the optical quality of the surface plus other information. Continue reading for an explanation of the individual values and you can also see a test report that was done on one of our RVO Horizon 60 OTAs.
We are offering certain telescopes with a Zygo test at an extra cost. Mainly ED doublets and triplets. All available telescopes with a Zygo test report are listed here. Just select Zygo Test Report from the drop down box at the top of the listing and we will test the optics in house and provide a full 2 page report with your scope. This will show you the optical quality of your telescope optics. We can also offer this service on your refractor telescope. Please get in touch for more details about this.
At Rother Valley Optics, one thing we pride ourselves on is customer service and quality of our equipment. When we test your telescope, we will ensure that it is of the highest quality otherwise, we will reject the scope under our strict quality control and test another model for your peace of mind. One of the main values to look at when testing a refractor is the Strehl ratio. The higher this number, the higher quality lens you have. At Rother Valley Optics, we will guarantee the highest possible Strehl ratio for your telescope. We will aim to provide 0.95 Strehl or higher on Takahashi, RVO Horizon, William Optics and many more! Generally, the higher the Strehl ratio, the lower the Astigmatism and Coma meaning a better image quality from your instrument.
Other measurements such as the PV and RMS are important too. With these measurements, the lower the number the better as it shows less curvature on the lens. The flatter an optical lens, the better it will perform. The PV rating (Peak To Valley) is a measurement from the highest point (Peak) to the lowest point (Valley). From this we get the RMS (Root, Mean, Square). This is a similar figure to the PV and measured exactly the same way. The RMS is basically an average height difference from the PV so again, the lower the better. As you can see form the example below, we measured an RMS of just 0.027 wave which is a very good value.
We also measure the Power with our systems which is essentially the error from the reference sphere to the test optic. The reference sphere we use on our system is a very high quality sphere so the closer to zero the Power, the less error between the 2 elements thus ensuring a higher quality optical surface.
You will also see some more values such as Astigmatism and Coma. Again, these are measured by the interferometer when we take measurements of the optical surface after adjustment. These are values which ideally would be at 0 but as our test optics are all curved lenses, there will always be astigmatism and coma present. The lower the number, the less of these aberations you will effectively see but with most refractors, you can buy field flatteners which will compensate for the coma anyway. The astigmatisms value is explaining the error between the symmetrical curvature of the lens. Basically, no lens will be perfectly symmetrical, the lower the astigmatism, the more symmetrical the lens surface is.
Once the Zygo test report has been completed, the optical alignment is thoroughly tested and tuned to ensure they are spot on before they leave us.
All available telescopes are on the website at the link below and ones we've tested already that are available straight away are also listed.
Here is an example of the test what we provide. This was a test on one of our Horizon 60 ED OTA's.
For any questions about this amazing new service, please either call 01909774369 or email email@example.com.
Are you interested in this product but would like to speak to someone with some more information? Simply fill in the form below and we will get back to you as soon as we can!
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Skywatcher AZ-EQ5GT Alt Az / Equatorial GOTO Mount & Tripod£1,299.00
The AZ-EQ5 PRO is a dual purpose, fully functional computerised heavy-duty Go-To/Tracking astronomical mount in both Alt-Azimuth (AZ) and Equatorial (EQ) modes.
Skywatcher AZ-EQ6GT Computerized GOTO Equatorial/Alt Az Mount & Tripod£1,749.00
The AZ-EQ6GT is a dual purpose, fully functional computerised heavy-duty Go-To/Tracking astronomical mount in both Alt-Azimuth (AZ) and Equatorial (EQ) modes.
Skywatcher AZ-GTiX Dual Saddle Wi-Fi GOTO Mount Head Only£349.00
The highly portable Sky-Watcher AZ-GTiX Dual Saddle Alt-Azimuth Mount, with it's built-in Wi-Fi module, has been designed to be used with up to two telescopes and is controlled wirelessly with your Smartphone or Tablet
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