iOptron

 

Product Details » Optical Tube Assemblies (OTAs)
Description
Features
Specifications
Sample Photos
Optional Accessories

90mm Refractor  - Black
# 8711

The iOptron® 90mm OTA (R90) is a great astronomy telescope that is a powerful yet portable enough to take anywhere. With fully multi-coated achromatic optics, the R90 reveals brighter and sharper images. The wide field of view of a 90mm objective lens and short 500mm (f/5.6) focal length are perfect for night sky observation, making it ideal for Moon, planets and larger deep-sky objects.

 

Comes with 2 optical eyepieces (10mm and 25mm) and a 45º erect prism diagonal, the R90 is also a good portable scope for bird watching and terrestrial observation. The equipped dovetail makes it fit to any telescope mount that accepts Vixen-style dovetail.

 

The R90 is an excellent mate for iOptron's CubeTM or CubeProTM GOTO telescope mount.

 

 

 

Price :  $189.00
 

90mm Refractor  - Black
# 8711
    • 90mm Refractor/ f5.6
    • Focal length 500mm
    • Two Optical Eyepieces (10mm and 25mm)
    • 45º Erect Prism Diagonal
    • Dust cap
    • Vixen dovetail plate
    • One year limited warranty

    Technical Specifications

    Optical Design

    :

    Air Spaced Doublet Refractor

    Aperture

    :

    90mm

    Focal Length

    :

    500mm

    Ratio

    :

    f/5.6

    Resolution Power

    :

    1.29 arc sec

    Limited Magnitude

    :

    11.5

    Highest Useful Magnification

    :

    180X

    Focuser

    :

    1.25" rack-and-pinion

    Eyepiece Adapter

    :

    1.25"

    Eye Pieces

    :

    25mm (20X) and 10mm (50X)

    Diagonal

    :

    45º Erect Prism Diagonal

    Warranty

    :

    One year limited

 
Price :  $189.00

90mm Refractor  - Black
# 8711
Optical Design : Air Spaced Doublet Refractor
Aperture : 90mm
Focal Length : 500mm
Ratio : f/5.6
Resolution Power : 1.29 arc sec
Limited Magnitude : 11.5
Highest Useful Magnification : 180X
Focuser : 1.25" rack-and-pinion
Eyepiece Adapter : 1.25"
Eye Pieces : 25mm (20X) and 10mm (50X)
Diagonal : 45º Erect Prism Diagonal
Warranty : One year limited
 
Price :  $189.00

90mm Refractor  - Black
# 8711
 
Price :  $189.00

90mm Refractor  - Black
# 8711
Price :  $189.00