| Explore Scientific Telescopes |
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EXPLORE SCIENTIFIC AR102 Air-Spaced Doublet Refractor
D=102 / F=663mm Doublet Achromatic Refractor
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52500 + 18% GST |
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| EXPLORE SCIENTIFIC AR102 Air-Spaced Doublet |
The latest addition to the Air-Spaced Doublet AR Series is the very portable, grab-and-go 102mm!
Like its two larger brothers, the AR127, and the AR152, these are classic air-spaced, crown-and-flint, doublet achromatic refractors with superior-class optical figure, in a short (f/6.5) focal length design. These optics are an extreme value, produce stunning images of deep sky objects, double stars, planets, and the moon that are a small fraction of the price of comparable aperture apochromat refractors. Finally one can own a diffraction-limited high quality refractor for a relatively modest investment.
Designed to handle the rigors of public star parties and educational outreach, the Explore Scientific AR Series has standard hardware which includes a precision two-speed focuser, a 99% Reflective 2-inch Diagonal Mirror, and an 8x50 Finder Scope. You can be confident that the quality and construction of these telescopes will allow heavy use for many years. The optics in their collimatable lens cell are fully multi-coated to eliminate light scatter and maintain image contrast. We precision collimate every Explore Scientific telescope at our factory to give optimum performance. Although you may never need to adjust optical alignment, the AR Series allows for collimating the lens set should the telescope ever require it. Deluxe Two-Speed Focuser The Explore Scientific Air-Spaced Doublet AR Series telescopes include a precision 2-inch two-speed as standard equipment. The eyepiece holder uses a compression ring to prevent the eyepiece or camera barrel from scoring. Perfect focus is easily achieved with the Explore Scientific Ten-to-One, Two-Speed Focuser On those prestine nights of steady seeing, Saturn's Rings can forever affect the hearts and minds of almost anyone who lays eyes on them. It's nights like these that astronomers like to set up their refractors and push the magnification to the limits, not only to see the magnificence of the planet at greater scale but to really test the optical and mechanical quality of the telescope. Many telescopes are only supplied with a standard single-speed focuser, you will find that a tiny nudge will throw out focus and turn your night into one of frustration. So we included as standard equipment, on all Explore Scientific AR Series, a two-speed Crayford-style precision focuser with tension adjustment and lock to obtain and hold perfect focus. We think you'll agree that such precision is worth it.
The SmartEQTM Pro mount is the ultimate Grab N’ Go German equatorial GOTO mount fitting into almost everyone’s budget. It is ideal for visual observation and wide field astrophotography. The compact design and light weight make travelling with the mount easy.
The newly updated SmartEQTM Pro+ is a fully computerized mount with a database of 150,000 objects. It offers the next generation GOTO technology from iOptron. The Go2Nova® Hand Controller is intuitive with a large LCD screen, with which you can easily set up your telescope and select where you want to navigate.
The SmartEQTM Pro+ is universally compatible with any tubes using a Vixen-style dovetail connection, making it useful for beginners as well as hobbyists with multiple tubes. |
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| Features |
- Optical Design: Air-Spaced Doublet Achromatic Refractor
- Clear Aperture: 102mm
- Focal Length: 663mm
- Focal Ratio: f/6.5
- Resolving Power: 1.14 arc seconds
- Coatings: Fully Multi-Coated
- Limiting Stellar Magnitude: 12.5
- Focuser: Two-Speed Crayford-Style, w/ Adjustable Tension and Lock
- Finder Scope: 8x50 Straight; Adjustable Objective Focus; Dual-Ring, Six-Point, Bracket w/Quick Release Shoe
- Cradle/Saddle Plate: Dual Ring Style - Fits Explore Scientific Mounts; and Other Third Party Mounts that Accept Vixen-Type Rail
- Tube Diameter: 3.96" - 100.7mm
- Dew Shield Diameter: 7.5" - 100.7mm
- Tube Length (eyepiece holder to end of dew shield: 25.5" - 648mm
- Tube Construction: Aluminum; Stainless Steel
- Optical Tube Assembly Weight (with all standard accessories): 11.3 lbs - 4.67 kg
- Shipping Box Dimensions: 40 x 10 x 10 inches; 101.6 x 25.4 x 25.4 cm
- Shipping Weight: 17 lbs; 7.7 kg
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| Smart EQ PRO+ GoTo Features |
- Specialized Grab N’ Go mount ideal for visual observer and wide field astro-photographer
- Portable, compact, and sturdy German equatorial mount that is easy to travel with
- Payload: 11 lb (5 kg) (excluding counterweight)
- Mount weight: 6.2 lb (2.8 kg)
- Metal wheels and worm shafts
- Dual-axis servomotor with optical encoder
- Drive motor with 9-speed setting for precise tracking
- Resolution: 0.5 arc second
- Go2NovaTM 8408 controller with Advanced GOTONOVA® GoTo Technology
- Over 150,000 celestial objects for easy surfing
- Low power consumption (8 AA batteries for 16 hours consecutive tracking)
- Retractable counterweight shaft
- ST-4 compatible Guiding Port
- AccuAlignTM illuminated polar scope
- Serial port for firmware upgrade and computer controller
- Vixen-type dovetail saddle
- 3/8" threads mounting base
- Standard 1.25 inch heavy-duty stainless steel tripod (5.9lbs)
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| Scope of Delivery |
- ES AR 102 Doublet Telescope
- Smart EQ PRO+ EQ GoTo Mount
- Height Adjustable Steel Tripod
- Removable Dew Shield
- Front and Rear Dust Covers
- Cradle Rings with Handle and Univsersal Saddle Plate
- Two-Speed Focuser 2.0" I.D.
