Search found 155 matches

by 92111
Sat Sep 14, 2019 11:25 pm
Forum: For forum members who want to buy and sell equipment
Topic: selling Leitz I2 Excitation Filter Cube
Replies: 2
Views: 2199

Re: selling Leitz I2 Excitation Filter Cube

hi luxikon,I returned it to the seller.
by 92111
Mon Apr 29, 2019 8:10 am
Forum: Pictures and Videos
Topic: Paramecium vedio
Replies: 6
Views: 1552

Re: Paramecium vedio

Hi,MichaelG This is my new DIY light source. If I Open aperture diaphragm (on 402condenser)when I use 100x objective, blue sport disappear. But many details also disappear. (Different with the manual said.maybe the light too strong) So I always close aperture diaphragm.blue sport appear. Thanks Mich...
by 92111
Sat Apr 27, 2019 5:03 pm
Forum: Pictures and Videos
Topic: Paramecium vedio
Replies: 6
Views: 1552

Re: Paramecium vedio

sailor_ed wrote:Very nice videos! What is your equipment?
hi
my microscope is leitz diavert with phase contrast.
camera: sony nex-5n.
camera system :leitz variable lens+0.32x lens
LED: Nichia NVSW219B
my equipment have “blue sport" problem.
by 92111
Sat Apr 27, 2019 12:04 pm
Forum: Pictures and Videos
Topic: Paramecium vedio
Replies: 6
Views: 1552

Paramecium vedio

Paramecium phase contrast 400x 30 fps

Leaving my microscope to city to work for my life
Sorry for my poor English and impolite
by 92111
Fri Mar 08, 2019 11:48 am
Forum: My microscope
Topic: Which Microscope is this?
Replies: 3
Views: 2584

Re: Which Microscope is this?

hi,
looks like chinese microscope . made in ShangHai?
brand:i don't know
Model:XP-200
http://www.yiqi.com/zt817/product_675.html
by 92111
Sat Mar 02, 2019 12:28 am
Forum: Camera systems and imaging
Topic: question about leitz eyepiece 559208 and camera system
Replies: 13
Views: 4754

Re: question about leitz eyepiece 559208 and camera system

Excellent, thanks Yes, the corner has a little more chromatic aberration, but not (I think) enough to cause any problem in normal use ... It looks like you have a fine set-up there. MichaelG. 75RR >> OK Hi MichaelG, This my new test after some adjustment,blue hot spot appear。 https://drive.google.c...
by 92111
Fri Mar 01, 2019 12:08 pm
Forum: Camera systems and imaging
Topic: question about leitz eyepiece 559208 and camera system
Replies: 13
Views: 4754

Re: question about leitz eyepiece 559208 and camera system

MichaelG. wrote: could you please post a couple of full resolution crops from DSC02099.JPG
MichaelG.
like this?
by 92111
Fri Mar 01, 2019 7:50 am
Forum: Camera systems and imaging
Topic: question about leitz eyepiece 559208 and camera system
Replies: 13
Views: 4754

Re: question about leitz eyepiece 559208 and camera system

good news everyone.
I have take a risk again ,removed the cross.
This is my new camera system ,Found in photomacrography
by 92111
Fri Mar 01, 2019 5:29 am
Forum: Camera systems and imaging
Topic: question about leitz eyepiece 559208 and camera system
Replies: 13
Views: 4754

Re: question about leitz eyepiece 559208 and camera system

Bad luck :(
yes,there is a thread.
But,there also a cross in my new eyepiece
by 92111
Sun Feb 24, 2019 11:18 am
Forum: Camera systems and imaging
Topic: question about leitz eyepiece 559208 and camera system
Replies: 13
Views: 4754

Re: question about leitz eyepiece 559208 and camera system

Thanks MichaelG
I take a risk bought it.
by 92111
Sun Feb 24, 2019 5:09 am
Forum: Camera systems and imaging
Topic: question about leitz eyepiece 559208 and camera system
Replies: 13
Views: 4754

Re: question about leitz eyepiece 559208 and camera system

i want to give up my variable lens ,because it not design for aps-c
by the way ,this is my new picture .onion :lol:
by 92111
Sun Feb 24, 2019 5:04 am
Forum: Camera systems and imaging
Topic: question about leitz eyepiece 559208 and camera system
Replies: 13
Views: 4754

question about leitz eyepiece 559208 and camera system

hi
I want to build a new camera system with Leitz 170 version Periplan eyepiece with thread .
Found leitz 559208 559231 519750 in china (NO FOUND 519 748, 519 749 and 518 058).
does leitz 559208 suit me?
by 92111
Fri Feb 22, 2019 12:23 pm
Forum: Introduce yourself
Topic: Hello from Portland, Oregon, USA
Replies: 7
Views: 2981

Re: Hello from Portland, Oregon, USA

hi health scientist.
darkfield is not common in an inverted microscope.
by 92111
Tue Feb 19, 2019 11:24 am
Forum: Illumination Techniques
Topic: New bought a leitz POL condenser
Replies: 8
Views: 2272

Re: New bought a leitz POL condenser

ChrisR wrote:Not sure what that's showing.. :? Have you joined a pol and a phase condenser?

