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Old 26-12-2018, 06:02 PM
azkaz (Aaron)
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1.25" extention tube

Hi, as listed above I'm chasing a 1.25" extension tube or as suggested by another poster, a 1.25" barlow measuring 50mm long

Thanks
Aaron

Last edited by azkaz; 27-12-2018 at 08:41 AM.
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Old 26-12-2018, 07:32 PM
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mental4astro (Alexander)
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Aaron,

One way to get a 1.25" extension tube is to remove the lens from a barlow. The resulting empty, lens-less tube is nothing more than an extension tube

Different barlows also have different length bodies, so you can find a wide range if "extension tubes" this way

Alex.
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Old 26-12-2018, 07:36 PM
azkaz (Aaron)
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Lol, great idea! Opens my options a bit. Don't have an old Barlow around sadly.
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Old 26-12-2018, 08:13 PM
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mental4astro (Alexander)
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Do you have a barlow? Do you require it for your purposes? If you need to get one, a cheap barlow will do the job, just male sure it isn't a plastic body. Or someone hete may have a cheap barlow and you can expand the search parameters of your ad. Purpose made extension tubes can be stupidly expensive bought new.
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Old 27-12-2018, 08:42 AM
azkaz (Aaron)
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Yes, I do already have a Barlow but can't achieve enough back focus with the camera I have.
 

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