- 8x50 Finder Scope with Six Point Adjustable Bracket
- 2.0" 99% Reflective Mirror Diagonal with 1.25 " Adapter
- 1.25-inch tripod with accessory tray
- One 1 kg (2.2 lbs) counterweight
- Accessory Tray
- Go2Nova® 8408 Hand Controller
- One hand controller cable
- AccuAlignTM polar scope installed
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| TECHNICAL DATA |
| Field of application |
Deep Sky Observation
Deep Sky Photography
Lunar observation
Lunar photography
Planetary observation |
| Focus Group |
Beginners |
| Product Family |
Refractor Telescope |
| TELESCOPE OPTICAL SPECIFICATIONS |
| Optical design |
Achromatic Refractor |
| Maximum recommended magnification |
200 |
| Mirror/Lens diam. |
102 mm |
| Focal length |
663 mm |
| Angular resolution |
1.3 arc seconds |
| Type of coating |
Enhanced Multilayer Desposition (EMD) |
| Finderscope |
8 x 50 mm |
| Width of image field width 24x36 mm receiver |
3 degrees |
| Height of image field width 24x36 mm receiver |
2 degrees |
| Mount Type |
Optics without Mount |
| SMART EQ Pro+ GoTo SPECIFICATION |
| Mount |
German Equatorial Mount |
| Payload |
11 lbs (5kg), exclude counterweight |
| Mount weight |
6.2 lbs (2.8kg) |
| Latitude adjustment range |
0º ~ 65º |
| Azimuth adjustment range |
± 10º |
| Right Ascension worm wheel |
Φ60mm, 120 teeth |
| Declination worm wheel |
Φ60mm, 120 teeth |
| Right Ascension axis shaft |
Φ25mm steel |
| Declination axis shaft |
Φ25mm steel |
| Right Ascension bearing |
Φ42mm |
| Declination bearing |
Φ42mm |
| Motor drive |
DC servo with optical encoder |
| Resolution |
0.5 arc seconds |
| Hand Controller |
Go2Nova® 8408 with 150,000 objects database |
| Tracking |
Automatic |
| Speed |
1×,2×,8×,16×,64×,128×,256×,512×,MAX(~4º/sec) |
| Counterweight shaft |
Φ16mm |
| Counterweight |
1 kg (2.2 lbs) |
| Shaft Dia |
16 mm |
| Dovetail |
VIXEN |
| Tripod |
1.25” Stainless Steel (5.7lbs or 2.6kg) |
| Polar Scope |
AccuAlignTM bright field illuminated |
| Power consumption |
0.1A(Tracking), 0.3A(GOTO) |
| Power requirement |
DEC 9 ~12V, 1 amp |
| Battery |
8AA (not included) |
| Serial port |
Yes (on hand controller) |
| Autoguide port |
ST-4 compatible |
| Firmware upgrade |
Yes |
| PC computer control |
Yes (ASCOM) |
| Shipping weight |
3220: Mount Head : 5.000 Kg
3221 : 1.25" Tripod : 3.600 Kg
Gross weight : _ _ _ _ |
| GENERAL Telescope TECHNICAL DATA |
| Material OTA |
Aluminium |
| Transportability |
very good |
| Focusing system |
2" Crayford-Focuser with 10:1 Reducer |
| Colour |
white |
| Dust protection caps |
Dust protection caps for front lens and eyepiece holder |
| Telescope DIMENSIONS & WEIGHTS |
| Net weight OTA (incl. accessories) |
4.7 kg |
| Tube diameter |
101 mm |
| Eyepiece Barrel Diameter |
50.8 mm |
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WARNING |
This device focuses a lot of light.
