Geoptik Telescope N 250/1250 Formula OTA

Optics

Type

Reflector

Type of build

Newton

Aperture (mm)

250

Focal length (mm)

1250

Aperture ratio

5

Resolving capacity

0,46

Limit value (mag)

13,8

Light gathering capacity

1280

Max. useful magnification

500

Tube material

Aluminium

Eyepiece holder

Type of build

Crayford

Connection ( to eyepiece)

2

Gear reduction

1:11 fine focusing

Mount

Mounting type

no mount

Type of build

OTA

Tracking

no

Included accessories

Finder scope

8x50

Prism rail

Vixen-Style

Tube clamps

yes

Carrying case

no

Eyepiece adaptor

1.25" - 2"

General

Series

Formula

Area of application

Moon & Planets

yes

Nebulae & galaxies

yes

Nature observation

no

Astrophotography

yes

Sun

not recommended (Only with appropriate Sun filter)

recommended for

Beginners

no

Advanced

yes

Experienced amateurs

yes