Celestron FirstScope 21024 Manuale di istruzioni - Pagina 16

Sfoglia online o scarica il pdf Manuale di istruzioni per Microscope Celestron FirstScope 21024. Celestron FirstScope 21024 16. Firstscope

To enhance the enjoyment of your FirstScope, Celestron offers a FirstScope Accessory Kit (# 21024-ACC) and also various

other accessory items. Details are available on the Celestron website.

Optical Design

Aperture

Focal Length

Focal Ratio

Optical Coatings

Eyepieces - 1.25" Barrel

Apparent FOV -- 20mm @ 25° and 4mm @ 33°

Angular Field of View w/20mm eyepiece

Linear FOV w/20mm –ft@1000yds/m@1000m

Limiting Stellar Magnitude

Resolution -- Raleigh (arc seconds)

Resolution -- Dawes Limit " "

Light Gathering Power

Optical Tube Length

Telescope Weight

Check out an excellent selection of optical equipment & accessories we offer on our website.

Model # 21024

Newtonian reflector

76mm (3.0")

300mm

f/4

Coated

20mm (15x), 4mm (75x)

1.7°

89/29

11.9

1.82

1.53

118x

10.5" (26.7cm)

69oz (2kg)