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Goto Optical Mfg. Co. 60x900

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#1 clamchip

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Posted 22 February 2010 - 11:29 PM

Week ago I thought I would go look at this scope on CL a few miles from my house. After looking it over with the owner I decided I didn't want to take on the project. He called me back and offered it for a reduced price so I went ahead and bought it.
I have never owned a Goto so I thought it would give me a chance to work on something different and I knew parts were going to be a problem and because of the missing parts there wasn't going to be any collectors value so I could just do what I had to do to get it operational and use it.

Robert

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#2 clamchip

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Posted 22 February 2010 - 11:31 PM

left

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  • 3641799-GOTO IIII 002.JPG


#3 clamchip

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Posted 22 February 2010 - 11:32 PM

right

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#4 clamchip

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Posted 22 February 2010 - 11:44 PM

Most of the parts are Bakelite. The cell is brass with a Bakelite flange that has a spring loaded 3 screw collimation into the Bakelite counter cell that is pop riveted to the tube. The objective is 58mm clear aperture and I believe uncoated. Airspaced with a clear plastic spacer. I'm guessing this scope dates late 60's early to mid 70's.
The objective is the main reason I didn't want to buy the scope. It has a problem at 7:00 in the photo between the elements possibly a clam shell chip or the spacer,but I'm not going to take it apart to find out. Dose not effect the image. Something there just at the edge.

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#5 clamchip

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Posted 22 February 2010 - 11:46 PM

Very little info on this model.

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#6 clamchip

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Posted 22 February 2010 - 11:47 PM

Bakelite focuser. Very high quality.

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#7 clamchip

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Posted 22 February 2010 - 11:50 PM

Another problem was the focus knob. I used a old radio knob and made it fit the shaft thread. A little small but works OK.

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  • 3641825-GOTO 006.JPG


#8 clamchip

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Posted 22 February 2010 - 11:53 PM

OTA is held to the mount with this long dovetail and one lock knob, much like modern mounts.

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#9 clamchip

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Posted 22 February 2010 - 11:57 PM

Finder is 6x17. These are not your average eye pieces. Don't be fooled by the tenny eye lenses, they are superb. I don't know how your supposed to use the sun filter, it has a large female thread, but as we all know - DO NOT USE THESE< CAN RESULT IN PERMANENT EYE DAMAGE

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  • 3641831-GOTO 008.JPG


#10 clamchip

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Posted 23 February 2010 - 12:00 AM

The knerald screws to hold the finder to the focuser were missing so I picked these up at the hardware store and recut the thread to match the threaded holes in the focuser.

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#11 clamchip

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Posted 23 February 2010 - 12:09 AM

The mount is very smooth and built heavy for a 60mm. The scope performs very well. I'd like to find more information about it. Did find some catalogs over on Robert's site but could not find mine.

Robert

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#12 clamchip

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Posted 24 February 2010 - 12:07 PM

I have some star time on this scope now and what a fine instrument. The alt-az mount is so nice and the lens is fabulous as well as the Huygenian eye pieces that came with it. Usually these ep's are almost unusable I don't understand what makes these different. I tried them in some other scopes and they don't work well in my newt's or fast refractors but in my Edmund 4"f15 they are very sharp and noticeably brighter. They only have 2 elements in them!

Not finding any information on Goto Optical Mfg Co other than they are still in bus. making planetarium projectors.
They started making telescopes in 1926 and used Nikon lenses for a time then made everything in house. Reminds me of Astro Optical in the scopes they offered.

You need to be creative to search "GOTO" now with goto computer driven telescopes. Hy-score comes up, seems to be very popular.

Robert

#13 Steve_M_M

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Posted 24 February 2010 - 12:49 PM

Congratulations Robert!

It is hard to type this email as I really wanted that telescope and made the guy a good offer and found someone in Seattle to pick it up. I would have paid double for it. Even so, glad it found a good home with you :)

Your telescope is a Telepac 60-AL. These first came out in 1967. These scopes are interesting in that the specs are set down by the gov't. The Ministry of Eduction. Goto then built them per their specs to be placed in schools. You did not find many here in the US or in private hands.

