Astronomy Specialist

SKYWATCHER F/5 COMA CORRECTOR

$212.00 USD
SKU: SWA-F5COMA

Sky-Watcher


 

The SkyWatcher coma corrector for f/5 Newtonians is an indispensable accessory for the advanced astrophotographer.

The Newtonian telescopes have a fast focal ratio, a flat field and a small obstruction caused by the secondary mirror. These factors make Newtonian telescopes ideal for high resolution observations and astrophotography. 

The only relevant aberration that affects Newtonian telescopes is coma, an extra axial aberration that makes stars appear elongated or like comets. This aberration is more visible with short focal ratio Newtonians but it can be corrected with a coma corrector. 

The SkyWatcher coma corrector is specifically designed for Newtonians with a focal ratio of f/5. The telescope side has a female tread for 2" filters and on the eyepiece side it features a M48 x 0.75 male thread for T-2 rings or camera adapters. It can be used on any 2" focuser and it is supplied with an adapter for 2" eyepieces so it can also be used for visual observations.

 

Magnification factor

0.9 x

Barrel size

2 "

Elements

2 elements

Camera connections

M48 x 0.75

Working distance

55 mm from the M48 x 0.7 thread

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SKYWATCHER F5 COMA CORRECTOR.

SKYWATCHER F/5 COMA CORRECTOR

$212.00 USD

Optical design

Image circle

Focal ratio

Aperture

Focal length

Optical thickness

Threads

Cooled

Colour or Mono

Pixel size

Sensor dimensions

Resolution

Sensor diagonal

Quantum efficiency

Read noise

Fullwell capacity

Bit depth

FPS

Camera backfocus

Filter size

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Bandpass (FWHM)

Bandpass (FWHM)

Glass thickness

Mount type

Payload capacity

Latitude range

Dovetail saddle

Slew speed

Encoders

Periodic error correction

Counterweight shaft

Azimuth adjustment range

Internal diameter

Illuminated diameter

Compatible telescope external diameter

Weight

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