Astronomy Specialist

TESTAR ESATTO 3" M81 EXTENSION 10mm

$99.00 AUD
SKU: TE-EXT.M81.10

Testar

  • M81 x 1 Male
  • M81 x 1 Female
  • Optical thickness: 10 mm


The Testar Esatto 3" M81 Extension is a 10mm extension tube designed for the Prima Luce Lab Esatto 3" robotic microfocuser. With M81 x 1 threads on either side, it allows you to reach focus when using the ARCO rotator. 

Engineered in-house by us and made from CNC-machined and hard-anodized 6061-T6 Aluminium.


 

Optical length
 10 mm
Clear aperture
 76 mm
Outer diameter
 88 mm
Connection side A M81 x 1 female
Connection side B M81 x 1 male
SKU TE-EXT.M81.10

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TESTAR ESATTO 3" M81 EXTENSION 10mm

$99.00 AUD

Optical design

Image circle

Focal ratio

Aperture

Focal length

Optical thickness

Optical thickness: 10 mm

Threads

M81 x 1 Male, M81 x 1 Female

Cooled

Colour or Mono

Pixel size

Sensor dimensions

Resolution

Sensor diagonal

Quantum efficiency

Read noise

Fullwell capacity

Bit depth

FPS

Camera backfocus

Filter size

Filter size

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

Length

Width

Height

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