rjc404
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Skywatcher/OVL Hyperflex 7.2-21.5mm zoom eyepiece - T-Thread???
rjc404 replied to rjc404's topic in Discussions - Eyepieces
Thanks to all for replying so far. Oh well, no T-thread... but I haven't really found someone who dislikes these zooms so some thinking to do... The only other one in a similar price range with these is the Celestron 8-24, which does have a T-Thread hidden under the eye-cup - will have to check out some reviews of that to see how it performs. f it doesn't appear as good I might go for one of the generic Hyperflexes above anyway. I am half tempted with the Baader 2.25 barlow as that's still quite cheap in a few places. https://www.rothervalleyoptics.co.uk/celestron-8-24mm-zoom-eyepiece-125.html and this Q&A which confirms the 93230 does have t-thread https://www.celestron.com/blogs/knowledgebase/does-the-93232-deluxe-zoom-eyepiece-have-t-threads (but not filter threads on the barrel :/) -
Does anyone who has one of these zoom eyepieces know if there is a t-thread hidden under the twist-up rubber eye-cups like there are on some other zooms? I don't have a zoom in my set yet and don't want to break the bank. I just aim to use it mainly for visual e.g. being lazy with one 'no faff' eyepiece or when I'm being more dedicated, scoping out the seeing at different magnifications before changing to a dedicated eyepiece. I'd only use it for occasional photography but would rather buy one with a T-thread. For reference here are the different branded versions I can find: OVL Hyperflex version: https://www.firstlightoptics.com/ovl-eyepieces/hyperflex-72mm-215mm-eyepiece.html Skywatcher Hyperflex version: https://www.365astronomy.com/SkyWatcher-HyperFlex-7E-7.2-21.5mm-High-Performance-Zoom-Eyepiece.html I had read in the previous thread that the Lunt version of this zoom is also generic but the only one I can find looks quite different and is twice as expensive and has a different field of view so not sure about that? https://www.firstlightoptics.com/lunt-solar-accessories/lunt-125-zoom-eyepiece-72mm-215mm.html Thanks for any feedback (or any other recommendations for circa £100 zoom lens that might have a hidden T-thread)!!!
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From the album: Comets
Widefield of Comet Lovejoy from 24 January 2015. Taken with a Canon EOS 700d and very cheap 50mm f1.8 lens. First time I've used this lens for shooting the sky and f1.8 was probably too much aperture as it seemed to make focus difficult. I'll try stopping down next time© Rob Carlton
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From the album: Comets
7 45 second images taken on an EOS 700D with a fairly old 55-250 IS Lens on an EQ3/2 at 250mm and hand stacked in Photoshop as DSS proved problematic.© Rob Carlton
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From the album: Comets
Overexposed image taken on an EOS 700D with a fairly old 55-250 IS Lens on an EQ3/2 at 250mm.© Rob Carlton
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From the album: Comets
Quick test shot taken as Lovejoy came into view from behind the trees that block most of my southerly view.© Rob Carlton
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From the album: First light from new house
© Rob Carlton
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From the album: First light from new house
© Rob Carlton
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From the album: First light from new house
Nothing special but finally managed to get the telescope unpacked after moving about a month ago. Mount still up and working after a little tinkering. Think this edge of Cambridgeshire must have less light pollution than Coventry where I moved from as I would never have got this from 3 minutes of data there. -
From the album: Moon
One processed raw image of the moon from 7 March. Single shot at ISO 100 1/60 second.© Rob Carlton
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Moon through my Skywatcher 150PL. Might as well do something when the moon is up!
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Just seen the first snow showers of 2014 in Cov
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Clear skies and a beautiful rising moon in low cloud to the East but just enjoying using the bins tonight
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First fumbling attempts at planetary imaging
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From the album: Planets
10 runs put together for a short animation from 11 January 2014© Rob Carlton
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From the album: Moon
A final reprocess of a raw image I took of the moon on the 11 Jan. Maybe over-processed but this was the best image from about 50 raw shots taken on burst mode on my DSLR attached my scope.© Rob Carlton
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Jupiter 9 November AM Skywatcher 150PL and Philips Toucam
rjc404 commented on rjc404's gallery image in Member's Album
That's a good shot with no barlow. Are you using a !50pl as well or a different scope? Surprised you can't get focus with a barlow as it's essentially another eyepiece. Have you tried to get sharp focus on a star or the moon first to get close to the focus you need for Jupiter? I know on my scope when I use a barlow it's harder to focus as the fov gets smaller and everything wobbles more. I've not heard of IRIS i'll have to check it out. On my latest efforts, after sharpcap I now go through PIPP then Autostakkert and then wavelets in Registax -
From the album: Planets
Latest go at our favorite gas giant. Taken through a 2x barlow attached to my Toucam at full gain.© Rob Carlton
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From the album: Planets
Still learning. Again hard to get focus as seeing wasn't great - though I think a Skywatcher auto-focus control would help as the image wobbles everywhere when I try to focus it manually when barlowed. Probably could do with a better Barlow as still using the Skywatcher one that came with the scope. Processed in PIPP, Autostakkert and wavelets in Registax.© Rob Carlton
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Reprocess of 23.11.13 using Autostakkert instead of Registax
rjc404 posted a gallery image in Member's Album
From the album: Planets
Reprocessed this in Autostakkert and finally figured out how to use wavelets in Registax afterwards. Still a bit out of focus but no software is going to cure that.© Rob Carlton
