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Natural Science Forum / Physics / Optics / July 2006



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Photo Adapters?

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jgandalf - 21 Jul 2006 15:22 GMT
I'm eager to get an adapter to allow photomicrography; it seems there
are only a few choices out there. I currently own a Coolpix 990, but I
would like the ability to utilize the adapter with my Nikon FE 35mm, as
well as with any future digital camera I might get.

I have been looking especially at the MaxView Plus, as well as the
CamAdapter, which seems to be a clone of the MaxView.

Does anyone have any experience with either of these, or any other
recommendations? I've read most of the DIY links, but there are issues
with them, from my perspective: I currently don't have the skills to
cut decent threads on my lathe, and I want to use my cameras with a
number of different scopes - both 30mm and 23 mm, (eyepiece and
phototube), which makes the PVC pipe adapters, etc, more of a problem.
The setup also needs to be easily portable, so stands and tripods don't
seem to be a good choice (I've used tripods in the past to good effect,
though). Also, I want to get this going by mid-August.

All adapters I've seen are rather pricey, at least from the perspective
of an amateur hobbyist, so I need to make the best choice the first
time.

Some of the adapters I've looked at are here:
http://www.scopetronix.com/mvp.htm
http://www.microscope-store.com/product_info.php/products_id/65
http://www.perspectiveimage.com/1/nikon.php
http://zarfenterprises.com/lens%20adapter%20series.html
http://www.lensadapter.com/products.htm

Thanks,
Joe
Richard J Kinch - 21 Jul 2006 16:55 GMT
> I currently own a Coolpix 990, but I
> would like the ability to utilize the adapter with my Nikon FE 35mm, as
> well as with any future digital camera I might get.

The 990 is an ideal camera.

You might want to consider my page:

 http://www.truetex.com/micad.htm
jgandalf - 21 Jul 2006 20:20 GMT
> The 990 is an ideal camera.

Yeah, I bought it based on the good reviews here and on some of the
microscope web sites. They still bring top dollar on the used market.
I'll be sad when it dies.

> You might want to consider my page:
>
>   http://www.truetex.com/micad.htm

I've looked at your pages before. What you are doing would be ideal for
me if my metalworking skills were better (maybe someday...). I think
the best feature of your technique is that it would allow both
eyepieces to be in focus, so I can sight through one while the camera
is attached to the other. I would need different adapters for each of
my scopes, though (different IDs on the oculars). I probably couldn't
afford to pay a shop to do that many. I do intend to try making some -
getting the skills will pay off eventually. Over the years, rcm has
been a good newsgroup for tips and tricks along those lines.

Thanks for the words,
Joe
Gary G - 22 Jul 2006 00:57 GMT
>I'm eager to get an adapter to allow photomicrography; it seems there
>are only a few choices out there. I currently own a Coolpix 990, but I
[quoted text clipped - 27 lines]
>Thanks,
>Joe

If you read my posting about the Optem adapter for CP900, it fits the
990 as well.

This is just a cheap audience.  I'm greatly disappointed in this
newsgroup.  I will disconnect soon.

Gary Gaugler, Ph.D.
Microtechnics, Inc.
Granite Bay, CA 95746
916.791.8191
gary@microtechnics dot com
NoSpam - 22 Jul 2006 18:10 GMT
> If you read my posting about the Optem adapter for CP900, it fits the
> 990 as well.
[quoted text clipped - 7 lines]
> 916.791.8191
> gary@microtechnics dot com

Interesting! Everybody is trying to save, including those who claim that
this is a "cheap audience". To not spend money needlessly is not being
cheap! See the following quote:

>I use mealworms for feeding my black widow spiders (Lactodectrus).
>The problem is that I don't feed the spiders more than every three
>months.  It turns out that the 50-count meal worm container does not
>last that long.

>Is there a way to keep meal worms longer or is it just a situation
>where I have to get a new 50-count container every time I need to feed
>the spiders?  I seem to be able to keep a male and female alive for
>over three years.  This means a lot of wasted meal worms.

>tnx,
>Gary Gaugler, Ph.D.
>Microtechnics, Inc.
>Granite Bay, CA 95746
jgandalf - 23 Jul 2006 16:47 GMT
Geez, Gary,

I hope my questions/concerns weren't what prompted your comment below.
Over the years that I've been reading this ng, you have been a valuable
contributor. I realize you're a businessman in microscopy, but I'm a
*hobbyist*, and I have trouble coming up with lotsa bucks for
professional-grade accessories. Indeed, my requirements are a lot more
lax than  those for science professionals; it would be irresponsible
for me to spend my money on a cooled-CCD Pixera (for example) since it
would not provide a real benefit for what I'm doing. It looks like I'm
going to shell out the better part of $300 for the photo adapter after
all, but at least it will be useable for a variety of cameras, as well
as allowing macro photography. I can justify the cost on those factors
(though just barely). I already have a lot invested in my 35 mm system,
and I'm trying to add digital capture at a reasonable cost.

When I responded to your note about the Optem adapter, you indicated it
was not entirely suitable for bino head use (half of my intended
applications), as its length would put a lot of strain on the mounts;
however, you never did mention a price in response to my request.
Perhaps it's still a reasonable option for me. What is your asking
price?

Seriously, I hope you don't leave. There is precious little traffic on
this group as it is (although the S/N ratio is wonderfully high, at
least).

Regards,
Joe

> If you read my posting about the Optem adapter for CP900, it fits the
> 990 as well.
[quoted text clipped - 7 lines]
> 916.791.8191
> gary@microtechnics dot com
Richard J Kinch - 24 Jul 2006 03:54 GMT
> It looks like I'm
> going to shell out the better part of $300 for the photo adapter after
> all,

From what you've said, I would think you could save most of that making one
yourself.  Couple of achromats from http://www.anchoroptics.com mounted in
a simply machined tube.
Richard J Kinch - 25 Jul 2006 20:28 GMT
>> It looks like I'm
>> going to shell out the better part of $300 for the photo adapter
[quoted text clipped - 3 lines]
> making one yourself.  Couple of achromats from
> http://www.anchoroptics.com mounted in a simply machined tube.

Here are my drawings of how I made a photo eyepiece:

 http://www.truetex.com/closeup_lens_58mm.pdf

It is shown as a close-up lens, but with a 23mm or 30mm tube it becomes an
Plossl eyepiece.
 
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