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URL: http://www.thaiexcite.com/Sky-Watcher-Evostar-72ED-Apo-Refractor-on-AZGTi-mount-with-Star-Adventure-Tripod.html
กล้องดูดาว Sky-Watcher Evostar 72ED Apo Refractor on AZGTi mount with Star Adventure Tripod
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Sky-Watcher Evostar 72ED Apo Refractor on AZGTi mount with Star Adventure Tripod
- AZ-GTi mount Rated "Hot Product of 2019" by Sky&Telescope magazine
- Doublet apochromatic optical design
- Two-element, air-spaced optical assembly minimizes false color
- 72mm aperture, 420mm focal length, f/5.8 focal ratio
- 2-inch dual-speed Crayford-style focuser
- Aluminum tube coated with glossy, black diamond metal-flake finish
- Multi-purpose alt-azimuth mount
- Built-in Wi-Fi
- Spring loaded worm gears
- SynScan GoTo telescope mount with 42,900+ object database
- Controlled with SynScan Pro app for iOS and Android
- Freedom Find™ dual-encoder technology
- Adjustable height aluminum tripod with 1.25-inch diameter legs
- DC operation (batteries not included)
- Included accessories: tube rings, a Vixen-style dovetail and a foam-lined aluminum case. The AZ-GTi comes with the mount head, pier extension, and tripod.
"..the AZ-GTi is one of the most compact Go To mounts we've ever seen.." - SKY & TELESCOPE magazine
Sky-Watcher’s Evostar apochromatic doublet refractors are the perfect blend of superior extra-low dispersion glass and affordability.
The Evostar refractor lens assembly utilizes a proprietary combination of matched lenses, delivering tack-sharp stars with charcoal-black, contrast-rich skies.
All ED glass elements are fluorite-based and feature our proprietary Metallic High-Transmission Coatings™ (MHTC™), virtually eliminating all false color while the internal baffle helps prevent stray light from affecting your photography.
Like the optics, the tube is beautifully crafted using aluminum and finished with a black diamond metal-flake finish.
Using a doublet refractor instead of a triplet has some advantages: less glass means less weight, less weight means a less expensive telescope, so you can dedicate more money for your camera or laptop while benefiting from a lightweight astrophotography rig.
The Evostar 72ED comes in a foam-lined aluminum case with tube rings and a V-style dovetail plate.
Rock Solid GoTo Tracking Built for Globe Trekking
Sky-Watcher’s AZ-GTi is the perfect tracking platform for those seeking a compact travel mount capable of both alt-az GoTo alignment and video timelapse. Boasting a payload capacity of 11 pounds, this modular mount can support anything from a small Maksutov or refractor to a mid-sized DSLR for timelapse photography.
Weighing just 8.6-pounds, the AZ-GTi is the ideal travel mount, easily fitting in carry-on luggage and perfect for grab-and-go situations or even long photographic pilgrimages.
Revolutionary Wi-Fi Control
The AZ-GTi is one of the first Sky-Watcher products featuring built in Wi-Fi control. Once connected to the mount, use Sky-Watcher’s SynScan Pro app to align the mount for celestial tracking.
Easy Integration with any Tripod
The AZ-GTi includes an adjustable aluminum tripod with built in pier extension. The mount can attach to a tripod using a 3.8-inch-16 thread and includes an adapter for ¼-inch-20 thread sizes, making it capable of mounting to nearly any tripod.
Automatic Shutter Release Control
No need for an intervelometer timer with the AZ-GTi! With a 60-second preset exposure setting, the AZ-GTi can trigger a DSLR using the auxiliary shutter release cable. Once the camera is plugged into the mount and a shot is fired, it will continually shoot 60 second exposures until the cable is removed.
Freedom Find™
For those looking for the ultimate visual tracking mount, the AZ-GTi features Sky-Watcher's Freedom Find™ dual-encoder system. These encoders are separate from the mount's GoTo system and allow you to disengage the clutches and manually move the mount around the sky without losing your initial alignment.
The AZ-GTi comes with the mount head, pier extension, and tripod.
SPECIFICATIONS
Star Evo 72ED APO
| Optical Info | |
|---|---|
| Optical Design | ED Doublet |
| Lens Coatings | Fully Multi-Coated |
| True Aperture (mm) | 72 |
| Primary Aperture (mm) | 72 |
| F/Ratio | 5.9 |
| Focal Length (mm) | 420 |
| Observational Info | |
| Dawes Limit | 1.61 |
| Rayleigh Limit | 1.94 |
| Limiting Mag. | 11.7 |
| Minimum Magnification | 10 |
| Maximum Magnification | 142 |
| General Info | |
| Focuser | 2" Dual Speed Crayford |
| OTA Length (Retract/Ext.) | 16.5" |
| OTA Outer Diameter | 3.5" |
| OTA Weight (with accessories) | 4.3 |
| Accessories | |
| Mounting Accessories | Rings/V-Rail |
| Included Case | Yes |
| Corrector | No (optional) |
AZ-Gti MOunt:
| General Mount Info | |
|---|---|
| Mount Type | Alt-AZ/EQ |
| GoTo | Yes |
| Payload Capacity (lbs) | 11 |
| Mount Height (Min) | 31.6" |
| Mount Height (Max) | 59.8" |
| Mount Head Weight (lbs) | 2.6 |
| Tripod Weight (lbs) | 7.9 |
| Fully Assembled Weight (w/ weights) | 10.5 |
| Tripod Leg Diameter | 1.2" |
| Mounting Saddle Type | V |
| Power Type | AA/12V |
| Clutch | Slip |
| Polar Scope | No |
| Latitude Range (degrees) | 0-90 |
| Computer/Drive System Info | |
| Object Database | App Data base |
| Controller | WiFi |
| WiFi | Yes |
| Polar Align Assist | Yes |
| Auto Guide | No |
| Dual Encoders | Yes |
| DSLR Enterface | Yes |
| Motor Type | Stepper |
| Drive System | Gear |
SUPPORT DOCUMENTS
Manuals:
https://inter-static.skywatcher.com/downloads/azgti_manual_v102.pdf
About Sky-Watcher
Sky-Watcher was launched in 1999 featuring a modest line of Newtonian and refractor optical tubes, with distribution in Europe and Asia. In 2000, Sky-Watcher released their first series of Dobsonian telescopes, and two years later answered the rising popularity of digital SLRs with their first version of the famed German Equatorial Mount, the EQ6. Today, with a full product line that includes Dobsonians, APO refractors, EQ mounts, and photography products, Sky-Watcher has grown into the most popular telescope brand worldwide.