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Fungus, seperation? Repairable?
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RichS



Joined: 18 Oct 2001
Posts: 1468
Location: South of Rochester, NY

PostPosted: Mon Apr 21, 2003 2:29 am    Post subject: Reply with quote

Henry: Who does the labeling?

Fred: I didn't take any offense. But trying to keep up with my spelling errors would be a life-long project between my progressively worsening spelling and the typos caused by this keyboard.

Good humored and well meant messages for any reason are far better than none at all!

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45PSS



Joined: 28 Sep 2001
Posts: 4081
Location: Mid Peninsula, Ca.

PostPosted: Mon Apr 21, 2003 3:11 am    Post subject: Reply with quote

Compaq's key beards aren't any bitter.

And I was just looking to dump all this old stuff and go buy a new Deardorf.
Charles

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The best camera ever made is the one that YOU enjoy using and produces the image quality that satifies YOU.
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RichS



Joined: 18 Oct 2001
Posts: 1468
Location: South of Rochester, NY

PostPosted: Mon Apr 21, 2003 3:39 am    Post subject: Reply with quote

Charels, Go for it!

Sometimes we have to live with our decisions, good or bad. I made the decision to go for the cheap keyboard and hoarding GVII's. If I had to do it all over again, I might have gone for a new Deardorf?

But if you can sell off everything and get a new Deardorf, then maybe so can I? Let me know how iut works out!
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RichS



Joined: 18 Oct 2001
Posts: 1468
Location: South of Rochester, NY

PostPosted: Mon Apr 21, 2003 5:21 am    Post subject: Reply with quote

Not wanting in the least to end this thread as we may be getting close to a record with 4 pages, but I may have found a reasonable source for balsam.
Changing my search words a bit, I found two interesting things. Balsam is not only used for cementing lenses, but also a major ingredient in cosmetics and food supplements.
Then I found two chemical companies who sell balsam, but not directly on-line. But I did find a supplement company who does have it and for what seems a decent amount. 40.00 for a 16oz bottle of pure oleoresin. Stony Mountain Botanicals if anyone is interested. Since they had some other stuff I wanted, I went ahead and ordered it. If it's not right, I'll find another use for it...

This does _not_ mean I will stop searching for an optical quality tree however!

And I have to admit that I'm looking forward more to the Molcajete than the balsam at the moment...
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Henry



Joined: 09 May 2001
Posts: 1646
Location: Allentown, Pennsylvania

PostPosted: Mon Apr 21, 2003 4:57 pm    Post subject: Reply with quote

Well, Rich, now that the urgency is gone from your balsam search, I feel so betrayed, let down, violated, etc., etc. But I can tell you that tree labelling is under the auspices of the Optical Quality division of the NY-DEC, with overall jurisdiction by the APA. Or maybe it's the other way around, who can say?

I spent five years in college and grad school in Rochester and I think the winters addled my brain.....

[ This Message was edited by: Henry on 2003-04-21 09:59 ]
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RichS



Joined: 18 Oct 2001
Posts: 1468
Location: South of Rochester, NY

PostPosted: Mon Apr 21, 2003 6:11 pm    Post subject: Reply with quote

Don't feel "betrayed, let down, violated, etc." yet. It hasn't arrived and may have just been a marketing ploy by the company to get me to order something else?

I'll have to give DEC a call and ask. Maybe they have maps? Maybe they'll laugh more than when my wife called about a skunk we caught inadvertently in a have-a-heart trap?

Five years in Rochester? At least you should have a good mental picture of the 18% grey card Winters here are fun, if and when they're over... But by the time we clean up from the last one, they return. And we may yet have more snow in a couple days... I haven't taken the blade off the tractor yet!

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Dan Fromm



Joined: 14 May 2001
Posts: 2144
Location: New Jersey

PostPosted: Mon Apr 21, 2003 7:30 pm    Post subject: Reply with quote

Quote:

On 2003-04-21 11:11, RichS wrote:
Don't feel "betrayed, let down, violated, etc." yet. It hasn't arrived and may have just been a marketing ploy by the company to get me to order something else?

I'll have to give DEC a call and ask. Maybe they have maps? Maybe they'll laugh more than when my wife called about a skunk we caught inadvertently in a have-a-heart trap?

Five years in Rochester? At least you should have a good mental picture of the 18% grey card Winters here are fun, if and when they're over... But by the time we clean up from the last one, they return. And we may yet have more snow in a couple days... I haven't taken the blade off the tractor yet!


You're in Rochester and you're screwing around with questionable optics while Dagor77 is snatching the real prizes? Pro Raptars, to be exact. You should be ashamed of yourself.

