Astronomy Specialist

GUIDESTAR 61 F/5.9 APO

$649.00

Color
Gold
Red
Quantity
- +

 

The William Optics GuideStar 61 is an apochromatic guide scope with a focal ratio of f/5.9 and a focal length of 360mm. Utilizing FPL-53 synthetic fluorite glass, the GuideStar 61 provides excellent aberration correction.

The GuideStar 61 is compatible with QHY, ZWO and many other guide cameras. The locking dew shield focuser allows you to easily reach the correct focus point. An extension tube is included to help reach focus with different cameras. The CNC-machined Vixen-style dovetail base is compatible with all William Optics saddle handles.

The GuideStar 61 can also be used as a widefield imaging telescope with the optional Flat61A field flattener.

 

 

Optical design

Apochromatic with FPL-53 lens

Objective diameter

61 mm

Focal length

360 mm

Focal ratio

f/5.9

Compatible flattener

William Optics Flat61A

Mount attachment

Vixen-style sliding-base

Focuser

Screw-type focuser

Camera connection

M54 x 0.75, 2"

Tube weight

1.44 kg

SKU

WO-M-GS61-GD (Gold), WO-M-GS61-RD (Red)

 

 

  • GuideStar 61
  • Vixen-style sliding-base
  • M54 to 2" adapter
  • Extension tube
  • Soft carry case

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