Search found 1451 matches

by charlie g
Sat Jun 06, 2015 1:50 pm
Forum: Introduce yourself
Topic: new world
Replies: 7
Views: 2366

Re: new world

Welcome...I hope you get a niece comfortable table spot to enjoy your microscopic adventures! charlie guevara
by charlie g
Sat Jun 06, 2015 1:45 pm
Forum: Introduce yourself
Topic: new boy
Replies: 29
Views: 4709

Re: new boy

crossed polarizing filters which I made from movie 3D glasses Thanks I will try that Hello, Bally and all. Yes, yes Bally...you can easily and low cost place two astronomy polarizer filters on top of each of your stereo scopes occulars...and a larger diameter polarizer filter in front of what ever ...
by charlie g
Sat Jun 06, 2015 1:28 pm
Forum: Introduce yourself
Topic: hello.
Replies: 10
Views: 2633

Re: hello.

Oooops! I mean to say: 'yeaah' to Phil and Jim T!
by charlie g
Sat Jun 06, 2015 1:21 pm
Forum: Introduce yourself
Topic: hello.
Replies: 10
Views: 2633

Re: hello.

Yeah to Phil and Jim T...we go up rt 81 from finger lakes/US...and summer on St.Lawrence River each year. Both the finger lakes, and St.Lawrence river very young...thanks to our regions last glacial retreat about 10,000 years ago. Water and microscopy of aquatic life...and the threads of waters thro...
by charlie g
Fri May 22, 2015 4:25 pm
Forum: Pictures and Videos
Topic: Rotifer (short video)
Replies: 10
Views: 1368

Re: Rotifer (short video)

Hi again, 75RR and gekko. I have an Olympus stand with a 40X DIC prism+objective...I purchased the complimentary 40X substage prism filter...cobbled with a substage polarizer...I think I achieved: 'poor mans DIC'. I used the shell of a freshwater seed-shrimp (Ostracod species)...I ran the setup and ...
by charlie g
Fri May 22, 2015 4:11 pm
Forum: Pictures and Videos
Topic: Amoeba (another one)
Replies: 13
Views: 1738

Re: Amoeba (another one)

I am an inexperienced image capture microscopist, and I am neoludite regarding the software image enhancements you have helped me with, gekko! But with my DL phase observing, or simple crossed-pol observing, or DF observing...I always encounter the issue you kindly bring to light now ( I could,nt re...
by charlie g
Fri May 22, 2015 3:58 pm
Forum: Microscopes and optics
Topic: More bad Russian glass
Replies: 12
Views: 2928

Re: More bad Russian glass

Sorry for your optics let down, Crater Eddie. I'm con-US and always 'chickened out' of purchase from Belarus..often I see optics from there which I would like to aquire...I just worried about return policy. I am glad to learn the seller will refund to you..it's still a loss for everyone around the p...
by charlie g
Fri May 22, 2015 3:44 pm
Forum: Pictures and Videos
Topic: Rotifer (short video)
Replies: 10
Views: 1368

Re: Rotifer (short video)

The crystaline texture of this rotifer takes me fondly back to childhood days of visiting the NyC: Museum of Natural History. In a huge displlay, life in a drop of pond water is depicted by blown-glass protists, algae and protozoa alike...each organism made by hand of blown glass! Years latter as a ...
by charlie g
Fri May 22, 2015 3:33 pm
Forum: Pictures and Videos
Topic: Amoeba (another one)
Replies: 13
Views: 1738

Re: Amoeba (another one)

Hi 75R and gekko. Please tell,gekko, can you alter the background of this DIC image from...dark...to grey...to light...in a wetmount slide with a specimen like this? I ask as some of your other DIC images of protists...did not to my recollection have this dark (almost: crossed polarizer filter dark!...
by charlie g
Fri May 22, 2015 2:30 pm
Forum: Pictures and Videos
Topic: Amoeba (another one)
Replies: 13
Views: 1738

Re: Amoeba (another one)

Charming colors,Gekko....is this darkfield, is it oblique phase contrast substage filter setup...please share the contrast method? My intrest is in the predominance of only those two distincly different colors!

