National Geographic Refractor 70/900 Telescope

$National Geographic Refractor 70/900 Telescope$

National Geographic Refractor 70/900 Telescope

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Ships in 1 month or more

Return time

15 days

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National Geographic Refractor 70/900 Telescope Product description

National Geographic Refractor 70/900 Telescope

General properties

Manufacturer	National Geographic
Telescopes series	National Geographic Refractors
Made in	-
In production since	-
Warranty	5 years
SKU	9071000

Optical properties

Optical design of telescope	Refracting telescope
Lowest (useful) magnification.	49.62 x
Highest (useful) magnification.	371.58 x
Optical tube size - diameter	-
Optical tube length	-
Optical tube weight	-
Aperture.	14.11 mm
Focal length.	900.00 mm
Focal ratio.	$14.16
Eyepiece 1 - Focal Length	4 mm
Eyepiece 1 . magnification	225 x
Eyepiece 2 - Focal Length	12 mm
Eyepiece 2 . magnification	75 x
Eyepiece 3 - Focal Length	20 mm
Eyepiece 3 . magnification	45 x
Light-gathering power.	110.64 x
Limitting stellar magnitude.	$13.28
Rayleigh Resolution.	2.18 Arc seconds
Dawes Resolution.	1.84 Arc seconds

Recording properties

Image capturing	No
Photo adapter	No

Mounting properties

Mount type of build	Multi-Purpose mount
Tripod compliant	Yes
Type of tripod	Adjustable
Tripod material	Aluminium

Navigation properties

Software for Stellar Navigation	-
GoTo Telescope Control	No
GoTo Telecope Language	-
Telescope GoTo control interfaces	-
Telescope Alignment method	-
Integrated GPS	No
Tracking	No
Track rate	-
Track mode	-
Telescope Guiding	-
Slow motion controller	yes, both axes
Slew Speed	-
Com. Port	-
Remote Hand Control	No

Physical properties

Power Supply Unit	-
Lens coatings	Fully Multicoated
Eyepiece barrel size	-
Eyepiece angle	90°
Barlow diverging lens	-
Level	No
Color	Black

Special features

Finder - Scope	6x25
Recommended for	Beginners
Suitable for observing	Galaxies, Moon, Planets, Terrestrial

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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.

hi, Would this 900-70 telescope suit long distance viewing out to sea from land. What range would it have. regards Jack

by Jack

Dear Jack,

Thank you for your inquiry.

National Geographic Refractor 70/900 Telescope is a very versatile telescope suitable for both terrestrial and astronomical use, and therefore we think it is suitable for long-distance observations.

We, however, do not have the exact data about the range of this telescope. We kindly apologize.

Should you need any further assistance, please do not hesitate to contact us again.

Kind regards

by Optics Trade team

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National Geographic Refractor 70/900 Telescope Product description

General properties

Optical properties

Recording properties

Mounting properties

Navigation properties

Physical properties

Special features

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