Looking directly at the SUN through this device can result in partial or complete loss of vision.
For observing the SUN, we recommend you buy a 'Solar Safety Film' for this Telescope. |
| Buy 1000 OAKS Solarite Safety Film |
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| Suggested Accessories with this Telescope |
SOLAR FILTER
- R-G Solar filter (USA) provide more pleasing and natural Yellow-Orange image of the Sun . . . . Rs 1920
EYEPIECES (Super Premium Plossl for GSO)
- 40mm Plossl Eyepiece 1.25" . . . . Rs. 3000
- 32 mm Plossl Eyepiece 1.25" . . . . Rs 2820
- 25 mm Plossl Eyepiece 1.25" . . . . Rs. 2550
- 20 mm Plossl Eyepiece 1.25" . . . . Rs. 2460
- 15 mm Plossl Eyepiece 1.25" . . . . Rs. 2280
- 12 mm Plossl Eyepiece 1.25" . . . . Rs. 2100
- 6 mm Plossl Eyepiece 1.25" . . . . Rs. 2100
- 4 mm Plossl Eyepiece 1.25" . . . . Rs. 2100
- GSO SuperView 15mm 1.25" Wide Angle Eyepiece . . . . Rs. 3000
- GSO SuperView 20mm 1.15" Wide Angle Eyepiece . . . . Rs. 3000
- GSO SuperView 30mm 2 " Wide Angle Eyepiece . . . . Rs. 4800
- GSO SuperView 42mm 2" Wide Angle Eyepiece . . . . Rs. 4800
- GSO SuperView 50mm 2" Wide Angle Eyepiece . . . . Rs. 4800
- EXPLORE SCIENTIFIC 52° LER EYEPIECE 1.25" (WP)
- GSO 2 inch Mirror Star diagomal 2" . . . . . Rs 5700
- GSO - 2" 99% Dielectric Mirror Diagonal CNC . . . . Rs 7500
- GSO - 2" 99% Dielectric Quartz Mirror Diagonal CNC
- Star diagonal 90° Mirror Right Angled 1.25" OD - Made in Taiwan . . . . Rs 2100
- GSO 8x50 Straight Finder Telescope . . . . Rs 3900
BARLOW
- GSO 2x ED-Barlow-Lens (Multicoated) 2". . . . Rs.4800
- GSO 2X Achromatic BARLOW LENS- fully multicoated 1.25" . . . . Rs. 2100
- ED 3X Barlow Lens GSO 1.25" . . . . Rs. 3630
- 3 Elememt 2.5x Barlow GSO 1.25" . . . . Rs. 3000
- 3 Elememt 5x Barlow GSO . . . . Rs. 3900
CAMERA ATTACHMENTS
- T-RING Nikon . . . . Rs. 930
- T-RING Canon . . . . Rs 930
- T-RING SONY E-Mount . . . . Rs 2550
- T Adapter 1.25" . . . . Rs. 840
- Super ACHROMATIC (MultiCoated /High Colour corrected) 2X BARLOW 1.25" OD, 2 ELEMENT LENS with T-thread for direct camera attachment /with Brass compression ring / GSO. . . . Rs. 3,000
- 2 inch T-2 Camera Adapter . . . . Rs 1650
- Eyepiece Projection Camera Adapter . . . . Rs. 2280
- Universal Cell Phone Adapter . . . . Rs. 1200
- GSO 1.25" 32mm Camera Projection Lens (CPL) eyepiece ... Rs. 3,900
- GSO 1.25" 40mm Camera Projection Lens (CPL) eyepiece ... Rs.4,080
- GSO 2" 30mm Camera Projection Lens (CSV) eyepiece ... Rs.5,700
- GSO 2" 42mm Camera Projection Lens (CSV) eyepiece ... Rs.5,700
- GSO Extension Rings Kit for M42 Cameras . . . . Rs 2280
- GSO Extension Rings Kit for M48 Cameras . . . . Rs 2550
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