Brand: SharpStar

Askar M54 Filter Drawer (M54FD)

M54FD

Brand: SharpStar

Askar M54 Filter Drawer (M54FD)

M54FD

$201.15 CAD

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$201.15 CAD

Easy Payment Options with .

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Product Description

Specifications

Basic Components

Name Function Feature
Main body of Askar filter drawer Accommodate the filter slider
Connect the telescope and the astronomy camera
Smooth coating
Classic Askar logo
Filter slider Carry the filters
Swap different filters
Designed with threads and circular groove for the attachment of both mounted and unmounted filters
The filter slider with the smallest opening is used for the attachment of 1.25" mounted filters and 31mm unmounted filters
The middle-opening filter slider is used for the attachment of 36mm unmounted filters
The slider with the largest opening is used to attach 2" mounted filters and 50mm unmounted filters
Adapters at the telescope side To connect the filter drawer and the telescope Designed with M42, M48 and M54 thread
Adapters at the camera side To connect the filter drawer and the camera Designed with M42, M48 and M54 thread
Filter holding ring To securely hold the unmounted filter Three different sizes
M2×4 countersink screw
M1.27 wrench
To fix the filter holding ring onto the filter slider
M3×2.5 grub screw
M1.5 wrench
To adjust the space between the main body and the camera adapter
M3×8 countersink screw
M2 wrench
To fix the camera adapter on the main body


Assembly Steps

Users have to follow the certain steps to successfully assembly the Askar filter drawer and put it into the light path to fit the whole optical system:

  1. Take out the main body of Askar filter drawer
  2. Choose a proper camera adapter according to the thread type of your astronomy camera
  3. Fix the camera adapter on the main body with 5 M3×8 countersink screws and wrench of M2
  4. Choose a proper telescope adapter according to the thread type of your telescope
  5. Thread on the telescope adapter
  6. Connect the filter drawer and your telescope
  7. Connect your astronomy camera and the filter drawer
  8. Make sure that these accessories are tightly connected and the whole system has a correct back focus. You can add extra spacers(optional) to reach the required back focus
  9. Choose a proper filter slider according to the filter you are going to use. If it’s a 1.25" or 2" mounted filter, directly thread it onto the filter slider. And if it’s a 31mm, 36mm or 50mm unmounted filter, gently put the filter into the circular groove and superimpose a filter holding ring, fix the holding ring with 3 M2×4 countersink screws and the wrench of M1.27 to securely hold the filter between.
  10. Insert the filter slider into the Askar filter draw and it’s ready for astrophotography

Customer Reviews

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D
D.G.
Askar M54 filter drawer

I think this is the only filter drawer in the market that allows you the use of different filter sizes (mounted or unmounted) without the need of buying extra accessories. I would highly recommend it.
On the other hand, All-Star Telescope delivered it promptly and without inconvenience.

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