Search found 5 matches
- Fri Apr 14, 2023 6:56 am
- Forum: Solar Scope Modifications
- Topic: Quark Chromosphere Blockfilter Mod
- Replies: 64
- Views: 8011
Re: Quark Chromosphere Blockfilter Mod
Changing BF in Quark for bigger version make no sense just becouse built -in telecentric lens has less than 10mm diameter. Also, you can`t use any other typical filter as a replacement of a orignal BF. It will not work. Thats what i thought. Thanks. It does make sense if you mount it higher in the ...
- Thu Apr 13, 2023 7:44 pm
- Forum: Solar Scope Modifications
- Topic: Quark Chromosphere Blockfilter Mod
- Replies: 64
- Views: 8011
Re: Quark Chromosphere Blockfilter Mod
Changing BF in Quark for bigger version make no sense just becouse built -in telecentric lens has less than 10mm diameter. Also, you can`t use any other typical filter as a replacement of a orignal BF. It will not work.
- Wed Mar 29, 2023 12:45 pm
- Forum: Commercial Solar Filters/Cameras/Hardware
- Topic: Full aperture D-ERF vs sub-aperture D-ERF for TS 152mm f/5.9
- Replies: 16
- Views: 2330
Re: Full aperture D-ERF vs sub-aperture D-ERF for TS 152mm f/5.9
I used Baader CCD-R as a sub ERF with my TS 152/900 and it worked fine, but I always kept in mind that was only 2" filter placed on concentrated light beam, especially on tracking mount. Now i use full aperture Baader D-erf so no worries about safety, heating etc.
- Wed Feb 09, 2022 9:55 pm
- Forum: Commercial Solar Filters/Cameras/Hardware
- Topic: Why my Quark always refused to work...
- Replies: 34
- Views: 13548
Re: Why my Quark always refused to work...
I had the same problem and the BF seemed to be fine, but when I looked closer with strong light, the problem has been found inside BF between two optical surfaces. The outside surfaces (reflective and red) were ok, but inside definetly somethiing wrong happend with optical layers. Hard to say if it`...
- Tue Feb 28, 2017 10:29 am
- Forum: Solar Scope Modifications
- Topic: PST blocking filter specs.
- Replies: 25
- Views: 10435