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Hello from sheffield UK

 
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janm



Joined: 04 Oct 2010
Posts: 11

PostPosted: Mon Oct 04, 2010 12:16 pm    Post subject: Hello from sheffield UK Reply with quote

Hi,

Recently got myself a microscope and found this forum looking for information on how to use it. At the moment its just a brightfield setup but i hope to add phase contrast and darkfield bits to it. Would like to work upto taking pictures if i can figure out how to attach a camera, my microscope does not have a dedicated phototube.

Hope I can get some tips from you guys... :)


Jan
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rjlittlefield
Site Admin


Joined: 01 Aug 2006
Posts: 18353
Location: Richland, Washington State, USA

PostPosted: Mon Oct 04, 2010 12:37 pm    Post subject: Reply with quote

janm, welcome aboard! Very Happy

What cameras do you have available? And can you post a picture of your scope?

--Rik
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janm



Joined: 04 Oct 2010
Posts: 11

PostPosted: Mon Oct 04, 2010 1:07 pm    Post subject: Reply with quote

Hi,

I can post a pic or two tomorrow, its packed up at the mo.
Its a Zeiss Axiostar Plus with CP-10x, CP-40x and a CP-100x oil objective, the eyepeices are 10x i believe.

It looks like this one


[img]http://ecx.images-amazon.com/images/I/31sPmMequxL._AA300_.jpg[/img]



The cameras i have are

Nikon D1x

Astronomy cameras are a bit different and the ones below are monochrome. These are from my other hobby but i'm hoping i might be able to use
one or two of these with teh microscope.

lumenera skynyx
Sbig STL-11000M
ARTEMIS 285
Philips toucam webcam
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ChrisLilley



Joined: 01 May 2010
Posts: 680
Location: Nice, France (I'm British)

PostPosted: Mon Oct 04, 2010 6:29 pm    Post subject: Reply with quote

The Nikon D1x is somewhat old now, but is well built and 6MPx is not necessarily a drawback especially at higher magnifications. Noise could be a bit of a problem though.

The SBIG STL-11000M with 11MPx monochrome in a 35mm format sensor should give pretty good results. It seems to use a T mount, is that right? Also, is this one cooled? Should give a low noise image. Using it with three filters could give a very good quality RGB image, too.

The others that you mention look to be rather low resolution for macro or microscopy use.
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janm



Joined: 04 Oct 2010
Posts: 11

PostPosted: Tue Oct 05, 2010 4:09 am    Post subject: Reply with quote

Hi,

Yes the nikon D1x is a pretty noisey camera once you get to exposures more then 0.5 of a second.

The STL-11000m is a cooled camera, I usually have it at -15 and it gives very low noise images. It is a mono camera and i do have the LRGB filters...
It also gives out 16 FITS images which are uncompressed. A T mount would give vignetting (with light cones from telescopes not sure about microscopes) so it uses a 2" SCT pushfit mechanism at the moment but i have the ability to attach custom nosepieces.

Jan
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janm



Joined: 04 Oct 2010
Posts: 11

PostPosted: Thu Oct 07, 2010 2:42 am    Post subject: Reply with quote

I've managed to take a few quick pics of the setup, not the best quality due to it being evening here.

The objectives are not the best quality and the bino head is not really that well suited to taking photographs but i'm hoping to add bits over time.

Jan




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Craig Gerard



Joined: 01 May 2010
Posts: 2877
Location: Australia

PostPosted: Thu Oct 07, 2010 3:37 am    Post subject: Reply with quote




Admin edit: to select "Disable BBCode in this post".
_________________
To use a classic quote from 'Antz' - "I almost know exactly what I'm doing!"


Last edited by Craig Gerard on Thu Oct 07, 2010 5:36 pm; edited 1 time in total
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ChrisLilley



Joined: 01 May 2010
Posts: 680
Location: Nice, France (I'm British)

PostPosted: Thu Oct 07, 2010 6:27 am    Post subject: Reply with quote

This page seems to show a Zeiss Axiostar Plus with a trinocular head, for mounting a camera. Perhaps this is available as an optional accessory?

Although, that assumes that either all correction is done in the objective and tube lens, or else that correction done by eyepieces is duplicated by optics in the camera port of the trinocular head.

The other thing that will need to be determined is what image circle is covered. This will affect what camera can be used.

However, I hope much better-informed people than I will chime in on this thread.
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ChrisLilley



Joined: 01 May 2010
Posts: 680
Location: Nice, France (I'm British)

PostPosted: Thu Oct 07, 2010 6:36 am    Post subject: Reply with quote

I see an operational manual that includes some technical specs, and a section on using a camera with the scope.
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rjlittlefield
Site Admin


Joined: 01 Aug 2006
Posts: 18353
Location: Richland, Washington State, USA

PostPosted: Thu Oct 07, 2010 7:25 am    Post subject: Reply with quote

Craig Gerard wrote:
Jan,

I noticed your images were not displaying?

Admin, could you check that Image Upload Permissions for janm have been activated? (and then delete my post)

The image upload permissions were fine (as indicated by the fact that he was able to upload images). The problem was that "Disable BBCode in this post" was checked, as I have now done to your post for illustration.

janm, your profile was set to disable BBCode by default in all your postings. I have changed it to enable BBCode by default. You can set it back to disabled by editing your profile, but in that case please be sure to enable BBCode for any posts that include images or use any of the other tags that control formatting.

--Rik
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rjlittlefield
Site Admin


Joined: 01 Aug 2006
Posts: 18353
Location: Richland, Washington State, USA

PostPosted: Thu Oct 07, 2010 7:30 am    Post subject: Reply with quote

janm, one option to consider is using a camera in "afocal" mode, which just means shooting through one of the existing eyepieces. See the discussion HERE.

--Rik
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janm



Joined: 04 Oct 2010
Posts: 11

PostPosted: Thu Oct 07, 2010 8:42 am    Post subject: Reply with quote

Hi guys,

I'm not well read on forum code and did'nt understand why the images were not displaying.

Thanks for correcting and providing an explaination Rik.

Chris the Axiostar does have a tri head available for it. I have had this scope for a while now and am contemplating upgrading to a new setup so holding off buying expensive addons for the moment.

Rik i am definatley going to start taking pictures afocally and familiarise myself with the basic workflow it from there.


Jan
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