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hello every one im considering to buy the fcd100 102mm explore scientific apo carbon fiber telescope and want to add a field flattener and reducer to this telescope. i have a 650d canon dslr camera and wondering what kind of field flattener and reducer will be good for this setup... i saw on the internet couple of flattener/reducer and saw something for SV115 refractor and didnt know if it will be good for me... STELLARVUE 0.8X REDUCER FLATTENER FOR SV115 WITH 3" FT FOCUSER STELLARVUE 0.8X REDUCER FLATTENER FOR SV115 REFRACTORS WITH 2" FOCUSERS STELLARVUE 0.8X REDUCER FLATTENER FOR F/7 REFRACTORS WITH 2" FOCUSERS do you recommend for one of this or others? thank you very much!! |
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| depends on your size of focusser..do you have 2 or 3 inch ? |
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Well, i dont really sure. Im seeing people that are using 2 inch focal reducer flattener but in the website of explore scientific i read that this telescope have 2.5 inh hex foceser... here is a link of the telescope https://explorescientificusa.com/products/102mm-fcd100-air-spaced-triplet-in-carbon-fiber Thank you very much!! |
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its in the title....... with 2.5" HEX Focuser it shall have a 2 "adapter whit it. if you can get the 2.5 inch..go for it..if not..the 2 inch. 3 inch wont fit. |
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ok thanks! do you have any recommendation? maybe this? https://optcorp.com/products/stellarvue-focal-reducer-field-flattener-for-svr102t-telescope-with-2pt5-focusers i just dont know what are the best... thank you!! |
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well ,its a good brand. stellarvue is real good. Maybe you can buy it ,whit the option to bring it back if its not flatten enough. |
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it is sound that stellarvue is not very good... do you have any other suggestions to better reducer/flattener? maybe a 2" with adapter? thank you! |
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I have the Explore Scientific ED80 and use this field flattener (but it isn't also a focal reducer): https://www.hotechusa.com/category-s/4.htm |
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| WilliamOptics has a 0.8x reducer thats adjustable with threads so you can get the spacing just right. Its the Flat 6A II |
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| https://williamoptics.com/new-adjustable-flat6a-t-mount-not-included |
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| It threads directly onto the focuser, either M63 or M66 cant remember but should be in the details |
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thanks! but i want to buy field flattener that it is also a reducer, to save some money... ;) so if i will get the william optics field flattener reducer with the canon t mount it will fit to the explore scientific? because i saw that it have 2" focuser... thank you!!!!!! |
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I've been looking at just flatteners and found a couple on TS Optics too https://www.teleskop-express.de/shop/product_info.php/language/en/info/p10264_TS-Optics-PHOTOLINE-1-0x-APO-Full-Frame-Size-Flattener-with-M68-connector.html this should fit my Moonlight focus draw tube as well similar https://www.teleskop-express.de/shop/product_info.php/info/p2646_TS-Optics-PHOTOLINE-Full-Frame-APO-Corrector---Flattener-for-astrophotography.html The flattener MUST screw on - I've experience all sorts of squinting when using FF/FR in EP's - I won't go that route again - it needs to firmly screw in place to ensure it remains parallel |
