celestron-6-150mm-f6-newtonian-telescope-ota-oncele

Description

celestron-6-150mm-f6-newtonian-telescope-ota-oncele
You need to use your own Mount and tripod to use this telescope OTA

6” (150mm) f/5 optical design gives excellent wide field views

Parabolic primary mirror minimizes spherical aberration to produce a better image

Dual saddle plate is compatible with narrow CG-5 dovetails and wider CGE dovetail. Also compatible with Vixen format dovetails longer than 100mm, but not compatible with Losmandy D format plates.

Accessories include a 20mm eyepiece and 6×30 finderscope

Optical Design:    Newtonian Reflector

Aperture:    150mm (6″)

Focal Length:    750mm (30″)

Focal Ratio:    f/5

Focal Length of Eyepiece 1:    20mm (.8″)

Magnification of Eyepiece 1:    38x

Finderscope:    6×30

Star Diagonal:    N/A

Optical Tube:    Aluminum

Highest Useful Magnification:    354x

Lowest Useful Magnification:    21x

Limiting Stellar Magnitude:    13.4

Resolution (Rayleigh):    .93 arc seconds

Resolution (Dawes):    .77 arc seconds

Light Gathering Power (Compared to human eye):    459x

Secondary Mirror Obstruction:    44mm (1.75″)

Secondary Mirror Obstruction by Diameter:    30%

Secondary Mirror Obstruction by Area:    8.78%

Optical Coatings:    Fully Coated

Optical Tube Length:    686mm (27″)

Optical Tube Diameter:    184.15mm (7.25″)

Optical Tube Weight:    10 lbs (4.54 kg)

Dovetail:    CG-5 Dovetail bar

Never look directly at sun-would damage eyes