Thank you for this protist image. charlie guevara/ finger lakes,US
by charlie g
Fri May 22, 2015 2:12 pm
Forum: My microscope
Topic: A Few of my Modern Microscopes
Replies: 13
Views: 4254

Re: A Few of my Modern Microscopes

Thank you Charles, for the elegant systems you shared with us. I have a soft spot for that curvacious black enamel stand which is on the cat walk near the end of this spectacular exhibit. The forms of these stands seem to have an organic theme...I'd love to hear the 'click' of an objective being bro...
by charlie g
Fri May 22, 2015 1:43 pm
Forum: Introduce yourself
Topic: From Belgium
Replies: 4
Views: 1730

Re: From Belgium

Greetings and welcome,Joris. I'm glad you are able to attend a microscope-club in your area. With my location...this forum( thanks again,Oliver!), and a few other online-forums are my microscopist community.

I hope to share forum microscopy with you and others! charlie guevara/ finger lakes,US
by charlie g
Fri May 22, 2015 1:34 pm
Forum: Introduce yourself
Topic: hello.
Replies: 10
Views: 2633

Re: hello.

Welcome, Phil...I so enjoyed your shareing the path of your microscopy...thank you so much for that! I am eager to share some of your plankton microscopy world views in this forum. It sounds great that you have adopted a sense of place involving a specific body of water. For me the linkages between ...
by charlie g
Mon Feb 23, 2015 1:41 am
Forum: Pictures and Videos
Topic: Pencil wood-shavings
Replies: 21
Views: 2820

Re: Pencil wood-shavings

Hello Gekko and all..I guess I need to go to Oliver's section on 'reduceing file size' before attempting to post images...my images are 'too large a file size' to be acceptable for posting. Anyway...your secondary growth zyleme/wood...is clearly conifer wood...based upon the excellent round bordered...
by charlie g
Sun Feb 22, 2015 2:47 am
Forum: Specimens, samples and slides
Topic: Water organisms in cold water
Replies: 6
Views: 4297

Re: Water organisms in cold water

Hello...go to Olivers: 'author index'...look for charles guevara...keep warm...and keep microscopy looking in winter!
by charlie g
Sun Feb 22, 2015 2:30 am
Forum: Pictures and Videos
Topic: Christmas Cactus
Replies: 11
Views: 1615

Re: Christmas Cactus

Long ago as undergrad..I used succulent plant: Kalenchoe daigremontianum(?sp?)...a succulent termed:'the pregnancy plant'. I have the 1974 preparred slides I made for a microtechnique course under Dr. Randal...thank you Dr.Randal! My wax blocks I was able to section at about 7-10 microns (giving awa...
by charlie g
Sat Feb 21, 2015 6:54 pm
Forum: Pictures and Videos
Topic: Yet more from the Haematococcus culture jar
Replies: 10
Views: 1613

Re: Yet more from the Haematococcus culture jar

The red pigment is a very good antioxident nutrient which your hardy protist: Haematococcus pluvialis makes. Everything including pink flamingo birds, pink fleshy salmon fish, pink fleshy shrimp..and we humans ingest this protist made pigment! They have huge open air culture tanks in Hawaii (I think...
by charlie g
Sat Feb 21, 2015 6:38 pm
Forum: Pictures and Videos
Topic: A protozoan
Replies: 8
Views: 1719

Re: A protozoan

Nice hypotrich, I promise to get out my: "Protozoology" 5th edition,Kudo...and stick my neck out.

Kudo's to you, Gekko. charlie guevara
by charlie g
Sat Feb 21, 2015 6:35 pm
Forum: Pictures and Videos
Topic: Christmas Cactus
Replies: 11
Views: 1615

Re: Christmas Cactus

Very nice section of a 'succulent'! thank you, charlie guevara
by charlie g
Sat Feb 21, 2015 6:32 pm
Forum: Pictures and Videos
Topic: Pattern in Garlic Skin [pictures added]
Replies: 15
Views: 2295

Re: Pattern (with a little noise)

Beautiful, Gekko...reminds me of the cargo-containers 'back logged' at the California dock work slow down.

