Re: B& L Dynazoom question

The manual for the Black Body Dynazooms is located on the Yahoo Group
"microscope" in the files section as a pdf document

http://f2.grp.yahoofs.com/v1/QOzaQzc_DRvY1m7WMNL6uLQjs0TnICuQJgwR-7Yv7EkUq0FBHFlYvX6_Aox-3-It3vTTvnC1ViQkV7TdxZD599Biliai/Dynazoom.pdf


It has a pictures and drawings of the substage illluminators and other
components..

Aaron



On 26 Jan 2006 04:22:01 -0600, Aaron <nghy@xxxxxxxxxxx> wrote:

>Hi,
>
>I'm pretty sure you have the older gray color Dynazoom. The top
>elements of the condenser were screwed into the stage and a thrid
>convex lens was mounted on a rack. This arrangement split the
>condenser components. .
>
>If the slider is Black it was designed for a later Black Body
>Dynazoom. The slider has a place for a daylight blue filter and
>another lens that helps illuminat the field of very low power
>objectives, 2X - 4X range. I owned both models long ago. r.
>
>The newer Black Body Dynazoom had the entire condenser mounted on the
>rack and the slider clamped onto the bottom of the condenser..
>
>The Dynazooms all have a well where the light exits the base. B & L
>made a series of neutral density filters that were placed in the well
>to adjust the intensity of the illumination. The filters were
>constructed with metal films deposited betwee tow pieces of glass.
>
>The design of the gray body Dynazoom condensers were unususal but
>effective. .
>
>Aaron
>
>
>On 25 Jan 2006 18:04:00 -0800, "hakelly" <kelly@xxxxxxxxxxxxx> wrote:
>
>>I am new to this field, and have a question about my Dynazoom condenser
>>apparatus.
>>It does not appear to conform to the setup in the Dynazoom manual, or
>>at least I am not interpreting it correctly.
>>It has a 1.3 Abbe condenser mounted non-adjustably under the stage.
>>Under that is a lens, diaphragm, and slide-in holder assembly that is
>>on a rack and pinion arm, but also non-centerable. Below that is a lens
>>in the base that transmits light up from the illuminator.
>>What, exactly , is the condenser? Is it the upper lens, intermediate
>>lens, or a combination of the two? Other condenser options for this
>>scope seem to combine all this in one assembly.
>>Is it possible to buy, say, a darkfield condenser for this model that
>>would fit?
>>The manual shows the entire condenser on the rack and pinion. Mine is
>>not like that.
>>Also it has only the one diaphragm, which I assume is the iris
>>diaphragm, but is lacking a field diaphragm - although there is a well
>>over the base lens which I assume could take various attachments.
>>The manual I have is the same as available on the web.
>>Thanks, hakelly
.