And yes, this is the thread that refuses to die.

To get back on topic, I was looking in the Edmund Optics catalog last night and noticed that they sell uv-curing adhesives. No balsam listed, but if yours doesn't work out perhaps they could direct you.

Cheers,

Dan
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RichS



Joined: 18 Oct 2001
Posts: 1468
Location: South of Rochester, NY

PostPosted: Mon Apr 21, 2003 7:56 pm    Post subject: Reply with quote

Funny, there were times when I thought you were dagor77!
I am unfortunately at a major disadvantage here. First, I'm on an unreliable dial-up line and it always seems to drop around the time of auction end. I've come down to just entering what I'm will to go for something and then forgetting it until after it's over.
And second, I don't sell anything... Dagor77 is a dealer, and probably has more money for that stuff than I do, and is willing to sell it...
Well, as Henry (wasn't it?) pointed out, it is just the ooze from a tree. Balsam should be balsam no matter the source. And I would imagine that food quality should be decent? It is all mostly for the experiment of it. If it all works out, fine. If it doesn't, then I'll get a 'real' cement and do it 'right'...
From what I've read, the liquid stuff is either natural (like from the tree) or mixed with a solvent. Either way, you have to let it dry out before using for lens cementing.
And I have to admit that my curiosity has been raise about it being a good cement for glass and ceramics in a non-lens category. Good food-grade cements for such things are hard to find. Although using hot liquids, cooking or microwaving would be out of the question... It won't go to waste and I may wind up buying a UV light anyway
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Dan Fromm



Joined: 14 May 2001
Posts: 2144
Location: New Jersey

PostPosted: Mon Apr 21, 2003 11:11 pm    Post subject: Reply with quote

Quote:

On 2003-04-21 12:56, RichS wrote:
Funny, there were times when I thought you were dagor77!

Dagor77 is a dealer, and probably has more money for that stuff than I do, and is willing to sell it...



Me? A dealer? Not quite.

I started out by selling some gear for my late mother-in-law's executor. Then I started clearing my shelves. No reason to keep what I'll never use, and getting old outlays back made buying easier on the household budget.

From time to time I go to a flea market (camera, regular) and see something so underpriced its worth getting to resell. Those mostly pay for the gas.

I've learned that with careful buying I can try gear out and then get my money back. Sometimes I lose a little, sometimes I make a little. Either way it keeps my costs down.

The trove of 38 Biogons is something else again. I bought the first pair (they came from an AGI F135, which isn't a stereo camera but has 2 identical lenses anyway) in the hope that one could be made usable. It was a gamble. The late Steve Grimes made it work! The second one got much of the initial outlay back. And then the light bulb turned on. I recently bought the trove's last 10 and can't get any more. As they say, easy come, easy go. Its been fun.

As for Dagor77, I can't imagine where he finds the stuff. I used to think he was in the printing industry or close to it.

Cheers,

Dan
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RichS



Joined: 18 Oct 2001
Posts: 1468
Location: South of Rochester, NY

PostPosted: Tue Apr 22, 2003 2:08 am    Post subject: Reply with quote

Well you're way ahead of me. Whenever I go looking, my mind narrows down in focus to see only what I need or want. And oddly enough, camera equipment is impossible to find around here. Whenever I ask, they tell me maybe some other place down the road, in a big circle. But noone has anything. So I get it on-line and usually not at a good price. But I never buy to sell even though sometimes I wish I did. I've seen some incredible steals go by. And the few I grabbed for myself have only balanced out with the impule buying at too high a price...

So is this a twin lens (like a C330) you're talking about or something exotic with two lenses?

I gather a lot of people pick things up at shows and I've seen a lot of dealers buying the steals that I have no interest in. What really annoys me is when they place a minimum bid on an item I do want and it knocks off the buy now option...

Maybe I can try selling the balsam, repackaged into 1 ounce bottles for a healthy profit?
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Dan Fromm



Joined: 14 May 2001
Posts: 2144
Location: New Jersey

PostPosted: Tue Apr 22, 2003 10:06 am    Post subject: Reply with quote

Quote:

On 2003-04-21 19:08, RichS wrote:

So is this a twin lens (like a C330) you're talking about or something exotic with two lenses?


Maybe I can try selling the balsam, repackaged into 1 ounce bottles for a healthy profit?

