Value of old Camera equipment

I have already mentioned who made those two lenses, the serial numbers tells us that.

The 28-90 is indeed the Komine made version of the 28-90 , that means absolutely nothing to most but to Vivitar lens collectors it is the best of the bunch.

For example :

http://www.pentaxforums.com/userreviews/vivitar-series-1-28-90mm-f2-8-3-5.html

Thank you for that info. I would like to just give the lenses a "test run", and Im sure they haven't been used in years and years; Im not sure what that means to the camera equipment, but it would be fun to play around, and maybe even take some film shots, just to compare.

RCIS719 said:

Thank you for that info. I would like to just give the lenses a "test run", and Im sure they haven't been used in years and years; Im not sure what that means to the camera equipment, but it would be fun to play around, and maybe even take some film shots, just to compare.

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speaking for just myself, am interested in a follow-up (thread, perhaps) on the result and your eventual decision.

Recently, I put a film (dated 1995) on my Nikon SLR and fired away. All 5 SLR lenses performed flawlessly. The film was stored in a built-in drawer in my refrigerator. Perhaps I'll use one of the remaining two rolls in 2020.

Best regards.

molibden said:

Miike Dougherty said:

They will tell you what they are willing to pay for. Yes they do take a profit margin...

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I would love if I could run a business where the difference between what I bought the commodities for and what I sold the product at for was profit.

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As I'm sure you know, accountants call this gross profit. It's an important figure to know, and it figures very prominently in the way any business computes its pricing structure and performs its general financial planning. It's definitely the figure that used camera buyers at camera stores use as their guideline. (I used to buy used gear for a camera store.) But, yes, some of your gross profit must be used to pay for the SG&A expenses of your business, such as:

molibden said:

But I first have to cover the cost of operating my business (and taxes, which I try very hard to avoid), and only then, what meager amount is left - if any - is profit.

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Again, as I'm sure you know, the meager amount that is left is what accountants call net profit.

Just as an aside on the topic of different kinds of profit: when most analysts talk about whether a business is profitable, they are referring to a third kind of profit -- operating profit (i.e. taxes and interest income are not counted).

Eamon Hickey said:

molibden said:

Miike Dougherty said:

They will tell you what they are willing to pay for. Yes they do take a profit margin...

Click to expand...

I would love if I could run a business where the difference between what I bought the commodities for and what I sold the product at for was profit.

Click to expand...

As I'm sure you know, accountants call this gross profit. It's an important figure to know, and it figures very prominently in the way any business computes its pricing structure and performs its general financial planning. It's definitely the figure that used camera buyers at camera stores use as their guideline. (I used to buy used gear for a camera store.) But, yes, some of your gross profit must be used to pay for the SG&A expenses of your business, such as:

peripheralfocus said:

But I first have to cover the cost of operating my business (and taxes, which I try very hard to avoid), and only then, what meager amount is left - if any - is profit.

Click to expand...

Again, as I'm sure you know, the meager amount that is left is what accountants call net profit.

Just as an aside on the topic of different kinds of profit: when most analysts talk about whether a business is profitable, they are referring to a third kind of profit -- operating profit (i.e. taxes and interest income are not counted).

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Pretty funny all the posts over $30 worth of equipment. Several years ago I did a SLR/lens equipment donation to our local high school. The students got good use out of it.

"Pretty funny all the posts over $30 worth of equipment."

Even funnier when one thinks that the Vivitar Series 1 28-90 lens alone would fetch about 50 GBP on ebay UK - that's about 60 USD.

But the funniest of all is how the thread went so far off topic into arcane discussions about profit and loss.

John Michael Winterbourne said:

"Pretty funny all the posts over $30 worth of equipment."

Even funnier when one thinks that the Vivitar Series 1 28-90 lens alone would fetch about 50 GBP on ebay UK - that's about 60 USD.

But the funniest of all is how the thread went so far off topic into arcane discussions about profit and loss.

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You can make a bid on one right now at $9.99 on eBay. Several at $19.99. No shortage available for sale.

Fine - I could bid on any of those that at those derisory sums, but presumably they're in progress auction? How long to go? Are you going to check back and see what they actually sell for? And in any case, how well are they presented? Any sample photos taken with them on modern Mirrorless digital cameras?

I start all my selling auctions at 1 GBP which has never been (to date, touch wood), what they actually sell for. (And that includes a Nikon Df camera, body only, sold for £1,200), Starting an auction at $9.99 or$19.99 isn't good tactics, really .

For what it's worth, I got my £50/$60 from the "Completed auctions/Sold Items" list on ebay UK - I admit it was a rather simplistic average; if I'd quoted the top price I think it would have been nearer £100; but of course there were many lower than that as well.

Why don't you go back to whichever version of ebay you were looking at, and see what Vivitar S1 28-90s have sold for. Please feel free to share the info.

RCIS719 said:

While I was looking for something else in a closet, I stumbled on some old Canon equipment, some of which belonged to my father. Most of it in pretty good condition, as far as I can tell. Here is a list of the items I found, and a little description. I may keep a piece for sentimental value, but is any of it worth anything, and what should I do with it?

2 Canon A-1 film cameras, 1 complete with auto winder

3 lenses -

Canon FD 50mm /1.8

Vivitar C/FD 75-300mm

Vivitar C/FD 28-90mm

1 Sunpak flash ("auto 433 D Thyristor")

Thanks for your help.

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So, while I have these lenses, I thought I might at least try them out with my current camera (Sony a6000). Can someone tell me what lens adapter I would need to do that? I have looked on B & H, but I am somewhat confused by the lens adapters that come up in my search. Is the EF adapter the one I would need for a C/FD lens?? This seems to be the only thing that comes up when I search them.

Not the EF. (EF is the Canon AF mount)

You need the Canon FD to Sony E mount adapter.
FotodioX Canon FD Lens to Sony E-Mount Camera Pro Lens Mount Adapter

FrancoD said:

Not the EF. (EF is the Canon AF mount)

You need the Canon FD to Sony E mount adapter.
FotodioX Canon FD Lens to Sony E-Mount Camera Pro Lens Mount Adapter

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Perfect, thank you!