Re: digital cameras

Posted by Michael Weber-4 on
URL: http://confocal-microscopy-list.275.s1.nabble.com/digital-cameras-tp2846998p2883706.html

Ok, Glen mentioned that already. Forget about it then.

> If one already has to capture 3 images, I am wondering if it would be a
> good idea to use a monochrome camera plus three R/G/B filters sitting in
> the fluorescence filter turret. The acquisition software can be set up in
> a way that it takes three images and changes the filters in between.



>> Just a minor correction for the archives more than anything else. If I'm
>> not
>> mistaken the SPOT RT slider does not use a Bayer Mosaic filter but an
>> LCD RGB color changing filter, so that three shot colour images may be
>> taken
>> at full chip resolution.
>>
>> Cheers
>> Steve Cody
>> 2009/5/12 David Barnes <[hidden email]>
>>
>>> Thanks Brian, and on that note, the newer RGB Sliders from QImaging
>>> have
>>> three ports, a clear port for most fluro, a clear port w/ IR blocking,
>>> and
>>> the LCF port. In addition, the Q filter is easily rotatable with
>>> respect
>>> to
>>> the camera body, to eliminate polarization interference. The filter is
>>> controlled thru the Q camera, or can be used with other cameras via a
>>> CRI
>>> control box.
>>>
>>> dave
>>>
>>>   On Mon, May 11, 2009 at 12:31 PM, Armstrong, Brian
>>> <[hidden email]>wrote:
>>>
>>>> Elaine, we have both systems, that is: SPOT RT Slider, and a Retiga
>>>> EXi
>>>> with a CRI Liquid Crystal Tunable Filter. I think both are viable
>>>> options. The SPOT system will most likely cost less and I like the
>>>> SPOT
>>>> software which is easy to use and free. The Retiga/CRI system is a
>>>> better system in my humble opinion, and we operate this with Image Pro
>>>> Plus software.
>>>> Cheers,
>>>>
>>>>
>>>> Brian D Armstrong PhD
>>>> Light Microscopy Core Manager
>>>> Beckman Research Institute
>>>> City of Hope
>>>> Dept of Neuroscience
>>>> 1450 E Duarte Rd
>>>> Duarte, CA 91010
>>>> 626-256-4673 x62872
>>>> http://www.cityofhope.org/research/support/Light-Microscopy-Digital-Imag
>>>> ing/Pages/default.aspx
>>>> -----Original Message-----
>>>> From: Confocal Microscopy List
>>>> [mailto:[hidden email]]
>>>>  On Behalf Of Glen MacDonald
>>>> Sent: Monday, May 11, 2009 8:59 AM
>>>> To: [hidden email]
>>>> Subject: Re: digital cameras
>>>>
>>>> Dear Elaine,
>>>> Along the same approach, CRI makes tunable filters that can be fitted
>>>> to most microscopes to allow RGB brightfield images with any
>>>> monochrome camera.  then you still have the ability for fluorescence,
>>>> provided your camera has a QE curve and sufficient cooling for long
>>>> exposures (or you have bright fluorescent labels).  Such filters can
>>>> be readily controlled by most acquisition software and provide
>>>> automatic white balance to set exposure times.  With most acquisition
>>>> software, you can also set the fluorescent filters for sequential
>>>> acquisition  of red, green and blue channels of a brightfield image.
>>>> Although, white balance may not be automated.
>>>>
>>>> Regards,
>>>> Glen
>>>>
>>>> On May 10, 2009, at 11:42 PM, Cameron Nowell wrote:
>>>>
>>>> > Hi Elaine,
>>>> >
>>>> > I concur with Peter. I have been using SPOT RT (and Pursuit) Sliders
>>>> > for the last 4 years. They work great, very sensitive for
>>>> > fluorescence and take good quality colour images. Basically you get
>>>> > two cameras in one. The software they use is simple and fairly
>>>> > intuitive to use. I don't think i have ever had a user say that it
>>>> > was difficult to use.
>>>> >
>>>> >
>>>> > Cheers
>>>> >
>>>> > Cam
>>>> >
>>>> >
>>>> >
>>>> > Cameron J. Nowell
>>>> > Microscopy Manager
>>>> > Centre for Advanced Microscopy
>>>> > Ludwig Institute for Cancer Research
>>>> > PO Box 2008
>>>> > Royal Melbourne Hospital
>>>> > Victoria, 3050
>>>> > AUSTRALIA
>>>> >
>>>> > Office: +61 3 9341 3155
>>>> > Mobile: +61422882700
>>>> > Fax: +61 3 9341 3104
>>>> >
>>>> > Facility Website
>>>> >
>>>> >
>>>> > From: Confocal Microscopy List
>>>> [mailto:[hidden email]
>>>> > ] On Behalf Of Peter Pitrone
>>>> > Sent: Monday, 11 May 2009 4:34 PM
>>>> > To: [hidden email]
>>>> > Subject: Re: digital cameras
>>>> >
>>>> > Hello Elaine,
>>>> >
>>>> > I would recommend a SPOT RT Slider, or something similar. It is a
>>>> > Monochrome camera with a bayer filter slider that you can remove for
>>>> > fluorescence. Monochrome cameras are always better for fluorescence
>>>> > (bayer filters  always eat a lot of light) with higher Quantum
>>>> > Efficiencies.
>>>> >
>>>> > Pete
>>>> >
>>>> > On May 8, 2009, at 8:51 PM, Elaine Kunze wrote:
>>>> >
>>>> > One of our labs is planning to buy a color digital camera for
>>>> bright-
>>>> > field and fluorescence pictures.   They are considering the PAXcam2+
>>>> > and Infinity X32.  Does anyone have any experience with either of
>>>> > these two color cameras or any other camera suggestions?
>>>> >
>>>> > Elaine Kunze
>>>> > Cytometry Facility
>>>> > Huck Institute of the Life Sciences
>>>> > 319 Life Sciences Building
>>>> > Penn State University
>>>> > University Park, PA 16802
>>>> > http://www.huck.psu.edu/facilities/cytometry-up/
>>>> > 814-863-2762
>>>> >
>>>> >
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>>>>
>>>>
>>>>
>>>> Glen MacDonald
>>>> Core for Communication Research
>>>> Virginia Merrill Bloedel Hearing Research Center
>>>> Box 357923
>>>> University of Washington
>>>> Seattle, WA 98195-7923  USA
>>>> (206) 616-4156
>>>> [hidden email]
>>>>
>>>> ************************************************************************
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>>
>>
>> --
>> Stephen H. Cody