No, not a TLR, just a very strange aerial camera. Huge thing, relatively, weighs ~ 25 pounds. Loads 100' of 5" film. Has two taking lenses in solenoid actuated leaf shutters (electronic timing, one solenoid whacks the shutter open, the other whacks it closed) firing alternately, not synchronously. Made to bolt into an aircraft, usually a Nimrod possibly also a Jaguar. Gets location and time and date info from the aircraft nav system, writes it on film when it takes a picture. I'm waiting for more info on the thing from the RAF. Totally useless, but the lenses are worth the effort of rescuing.

Haven't seen many signs of high demand for balsam. You may be, um, stuck.

Cheers,

Dan
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Nick



Joined: 16 Oct 2002
Posts: 494

PostPosted: Tue Apr 22, 2003 12:41 pm    Post subject: Reply with quote

I want to know how dagor gets the prices he gets.
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RichS



Joined: 18 Oct 2001
Posts: 1468
Location: South of Rochester, NY

PostPosted: Tue Apr 22, 2003 1:40 pm    Post subject: Reply with quote

Now there's an interesting camera. "Totally useless"?? You could always mount it on the roof of your car and shoot while you drive?
Sounds like it would be fun to play with to some extent at least. So let me make another wrong guess here. The 38 lens is suppposed to cover only 2x3 and this takes 5" film. So were the lenses mounted to get two negs across the 5", possibly creating a slightly stereo effect? Or do they actually cover 5" individually and you're holding out on a super wide angle lens?

No demand for balsam? Well, I'll just have to create a market then. I'll not only sell the balsam, but the instructions, fully illustrated of course, on how to recement your very own lens. And maybe even offer the contact info on the company that can fix it after it's been ruined?

To be honest. I've seen and heard about so many old lenses that had separation to make them worthless, I am suprised that more people haven't grabbed them for next to nothing and just experimented with cleaning and recementing. I would love to have a dozen old lenses here, good for nothing but trying to fix. And maybe someday I will since probably all mine are balsam cemented and all will probably separate someday. My retirement project I suppose?
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Dan Fromm



Joined: 14 May 2001
Posts: 2144
Location: New Jersey

PostPosted: Tue Apr 22, 2003 2:21 pm    Post subject: Reply with quote

Quote:

On 2003-04-22 05:41, Nick wrote:
I want to know how dagor gets the prices he gets.


Good stuff, superior puff.

Cheers,

Dan
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Dan Fromm



Joined: 14 May 2001
Posts: 2144
Location: New Jersey

PostPosted: Tue Apr 22, 2003 2:35 pm    Post subject: Reply with quote

Quote:

On 2003-04-22 06:40, RichS wrote:
Now there's an interesting camera. "Totally useless"?? You could always mount it on the roof of your car and shoot while you drive?
Sounds like it would be fun to play with to some extent at least. So let me make another wrong guess here. The 38 lens is suppposed to cover only 2x3 and this takes 5" film. So were the lenses mounted to get two negs across the 5", possibly creating a slightly stereo effect? Or do they actually cover 5" individually and you're holding out on a super wide angle lens?

No demand for balsam? Well, I'll just have to create a market then. I'll not only sell the balsam, but the instructions, fully illustrated of course, on how to recement your very own lens. And maybe even offer the contact info on the company that can fix it after it's been ruined?

To be honest. I've seen and heard about so many old lenses that had separation to make them worthless, I am suprised that more people haven't grabbed them for next to nothing and just experimented with cleaning and recementing. I would love to have a dozen old lenses here, good for nothing but trying to fix. And maybe someday I will since probably all mine are balsam cemented and all will probably separate someday. My retirement project I suppose?


The F135 is electrically driven, needs power. Needs a control box. Needs a cradle.

The film is 5" wide, the two gates are 56 mm x 57 mm. The 38/4.5 Biogon is widely believed to cover an 80 mm circle, i.e., exactly nominal 6x6. This is true for the Hasselblad version because the front of its barrel is long enough to protect the lens if the camera is set down lens down; it vignettes. The F135 version, after extraction from its shutter, lacks that protection and covers 84 mm with good illumination, 87 mm with good sharpness. See my current eBay listing for a sample shot take with it, look for Biogon. Its a full frame scan, the holder was an Adapt-A-Roll 620, gate 57.0 x 82.4.

Sell balsam and recement it yourself? Yeah, sure, why not? Take lessons in puffery from dagor77 and Jim Galli (tpahjim on eBay).

About experimentation, um, I've seen the same thing. Two possible explanations. For those who want to shoot, good gear in working order is cheap enough to be a better alternative to trying to fix broken. Alternatively, people aren't as much into tinkering as they used to be. Me, I'm still in grad student mode, i.e., more time than money, at least for things I like to tinker with. I certainly don't have enough money to get an SWC, for example. That's why I tried the F135.

Cheers,

Dan
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