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Author Topic: Tasco 1x 22 reticule fix  (Read 232 times)

Offline Pauly5

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Tasco 1x 22 reticule fix
« on: December 18, 2018, 11:05:04 PM »
I have this old scope, but the reticule has revolved a few degrees. Does anyone know if it's easy enough to remedy myself, or at least give it a go?
Lens looks filthy, but you can see the angle of the reticule.
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Offline Ed.

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Re: Tasco 1x 22 reticule fix
« Reply #1 on: December 19, 2018, 10:52:51 PM »
Worth a try.Youll need a set of jewelers screwdrivers, the 2 dollar shop sets are okay.flat and philip head drivers.Some reticules are fixed with tiny screws,some are glued,some have a fine thread on the side of the carrier.What ever you do,dont touch the cross hair if its a fine wire,if that snaps its game over.Used to be a guy in Auckland who repaired scopes and optical surveying equipment,and would re gas them for you also.Good luck.

Offline Pauly5

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Re: Tasco 1x 22 reticule fix
« Reply #2 on: December 19, 2018, 11:12:52 PM »
Thanks Ed, I will take care. They came with a gun ages ago, and have never used them, but have taken a liking to them and want to put them on a pistol.
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Offline Dvlnme

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Re: Tasco 1x 22 reticule fix
« Reply #3 on: December 21, 2018, 08:21:19 AM »
got a 1.75 to 5 x tasco here free to good home Paul if you want it,not a pistol scope but may suit your purpose mate,pm me if you interested yours if you want it
 cheers mike

Offline Akzle

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Re: Tasco 1x 22 reticule fix
« Reply #4 on: December 21, 2018, 09:11:00 AM »
Two words: Opticians Wrench.

I often bullshit them out of spring steel, grind to prefect fit, unscrew by hand.

Depends on the internals whether it's easily corrected. You can also replace reticle wire with spiders silk threads.
Take your time and make sure you put your thick glasses on, they're fiddly things.

Nice optic.
« Last Edit: December 21, 2018, 12:29:31 PM by Akzle »

Offline Akzle

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Re: Tasco 1x 22 reticule fix
« Reply #5 on: December 21, 2018, 12:25:40 PM »
what i expect you'll find is a tube with the X hairs at the eyeball end, wither the whole tube has been twisted, in which case you'll have to pull it. otherwise there might be a ring (usually glued) with the Xhair at the end which you should be able to pull and re-set. again, the difference between right and wrong is f*ckall.

Offline Pauly5

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Re: Tasco 1x 22 reticule fix
« Reply #6 on: December 22, 2018, 10:56:40 PM »
Thanks guys. I don't really need this, but I have it and want to fettle with it. Shall get my opticians wrench polished up
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Offline Pauly5

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Re: Tasco 1x 22 reticule fix
« Reply #7 on: December 25, 2018, 10:26:36 PM »
I unscrewed the eye relief end and it came off. I can see the reticule is etched onto glass and seems to be held in place by a threaded collar. I would need a tool to loosen the collar, reposition the cross hairs and tighten. Sounds easy with the right tool.
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Offline Akzle

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Re: Tasco 1x 22 reticule fix
« Reply #8 on: December 26, 2018, 04:51:38 PM »
I unscrewed the eye relief end and it came off. I can see the reticule is etched onto glass and seems to be held in place by a threaded collar. I would need a tool to loosen the collar, reposition the cross hairs and tighten. Sounds easy with the right tool.


That'd be an opticians wrench :D

i googled it, and didn't find anything useful. it's the bottom left thing in this pic:


as said, if you can find and grind flat bar or steel strapping, they can usually be used to good effect, like a large flatblade screwdriver.
unless the rings have been loctited.

Offline Akzle

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Re: Tasco 1x 22 reticule fix
« Reply #9 on: December 26, 2018, 04:55:58 PM »
https://www.thorlabs.com/Images/GuideImages/1430_SpannerWrenchs_9.jpg


pic link. not showing up for me in previous post.



Offline Akzle

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Re: Tasco 1x 22 reticule fix
« Reply #10 on: December 26, 2018, 04:56:56 PM »
https://www.thorlabs.com/Images/GuideImages/1430_SpannerWrenchs_9.jpg


pic link. not showing up for me in previous post.



Offline Akzle

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Re: Tasco 1x 22 reticule fix
« Reply #11 on: December 26, 2018, 05:03:29 PM »
Also while you're elbow deep in it, start cleaning with a blower brush to get the worst off, then meths/acetone and microfibre cloth.

minute scratches can be got out with judicious buffing with toothpaste or a paste made from baking soda. bigger ones... get lenses reground or live with it.
I have heard of people using brasso to polish lenses, but i never have, it seems a bit agressive. either way will rape any coating, which an old scope is unlikely to have.


also anything inside (not glass obvs) should be very matte black. Can be painted with a long cotton swab soaked with paint from a spray can.
« Last Edit: December 26, 2018, 05:09:20 PM by Akzle »

Offline Pauly5

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Re: Tasco 1x 22 reticule fix
« Reply #12 on: December 26, 2018, 06:29:09 PM »
Brilliant, thanks Akzle.  I have some old small drill bits I could fit into a small piece aluminium or metal that should locate into the holes to turn the collar.
I like the idea of painting the inside matt black, it certainly makes sense to do that. Well i'm off to  the garage again for some tool making.
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