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URL: http://www.thaiexcite.com/Askar-5-in-1-M42-M48-M54-1.25-2-Filter-Drawer.html

Askar 5-in-1 M42 / M48 / M54 / 1.25" / 2" Filter Drawer

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คะแนนสินค้า

		(0 รีวิว)

ผู้ผลิต

Askar

จำนวนในสต๊อก

เหลือ 1 ชิ้น

น้ำหนัก

500.00 g

ราคาของเรา

฿5,290.00

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Askar 5-in-1 M42 / M48 / M54 / 1.25" / 2" Filter Drawer

Users are often racked by the task of choosing and matching dazzling filters as well as adapters when it comes to using a filter drawer. It just becomes more confusing for those who are quite new to astrophotography. To solve this problem, Askar introduces a multifunctional filter drawer.

The major feature or strength of this filter drawer is its integration of the most marketable filters, telescope and astronomy camera adapters. Users basically don’t need to worry about the related issues any more with this five-in-one filter installation device.

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

Schematics

Askar M54 Filter Drawer installation diagram

Askar M54 Filter Drawer 55mm back focus diagram