You could use a loose sheet of pol matrial and just put it over the light, then use a DF/phase condendser?
Yes
Thanks for advise ,It can 旋转 the pol material easily.i can change it back anytime
I did this Just for fun
by 92111
Tue Feb 19, 2019 1:32 am
Forum: Illumination Techniques
Topic: New bought a leitz POL condenser
Replies: 8
Views: 2272

Re: New bought a leitz POL condenser

thanks mike

Found here,not matched very well.
by 92111
Mon Feb 18, 2019 12:44 pm
Forum: Illumination Techniques
Topic: New bought a leitz POL condenser
Replies: 8
Views: 2272

Re: New bought a leitz POL condenser

question3,what is the difference?
by 92111
Mon Feb 18, 2019 12:42 pm
Forum: Illumination Techniques
Topic: New bought a leitz POL condenser
Replies: 8
Views: 2272

Re: New bought a leitz POL condenser

question 2,what's this??
by 92111
Mon Feb 18, 2019 12:40 pm
Forum: Illumination Techniques
Topic: New bought a leitz POL condenser
Replies: 8
Views: 2272

Re: New bought a leitz POL condenser

question 1,how can i combine Polarized light, phase contrast, darkfeild like his???
https://www.youtube.com/watch?v=w-1VvpHcKms
by 92111
Mon Feb 18, 2019 12:38 pm
Forum: Illumination Techniques
Topic: New bought a leitz POL condenser
Replies: 8
Views: 2272

New bought a leitz POL condenser

hi
i come across a leitz pol condenser ,and bought it.
NO analyzer
by 92111
Fri Feb 15, 2019 9:23 am
Forum: Camera systems and imaging
Topic: Inexpensive USB 2.0 camera test with two microscope types
Replies: 51
Views: 12045

Re: Inexpensive USB 2.0 camera test

hi
there is a blue hotspot in 63x
by 92111
Wed Feb 13, 2019 10:25 am
Forum: Microscopes and optics
Topic: question about 0.32x lens
Replies: 15
Views: 2151

Re: question about 0.32x lens

hi everyone .... i want to know more?
1.what is that lens ????
2.d1=80mm right ??? abednego1995
by 92111
Tue Feb 12, 2019 2:20 am
Forum: Microscopes and optics
Topic: question about 0.32x lens
Replies: 15
Views: 2151

question about 0.32x lens

hi
i want to know,why this lens named 0.32x, not 3.2x,not 0.6x,or any number else ?
can it be used as 3.2x or 0.6x by adjust work length and focal length ?
how can i know (or calculate)its focal length,
by 92111
Wed Jan 30, 2019 10:53 am
Forum: Pictures and Videos
Topic: 92111's Picture
Replies: 10
Views: 2490

Re: 92111'ssssssssssssss Picture

exmarine wrote:I may be a bit thick but what are you trying to show in the set of photos you have displayed?
HI
show my found,just for fun.
by 92111
Wed Jan 30, 2019 10:50 am
Forum: Pictures and Videos
Topic: 92111's Picture
Replies: 10
Views: 2490

Re: 92111's Picture

fungi NO
other yes
by 92111
Wed Jan 30, 2019 4:09 am
Forum: Pictures and Videos
Topic: 92111's Picture
Replies: 10
Views: 2490

Re: 92111's Picture

se7en wrote:nice pics, what is this?
HI,se7en
Welcome to visit my picture
They are fungi and algae.
by 92111
Tue Jan 29, 2019 3:51 am
Forum: Microscopes and optics
Topic: Unitron Phase MPH Microscope
Replies: 4
Views: 1248

Re: Unitron Phase MPH Microscope

HI
I can't understand you,
you want the theory of metallographic phase contrast microscope,right?only Unitron?
Found unknown brand one
by 92111
Sun Jan 27, 2019 8:25 am
Forum: Camera systems and imaging
Topic: blue in center of FOV
Replies: 32
Views: 8815

Re: blue in center of FOV

MichaelG. wrote: is it optically identical to the Leitz original ??
Yes.
hi,
should i close the diaphragm of 402a condenser? i closed it before.
now,when i open the diaphragm of 402a condenser,blue is not prominent .but image become not clear.
found blue phase ring,when condenser at stop 2,1000x