Frequently Asked Questions (FAQs)

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Announcement: FAQ: How does the Frequently Asked Questions forum work?

Last post by rjlittlefield « Mon May 11, 2009 9:49 pm

by rjlittlefield » Mon May 11, 2009 9:49 pm

Replies: 0
Views: 28895

Last post by rjlittlefield
Mon May 11, 2009 9:49 pm

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Sticky: FAQ: Example macro rigs

Last post by Chris S. « Thu Oct 06, 2016 10:09 pm

by Chris S. » Thu Oct 06, 2016 10:09 pm

Replies: 0
Views: 27819

Last post by Chris S.
Thu Oct 06, 2016 10:09 pm
EL Nikkor f2.8 on PB-6. DOF at varying magnification.

Last post by emkraak « Wed Jul 09, 2025 1:21 pm
Replies: 3
by Holterguist » Tue Jul 08, 2025 12:14 am

Replies: 3
Views: 1445

Last post by emkraak
Wed Jul 09, 2025 1:21 pm
FAQ: 3D models

Last post by Saul « Wed Jun 04, 2025 11:34 am
Replies: 41
by Saul » Wed Jul 25, 2018 8:21 am
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Replies: 41
Views: 89509

Last post by Saul
Wed Jun 04, 2025 11:34 am
FAQ: How can I hook a microscope objective to my camera?

Last post by Pau « Fri Jan 31, 2025 9:46 am
Replies: 107
by rjlittlefield » Mon Jan 24, 2011 12:53 am
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Replies: 107
Views: 625454

Last post by Pau
Fri Jan 31, 2025 9:46 am
FAQ: What BBCode tags are available in this forum?

Last post by rjlittlefield « Thu Dec 12, 2024 9:46 pm
Replies: 2
by rjlittlefield » Mon Jan 09, 2023 1:49 pm

Replies: 2
Views: 13734

Last post by rjlittlefield
Thu Dec 12, 2024 9:46 pm
Complete list of sensor sizes & Circle of Confusion...

Last post by Leonardo « Mon Jun 17, 2024 5:12 am
Replies: 3
by ofarcis » Thu Mar 28, 2013 10:22 pm

Replies: 3
Views: 38007

Last post by Leonardo
Mon Jun 17, 2024 5:12 am
FAQ: What does "Photography Through the Microscope" really mean?

Last post by rjlittlefield « Tue Nov 28, 2023 7:19 pm
Replies: 6
by rjlittlefield » Tue Nov 28, 2023 2:58 pm

Replies: 6
Views: 20876

Last post by rjlittlefield
Tue Nov 28, 2023 7:19 pm
FAQ--which Olympus objectives are good for macro work, and which are not?

Last post by Alan Wood « Sun Mar 26, 2023 3:22 am
Replies: 4
by Scarodactyl » Thu Mar 23, 2023 10:02 am

Replies: 4
Views: 15495

Last post by Alan Wood
Sun Mar 26, 2023 3:22 am
What is "stack-and-stitch", and how can I do it?

Last post by Lou Jost « Sat Mar 25, 2023 4:08 pm
Replies: 7
by rjlittlefield » Tue May 04, 2010 7:02 pm

Replies: 7
Views: 28956

Last post by Lou Jost
Sat Mar 25, 2023 4:08 pm
FAQ: What is "pupil ratio" and why would I care?

Last post by rjlittlefield « Tue Feb 07, 2023 4:08 pm
Replies: 12
by rjlittlefield » Sat Jan 09, 2010 12:47 am

Replies: 12
Views: 66713

Last post by rjlittlefield
Tue Feb 07, 2023 4:08 pm
FAQ: How to find focal length and principal planes for arbitrary lens?

Last post by rjlittlefield « Sat Jun 25, 2022 9:15 pm

by rjlittlefield » Sat Jun 25, 2022 9:15 pm

Replies: 0
Views: 13400

Last post by rjlittlefield
Sat Jun 25, 2022 9:15 pm
FAQ: How can I calculate effective aperture?

