Addendum - Telescopes and Lenses

BRESSER Messier AR-90s/500

updated: 2022-11-14

Bresser Achromatic (AC) 90/500 Messier OTA (no longer in use!)

This is a cheap entry level telescope, light, fast (f/=5,5) and easy to handle.


Specifications

Type

Refractor

Type of build

Achromat

Aperture (mm)

90

Focal length (mm

500

Aperture ratio (f/)

5,5

Resolving capacity

1,28

Limit value (mag)

11,6

Light gathering capacity

170

Max. useful magnification

180

Tube weight (kg)

1,9

Tube length (mm)

480

Tube diameter (mm)

105

Tube construction

Full tube


Reference:

[1]: Astroshop: Bresser Telescope AC 90/500 Messier 









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