The Telepacs were discountinued around 1973 and replaced with the ST telescope line. ST's were made with Telepacs parts. The ST-6 was discontinued in 1992. During Goto's history they had up to 90% of the telescope market in Japan.

Looking at your 60-AL it appears to be a much later model possibly using combined parts from the Telepac AL-60 and ST-6. I am sure Galakuma will have that detail.

The sun filter is used by unscrewing the top of any eyepiece and replacing it with the sun filter. I use mine with a swift herschel wedge and it works great.

Goto's are highly prized in Japan. The eyepieces alone go for $100+ apiece. Since Goto was limiting sales after 1989 to schools only, the later models are about as rare as the earlier ones.

Enjoy!

Steve

#14 Clive Gibbons

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Posted 24 February 2010 - 03:50 PM

Very cool find, Robert! :bow:

#15 clamchip

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Posted 24 February 2010 - 04:02 PM

Sorry Steve, I had no idea you were interested, I wish I had not bought in now. The seller mentioned he had other people that wanted it but was not willing to ship it. I actually decided not to buy it and he later called me and offered it to me for 140 so I said ok. I'm not a collector, I like to just make them work again and enjoy the construction techniques and optics from the past so when I am finished playing with it you can have it for what I paid for it.
Thanks for filling me in on it's history, that was going nowhere and now I can see why.

It's a very fine scope, beautiful perfect image at 50X per inch and perfect star test. I love these 60mm scopes but more just for the mechanics then using for astronomy due to the limited aperture. I feel they built the 60's hoping you would come back for a larger one, so they put a lot of extra effort into them.

Robert

#16 catboat

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Posted 24 February 2010 - 04:03 PM

That's a beauty. And what a mount!

#17 Bonco

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Posted 24 February 2010 - 05:13 PM

That large finder stalk is oh so very functional. I wish other classics followed that concept. Bill

#18 Steve_M_M

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Posted 24 February 2010 - 05:39 PM

No worries Robert. I am glad someone here ended up with it. Enjoy the scope!

#19 JWW

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Posted 24 February 2010 - 07:52 PM

Great find, congrats. Do you mind me asking what you paid for it?

-JWW:

#20 clamchip

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Posted 24 February 2010 - 08:39 PM

The seller had it advertised for 200. I spent some time looking at it with him and decided I didn't want to buy it which is rare for me to do that, I usually can't help myself.
But it was going to be a nightmare, I just did not want it. He offered it to me for 180 as I was going out the door and later called me and said 140.
It wasn't as big a nightmare as I thought, it cleaned up nice. And the 2 screws that hold the finder on came out great, thank you Ace Hardware and MSC for the die to cut the weird thread. Thank you Crosley for letting me borrow one of your knobs, I'll replace your tubes for that favor. And the lens turned out to be fine after all.

Robert

#21 JWW

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Posted 24 February 2010 - 09:45 PM

Thanks Robert,

Great deal!

-JWW:

#22 strdst

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Posted 24 February 2010 - 10:11 PM

Robert,

Good work, for knowing you didn't really want it and buying it anyway! :lol: I have two Goto telescopes that I like owning and using. The one you just got looked a little young for my taste but I'm not surprised it's optically excellent. And yes that name Goto becomes a bit frustrating when doing web searches. I know the views aren't going to be any sharper than those you enjoy through your Tasco 7te-5 (well, probably better baffled and more contrasty) but don't you think it's just more fun to say GOTO than Tasco?

other keith

#23 desertrefugee

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Posted 24 February 2010 - 11:19 PM

...but don't you think it's just more fun to say GOTO than Tasco?



No.

(Coming from one who "owns" eight Tascos)

#24 Steve_M_M

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Posted 24 February 2010 - 11:25 PM

Goto

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#25 strdst

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Posted 24 February 2010 - 11:58 PM

Well said Steve! Darrell, did you say something? :roflmao:

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