Explore Scientific 16" F/4.5 Dobsonian Telescope
- Product Code: eq70038
-
Sporting the extremely large light bucket users have come to expect from a Dob, the Explore Scientific 16" f/4.5 Dobsonian Telescopegives users exceptional performance with a low dollar-to-aperture cost. Its oversized parabolic primary mirror is highly reflective and corrects spherical aberration to eliminate distortion across the entire field of view, especially at the edges.
The large 16" aperture draws in a tremendous amount of light to reveal awe-inspiring details of the moon and planets. Deep sky objects will be visible, even for inexperienced observers, and bright star clusters can be resolved to their core. Its f/4.5 focal ratio and 10:1 dual-speed helical focuser make this an ideal choice for imaging. The fast focal ratio enables devices to capture images in less time than slower scopes, while the unique focusing mechanism employed in the helical design gives it the ability to achieve tack-sharp focusing with zero backlash that rack-and-pinion focusers are generally unable to. This 2" focuser will accept larger eyepieces so users can enjoy a truly immersive visual experience and will ensure larger imaging sensors are completely covered.
The rocker box weighs in at 22 pounds and provides a rock-steady observational platform with very-low vibration. This rocker mount features high-altitude bearings with aluminum structures that allow for fine adjustment flows at high magnifications, and dual radial primary mirror fans to quickly adjust the temperature to reduce distortion. Finally, the tension control handle allows users to adjust the settings, enabling them to move the mount easily and smoothly by hand with minimal vibration and maintain its position when released.
16" / 406.4mm Aperture 1826mm Focal Length, f/4.5 Focal Ratio 10:1 2" Two-Speed Helical Focuser Red-Dot LED Finderscope Floor-Based Manual Alt-Az Mount Altitude Tension Clutch Dual Radial Main-Mirror Fans Tool-Free Breakdown and Assembly
Parameters | |
---|---|
Optical Design | Dobsonian reflector |
Aperture | 16" / 406.4 mm |
Focal Length | 1826mm |
Focal Ratio | f/4.5 |
Eyepiece Barrel Diameter | 2" |
Diagonal | N/A |
Finderscope | Red dot LED |
Tripod | None |
Mount Type | Manual alt-az |
Power Source | 8 x AA batteries, for fans |
Optical Tube Dimensions | Not specified by manufacturer |
Weight | Primary mirror: 66.1 lb / 30.0 kg Rocker box: 22.0 lb / 10.0 kg Total: 88.1 lb / 40.0 kg |
Packaging Info | |
Package Weight | 109 lb |
Box Dimensions (LxWxH) | 50 x 25.5 x 19.5" |
- 16" aperture
- f/4.5 focal ratio
- 1826mm focal length
- Highly reflective mirrors increase image brightness
- 72mm secondary mirror, 25% obstruction
- Dual radial primary mirror fans adjust the mirror temperature to reduce distortion
- Runs on eight user-supplied AA batteries
- Includes collimation assist tool for adjustments in the field
- Manual rocker mount design
- High-altitude bearings for a wide adjustment and travel range
- Tension control handle allows for smoother rotation to reduce vibrations and limit over-compensation
- 10:1 dual-speed helical
- Accepts 2" eyepieces and accessories
- Helical focusers use a toothless design that allows for smooth and precise focusing without backlash
Related Questions and Answers
Q: 1. I have a 114 mm telescope I know this would probably be too big do you have a recommendation anything close would be good.
A: 114mm = 4.48819 inches. The closest size rings B&H would carry would be the Tele Vue Mount Ring Set for 4" OTAs BH #TEMTS4Q • MFR #MRS-4011 or the Vixen Optics Tube Rings with 115mm Inner Diameter (Pair) BH #VITRW115 • MFR #ES2665
Q: 2. Hi, I would like to know The dimensions of the tube, the Ota, how long is the tube, please?
A: The OTA is 24.25 inches in length. 4.38 inches in diameter and weighs approximately 5.60 lbs.
Q: 3. Can I change the focuser's position to opposite side of a tube?
A: No, you cannot.
Q: 4. Is this the Generation II scope?
A: It is the second generation.
Q: 5. Can I change the focusor's position to the opposite side?
A: Unfortunately no, the focuser location cannot be changed.
Q: 6. what is its shipping box's packed weight ?
A: Unfortunately the question you're asking cannot be answered with our Q+A feature. Please contact our Sales directly for assistance.Email: Sales@bhphotovideo.com
Q: 7. Can you get a light shroud for the Explore Scientific 16 f/4.5 Truss Tube Dobsonian Telescope?
A: I have one from Explore Scientific, which cost $120. There are others online who make 16 Dobsonian shrouds for slightly less, but I decided to go with the sure fit and hassle-free in-stock order from the scope's manufacturer.
Q: 8. Does the mirror come with a center dot?
A: Yes it does.
Q: 9. Is this generation 2 telescope?
A: Yes it is!
Q: 10. Will this [safely] fit a 130mm (5.1") reflector tube?
A: This Cradle Assembly from Explore Scientific is a replacement for the cradle assembly included with the white 127mm telescope OTA but can also be used with other telescopes that would snugly fit its 5" inside diameter.
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