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Posts posted by johninderby

  1. Made in the same factory and can have any brand name the buyer chooses. Many eyepieces and other items are the same but sold under several brands. Sometime the buyer may have different rubber moldings made to make them look a bit different.

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  2. 11 hours ago, ScouseSpaceCadet said:

    As above. With the Skymax 102 I tend not to bother with a counter weight unless the dslr is attached.  When observing with the 150i I did and do so with the 102/714mm refractor. Then jury's out as to whether it really matters, but as Steve wrote, it's an attempt to spread the load.

    I've been tempted by one of these in the past:


    However, I've not read any 100% positive reports concerning the device's real effectiveness and can't afford to splash out on stuff just to see.

    There is one in the sales section.


    I had one and it worked really well with a 127 mak. Got perfect balance which greatly reduced the strain on the motors.


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  3. An 8” dob is quite easy to carry for most as you can carry the base first then the OTA seperately. The dob is a better all rounder that will give better views than the 127 mak. Pity the Bresser 8” dob is backoredered but it is a better specce£ scope than the Skywatcher with a great focuser.


    The 127mak on a manual alt az mount is a very popular very portable setup.

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  4. Small pinholes actually aren’t a problem. This is from Baader’s instructions.

    Before each solar session carefully inspect your AstroSolar filter for mechanical damages, broad scratches, streaks, extensive whipe marks and other quality degrading influences. Small pinholes do not degrade the eye safety or image sharpness of AstroSolar.
     Hold the filter at arms length towards the daylight sun to detect dangerous defects. Small pinholes may become visible but will not be dangerous, because the light going through will be dispersed across a wide area like in a “camera obscura”. This scattered light however will cast a “hue of light” to slightly overlay the solar image information and reduce image contrast somewhat.
    For highest photographic performace and when using large telescope apertures at high magnification it is therefore advisable to “blacken out” these pinholes. Use thick black laquer (black paint) and directly apply the paint onto the inner (telescope) side of AstroSolar with a very thin, sharp brush to just cover the size of the pinhole while holding the filter towards the sun.


    BTW the genuine Baader film is made in Germany.

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