Mounts
-
Localization settings
Compare
You have no items to compare.
Shopping Cart
You have no items in your shopping cart.
National Geographic 90/900 Refractor Telescope
National Geographic 90/900 Refractor Telescope
National Geographic 90/900 Refractor Telescope
$249.00
National Geographic 90/900 Refractor Telescope
Shipping Assistant
Choose your delivery destination & delivery service
Your location will be kept while looking for other products.
You can pay with all popular payment methods.
Changing Location
National Geographic 90/900 Refractor Telescope Product description
National Geographic 90/900 Refractor Telescope
SCOPE OF DELIVERY
OTA
Mount
Aluminium tripod
Eyepieces 31.7mm (1.25"): H-20mm, H-12mm, SR-4mm
3x Barlow Lens
Moon filter
LED viewfinder
Star map
General properties
| Telescopes series | National Geographic Refractors |
|---|---|
| Made in | - |
| Warranty | 5 years |
Optical properties
| Optical design of telescope | Refracting telescope |
|---|---|
| Lowest (useful) magnification. | $12.80 |
| Highest (useful) magnification. | $180.00 |
| Aperture. | $90.00 |
| Focal length. | $900.00 |
| Focal ratio. | $10.00 |
| Eyepiece 1 - Focal Length | 20 |
| Eyepiece 1 . magnification | 45 |
| Eyepiece 2 - Focal Length | 12 |
| Eyepiece 2 . magnification | 75 |
| Eyepiece 3 - Focal Length | 4 |
| Eyepiece 3 . magnification | 225 |
| Light-gathering power. | $165.00 |
| Limitting stellar magnitude. | $11.70 |
| Rayleigh Resolution. | $1.50 |
| Dawes Resolution. | $1.20 |
Recording properties
| Image capturing | No |
|---|---|
| Photo adapter | No |
Mounting properties
| Mount type of build | EQ-3 |
|---|---|
| Tripod compliant | Yes |
| Type of tripod | Adjustable |
| Tripod material | Aluminium |
Navigation properties
| GoTo Telescope Control | No |
|---|---|
| GoTo Telecope Language | - |
| Telescope GoTo control interfaces | - |
| Telescope Alignment method | - |
| Integrated GPS | No |
| Tracking | No |
| Track rate | - |
| Track mode | - |
| Slow motion controller | Yes |
| Slew Speed | Manual |
| Com. Port | - |
| Remote Hand Control | - |
Physical properties
| Power Supply Unit | - |
|---|---|
| Lens coatings | Fully Multicoated |
| Eyepiece barrel size | 1.25'' / 31.75 mm |
| Eyepiece angle | 90° |
| Barlow diverging lens | 3x |
| Level | No |
| Total gear weight. | $9.44 |
Special features
| Finder - Scope | Red Dot |
|---|---|
| Recommended for | Beginners |
| Suitable for observing | Moon, Planets |
Reviews & Testimonials
No reviews
Do you have any experience with this product?
We would love to hear your opinion by rating it:
We would love to hear your opinion by rating it:
Community uploads
First-hand experience is priceless, therefore we always want to know how others use the product we're interested in. Feel free to contribute with your own photos or videos!
Upload photo/video
Most common questions (Q&A)
Need help? Not sure about something? Don't hesitate - ask our community! Our experienced community is here to help you with this question.