Please tell us what the image is?! charlie guevara
by charlie g
Sat Feb 21, 2015 6:22 pm
Forum: Pictures and Videos
Topic: Pencil wood-shavings
Replies: 21
Views: 2820

Re: Pencil wood-shavings

Fantastic that you image captured: 'round bordered pits'...of secondary-growth zyleme (secondary growth zyleme=wood!). Your use of a lead pencil-sharpener to get your samples is so ellegant, Gekko! I'm now thinking that we can determine if the 'wood' is angiosperm tree wood...or conifer tree wood......
by charlie g
Wed Feb 18, 2015 8:39 pm
Forum: My microscope
Topic: My first microscope
Replies: 46
Views: 9571

Re: My first microscope

Wonderful and quite adaptable gear you have, kkokolis. I sense though..you will get a case of: 'microscope-fever'...and start thinking about purchase of a compound microscope. The compound microscope with 2XPlan objective, and 4XPlan objective..with 6X, 8X,the usual 10X eyepieces...will permit a lot...
by charlie g
Wed Feb 18, 2015 4:12 am
Forum: Introduce yourself
Topic: Hello from Maine
Replies: 9
Views: 3004

Re: Hello from Maine

Hello, AMU, and welcome! Regarding clearing of insects...Ohio grad student: ZL"Kai"Burington swears by a combination of: sodium hydroxide,acetic acid, and lactic acid ( her blogg mentions this on 1/2/15.). Google her name+clearing agent. Before this 'improvement, "Kai" swwore by 80% lactic acid: 'th...
by charlie g
Wed Feb 18, 2015 3:49 am
Forum: My microscope
Topic: My first microscope
Replies: 46
Views: 9571

Re: My first microscope

My 'Lunar polarizers 'simply screw apart...but microscope polarizer pairs are lowcost..for simple DIY cross-pol microscopy.

charlie guevara
by charlie g
Wed Feb 18, 2015 3:26 am
Forum: Introduce yourself
Topic: Walter from Italy
Replies: 8
Views: 2790

Re: Walter from Italy

Warmest welcome, Walter! I enjoy your foraminoferens, you opened my eyes to their importance on the sea floors.

charlie guevara in cold finger lakes/USA
by charlie g
Mon Feb 16, 2015 4:10 pm
Forum: My microscope
Topic: My first microscope
Replies: 46
Views: 9571

Re: My first microscope

Hello...put one below the microscope stage..in the light path. To try the technique 'DIY', place the second polarizer filter right over the eye piece...rotate this polarizer as you look through the microscope. all the best, charlie Guevara/finger lakes,US
by charlie g
Mon Feb 16, 2015 4:00 pm
Forum: Pictures and Videos
Topic: 40X and 60X objectives
Replies: 21
Views: 3890

Re: 40X and 60X objectives

After this nice thread, I tested the Leitz Wetzlar/Germany Flour 63X objective..it works fine. If you are interested in both a 20X, and 63X objective, Crater Eddy ( have I enjoyed your postings a few years back, in: www.cloudynights.com ?!) ..if you are interested in both these 160 mm tube length ob...
by charlie g
Sun Feb 15, 2015 2:45 pm
Forum: My microscope
Topic: My first microscope
Replies: 46
Views: 9571

Re: My first microscope

Thanks for shareing the tour of:'King Solomons Mines', kkokkolis, I enjoyed it very much. Please try a low cost pen-lazer ( or the beam from your collimator-lazer?) ..shine it at different angles into some of your crystals. The internal reflections you may encounter are spectacular..and look at the ...
by charlie g
Sun Feb 15, 2015 2:20 pm
Forum: Pictures and Videos
Topic: Diatomée
Replies: 6
Views: 1365

Re: Diatomée

That pennate diatom with all the oil globules..well I want to pop it in my mouth like a cough-drop! Beautiful structure...pleasing colors, vessele...thank you! I find so often that the freshwater diatoms I encounter in the thick of harshly cold winters, these are loaded with those pleasing oil globu...
by charlie g
Sun Feb 15, 2015 2:04 pm
Forum: Pictures and Videos
Topic: 40X and 60X objectives
Replies: 21
Views: 3890

Re: 40X and 60X objectives

Congrats ,Jim T on giving us a 'shoot out' between your 40X and 60X dry objectives..yes Dale will like his Plan objectives more so than achromatic objectives...they do cost more on a new microscope. I have a wonderful 'work horse' Nikon, Japan Plan 60X/0.85,160 tube length,0.11-0.23 ( a correction-c...