Search found 161 matches

by david_b
Tue Sep 17, 2019 6:55 pm
Forum: Sandbox
Topic: Test only
Replies: 1
Views: 4820

Re: Test only

Testing only
by david_b
Tue Sep 17, 2019 6:51 pm
Forum: Sandbox
Topic: Test only
Replies: 1
Views: 4820

Test only

by david_b
Tue Sep 17, 2019 6:47 pm
Forum: Pictures and Videos
Topic: Two Amoeboids from this week
Replies: 18
Views: 8511

Re: Two Amoeboids from this week

There's an app for iPhone called Light Meter. Free but with annoying ads.
It seems to work though I haven't tested for accuracy.
by david_b
Mon Sep 16, 2019 10:42 pm
Forum: Pictures and Videos
Topic: Two Amoeboids from this week
Replies: 18
Views: 8511

Re: Two Amoeboids from this week

Thanks David-- The microscope is an Olympus BHS/BH2 using LED illumination (nano-dyne). The camera is a Nikon Z6 full frame mirrorless. Thank you. According to the Nanodyne spec the LED replacement is 825 lumens. How does the brightness compare with the original 100w halogen, and does it use the ex...
by david_b
Sun Sep 15, 2019 6:26 am
Forum: Pictures and Videos
Topic: Two Amoeboids from this week
Replies: 18
Views: 8511

Re: Two Amoeboids from this week

Very interesting. What microscope & camera are you using? Thanks David-- The microscope is an Olympus BHS/BH2 using LED illumination (nano-dyne). The camera is a Nikon Z6 full frame mirrorless. Thank you. According to the Nanodyne spec the LED replacement is 825 lumens. How does the brightness comp...
by david_b
Sat Sep 14, 2019 4:24 pm
Forum: Pictures and Videos
Topic: Pollen. There's lots of it about.
Replies: 132
Views: 111897

Re: Pollen. There's lots of it about.

Roldorf wrote:
Fri Jul 19, 2019 2:02 pm
Yes if I could donate (to Micam) with anything other than PayPal, I would have done it, a very nice piece of software.

Pollen from Nasturtium but not Nasturtium:
Possibly common ragwort?

http://www.northumbrianbees.co.uk/polle ... -jacobaea/
by david_b
Sat Sep 14, 2019 10:12 am
Forum: Pictures and Videos
Topic: Two Amoeboids from this week
Replies: 18
Views: 8511

Re: Two Amoeboids from this week

Very interesting.
What microscope & camera are you using?
by david_b
Thu Sep 12, 2019 3:56 pm
Forum: Pictures and Videos
Topic: Another Birdbath Rotifer
Replies: 2
Views: 2019

Re: Another Birdbath Rotifer

This one was creating quite a current!

https://tinyurl.com/yym3dshh
by david_b
Sun Sep 08, 2019 6:38 am
Forum: Digital processing
Topic: Photoshop CS6 v Helicon v Zerene,and the rest
Replies: 22
Views: 16709

Re: Photoshop CS6 v Helicon v Zerene,and the rest

That is true Viktor, but we only get 512k here for images. I resized the jpegs down three times and they were still too big, so I got fed up with it, and GIF'd them :lol: For what you are investigating/demonstrating, Dave ... I think it might be preferable to crop the images [to show only a specifi...
by david_b
Mon Sep 02, 2019 9:53 pm
Forum: Microscopes and optics
Topic: Microscope Upgrade
Replies: 19
Views: 8451

Re: Microscope Upgrade

...As such, I have looked at both Brunel , and GT Vision here in the UK, and have at the moment settled on the Brunel option. That is on the proviso that they will supply it with the standard 100x oil immersion lens, substituted with a more useful 60x Plan objective. It will have Plan objectives, a...
by david_b
Mon Sep 02, 2019 1:40 pm
Forum: Microscopes and optics
Topic: My New Olympus BX40 -first images
Replies: 36
Views: 17595

Re: My New Olympus BX40 -first images

I don't want to appear rude because I'm genuinely wanting to learn, but I'm struggling to understand why these photos are thought to be so good?
No part of the composite images, or the final stack, is sharp.
What am I missing?
Thanks