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Old 25-10-2013, 11:15 PM
Digital_Artist
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Any idea about this Motorized focuser?

I just stumble upon this Chinese astroshop site and found out that they are selling a motorized focuser for RC8 telescope which is relatively cheap (Yuan 2200 equals to USD 362.

http://www.astroshop.com.cn/product_detail-1296.htm

Do anyone have any idea about its quality?
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Old 26-10-2013, 02:27 AM
Stardrifter_WA
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Quote:
Originally Posted by Digital_Artist View Post
I just stumble upon this Chinese astroshop site and found out that they are selling a motorized focuser for RC8 telescope which is relatively cheap (Yuan 2200 equals to USD 362.

http://www.astroshop.com.cn/product_detail-1296.htm

Do anyone have any idea about its quality?
Interesting, but not very elegant when compared to the JMI focuser, which has a tiny motor build in. I would expect the rubber band will degrade over time and probably stretch, which is what I would be worried about, particularly if they are anything like the rubber on focus knobs, which perished over time.

Anyway, I use the JMI because of their discrete motors.

http://www.jimsmobile.com/images/ev_1cm_ls6.jpg

http://www.jimsmobile.com/images/ev_1nm_6.jpg

The EV 1 cm would be a better focuser, I would expect, but then, it is more expensive.

Cheers Pete
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