Last post by Lou Jost « Sun Apr 24, 2022 3:54 pm
Replies: 2
by rjlittlefield » Sun Nov 28, 2021 8:07 pm

Replies: 2
Views: 15565

Last post by Lou Jost
Sun Apr 24, 2022 3:54 pm
Entomology, Resources

Last post by MarkSturtevant « Sun Jan 09, 2022 5:20 pm
Replies: 6
by ChrisR » Mon Nov 30, 2009 2:39 am

Replies: 6
Views: 29525

Last post by MarkSturtevant
Sun Jan 09, 2022 5:20 pm
FAQ: Screw Threads we use

Last post by Scarodactyl « Mon Jul 27, 2020 6:51 pm
Replies: 25
by ChrisR » Tue Dec 14, 2010 8:29 am
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2
Replies: 25
Views: 120594

Last post by Scarodactyl
Mon Jul 27, 2020 6:51 pm
FAQ: Why did my post print as blank? (misused url tag)

Last post by rjlittlefield « Wed Dec 11, 2019 9:28 am
Replies: 1
by rjlittlefield » Sun Dec 02, 2012 2:12 pm

Replies: 1
Views: 20782

Last post by rjlittlefield
Wed Dec 11, 2019 9:28 am
FAQ: Why do my images lose sharpness when posted?

Last post by rjlittlefield « Thu Sep 19, 2019 2:27 pm

by rjlittlefield » Thu Sep 19, 2019 2:27 pm

Replies: 0
Views: 14994

Last post by rjlittlefield
Thu Sep 19, 2019 2:27 pm
How to type Greek letter mu (micron symbol, etc.)

Last post by Pau « Mon Jun 17, 2019 11:25 am
Replies: 16
by Chris S. » Fri Jun 14, 2019 11:28 pm
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2
Replies: 16
Views: 39190

Last post by Pau
Mon Jun 17, 2019 11:25 am
Best image processing for Zerene Stacker?

Last post by shaypivac « Wed Oct 10, 2018 11:14 pm
Replies: 6
by shaypivac » Sat Oct 06, 2018 8:10 pm

Replies: 6
Views: 20481

Last post by shaypivac
Wed Oct 10, 2018 11:14 pm
Chemicals for microscopy

Last post by rjlittlefield « Sun Oct 07, 2018 10:20 am
Replies: 4
by NikonUser » Mon Oct 24, 2011 3:46 pm

Replies: 4
Views: 25623

Last post by rjlittlefield
Sun Oct 07, 2018 10:20 am
FAQ: Stopping down a lens combo

Last post by rjlittlefield « Mon Jul 30, 2018 1:47 pm
Replies: 28
by rjlittlefield » Mon Oct 19, 2009 12:00 pm
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2
Replies: 28
Views: 75914

Last post by rjlittlefield
Mon Jul 30, 2018 1:47 pm
FAQ:How (and why) to use electronic flash at the microscope?

Last post by Robert Berdan « Tue May 01, 2018 12:45 pm
Replies: 4
by Pau » Sun Jan 11, 2015 9:20 am

Replies: 4
Views: 27686

Last post by Robert Berdan
Tue May 01, 2018 12:45 pm
FAQ: What is '100% crop' or 'actual pixels crop' ?

Last post by rjlittlefield « Tue Dec 26, 2017 1:48 pm

by rjlittlefield » Tue Dec 26, 2017 1:48 pm

Replies: 0
Views: 18484

Last post by rjlittlefield
Tue Dec 26, 2017 1:48 pm
FAQ: What's the best way to step focus when stacking?

Last post by rjlittlefield « Sun Apr 23, 2017 4:37 pm
Replies: 13
by rjlittlefield » Mon May 04, 2009 4:36 pm

Replies: 13
Views: 113525

Last post by rjlittlefield
Sun Apr 23, 2017 4:37 pm
Why does my browser suddenly say "Not secure" ?

Last post by zzffnn « Sat Apr 22, 2017 9:10 pm
Replies: 7
by rjlittlefield » Wed Feb 22, 2017 4:01 pm

Replies: 7
Views: 22430

Last post by zzffnn
Sat Apr 22, 2017 9:10 pm
FAQ: There's a PM stuck in my Outbox. What's wrong?

Last post by rjlittlefield « Mon Feb 27, 2017 8:53 pm

by rjlittlefield » Mon Feb 27, 2017 8:53 pm

Replies: 0
Views: 17709

Last post by rjlittlefield
Mon Feb 27, 2017 8:53 pm
Simple Diffuse Illumination

Last post by ChrisR « Sat Jul 30, 2016 1:23 pm
Replies: 4
by ChrisR » Tue Dec 23, 2014 4:46 pm

Replies: 4
Views: 24464

Last post by ChrisR
Sat Jul 30, 2016 1:23 pm
FAQ: why did my image lose sharpness when uploaded?

