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Thumb screw size for old TV 1.8x Barlow?

Started by Matthew Trail , Apr 23 2025 08:31 PM

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#1 Matthew Trail

Explorer 1

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Posts: 58
Joined: 06 May 2024

Posted 23 April 2025 - 08:31 PM

To avoid lugging the Barlow to the hardware store, does anyone know for sure what the thumbscrew size is for the 1.8 Barlow? The folks at Televue thought it might be 8-32, but weren’t sure. It’s different from my TV 2.0 Barlow or my Ultima…Mine has gone missing. 🙂

Edited by Matthew Trail, 23 April 2025 - 08:32 PM.

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#2 TOMDEY

James Webb Space Telescope

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Joined: 10 Feb 2014
Loc: Springwater, NY

Posted 23 April 2025 - 08:50 PM

Order one of these on line and you will have the answer to this and similar questions for the rest of your life!

> immediately available when the question arises

> measures the exact item

> can be used to confirm that the hardware store singles indeed match

> no need to ask others half way around the world to check similars for you

> gets you back into action fastest

> allows you to confidently order parts knowing they will fit

> tags you as an expert at work and on the road

> leading to promotions

> leading to more telescopes and happiness

all because you spent a few bucks on a Thread Gauge Tom

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#3 Albie

Fly Me to the Moon

Posts: 5,791
Joined: 22 Feb 2005
Loc: Edmonton,Canada

Posted 23 April 2025 - 08:59 PM

Order one of these on line and you will have the answer to this and similar questions for the rest of your life!

> immediately available when the question arises

> measures the exact item

> can be used to confirm that the hardware store singles indeed match

> no need to ask others half way around the world to check similars for you

> gets you back into action fastest

> allows you to confidently order parts knowing they will fit

> tags you as an expert at work and on the road

> leading to promotions

> leading to more telescopes and happiness

all because you spent a few bucks on a Thread Gauge Tom

That tool is something I needed many times over the years . Instead I would go through my screw collection one at a time to find the right size . I used to think that my dad was a nut case for saving screws he had or found , then I became the nut case , lol .