Last post by rjlittlefield « Tue May 24, 2016 10:05 pm

by rjlittlefield » Tue May 24, 2016 10:05 pm

Replies: 0
Views: 16847

Last post by rjlittlefield
Tue May 24, 2016 10:05 pm
FAQ: List of close-up lenses

Last post by ChrisR « Tue May 10, 2016 7:36 am
Replies: 9
by ChrisLilley » Wed Nov 24, 2010 2:51 pm

Replies: 9
Views: 80456

Last post by ChrisR
Tue May 10, 2016 7:36 am
How do I make a GIF animation in Photoshop?

Last post by crazybread « Sat Apr 16, 2016 8:20 pm
Replies: 3
by steveminchington » Mon Dec 22, 2014 6:09 am

Replies: 3
Views: 21011

Last post by crazybread
Sat Apr 16, 2016 8:20 pm
Reading an objective's specs

Last post by cadman342001 « Mon Feb 15, 2016 4:32 am
Replies: 8
by hayath » Tue May 22, 2012 11:57 am

Replies: 8
Views: 37235

Last post by cadman342001
Mon Feb 15, 2016 4:32 am
FAQ: Assessment of empty magnification using GIMP

Last post by rjlittlefield « Sun Feb 07, 2016 12:35 am
Replies: 13
by Bushman.K » Wed Dec 16, 2015 1:02 pm

Replies: 13
Views: 33417

Last post by rjlittlefield
Sun Feb 07, 2016 12:35 am
FAQ: Where to buy new Nikon, Mitutoyo & other objectives

Last post by ChrisR « Thu Jan 21, 2016 3:04 am
Replies: 2
by ChrisR » Thu Apr 09, 2015 8:19 am

Replies: 2
Views: 24534

Last post by ChrisR
Thu Jan 21, 2016 3:04 am
FAQ: software

Last post by zzffnn « Tue Dec 01, 2015 10:42 am
Replies: 3
by AndrewC » Sun Nov 21, 2010 3:01 am

Replies: 3
Views: 23088

Last post by zzffnn
Tue Dec 01, 2015 10:42 am
FAQ: What factors affect the speed of Zerene Stacker?

Last post by rjlittlefield « Wed Apr 15, 2015 12:17 pm
Replies: 3
by mawyatt » Wed Apr 15, 2015 8:35 am

Replies: 3
Views: 19885

Last post by rjlittlefield
Wed Apr 15, 2015 12:17 pm
FAQ: How do you illuminate your subject?

Last post by NikonUser « Wed Feb 18, 2015 6:42 pm
Replies: 2
by NikonUser » Sat Sep 05, 2009 5:40 am

Replies: 2
Views: 27046

Last post by NikonUser
Wed Feb 18, 2015 6:42 pm
FAQ: How do I get a bit more magnification?

Last post by ChrisR « Tue Sep 16, 2014 8:49 am

by ChrisR » Tue Sep 16, 2014 8:49 am

Replies: 0
Views: 19561

Last post by ChrisR
Tue Sep 16, 2014 8:49 am
Help - posting images.

Last post by ChrisR « Sun Jun 29, 2014 7:08 am
Replies: 1
by miguel5526 » Sun Jun 29, 2014 6:45 am

Replies: 1
Views: 17997

Last post by ChrisR
Sun Jun 29, 2014 7:08 am
How do I get 1.4x to 3.9x magnification on a Dx sensor?

Last post by NikonUser « Sun Mar 09, 2014 9:27 am

by NikonUser » Sun Mar 09, 2014 9:27 am

Replies: 0
Views: 17655

Last post by NikonUser
Sun Mar 09, 2014 9:27 am
Mixing images with Zerene?

Last post by rjlittlefield « Mon Mar 03, 2014 11:27 am
Replies: 1
by soldevilla » Mon Mar 03, 2014 9:49 am

Replies: 1
Views: 17721

Last post by rjlittlefield
Mon Mar 03, 2014 11:27 am
New CF Lenses brochure from Feb 1989

Last post by ray_parkhurst « Sun Jan 19, 2014 10:38 am
Replies: 2
by ray_parkhurst » Sun Jan 19, 2014 9:56 am

Replies: 2
Views: 19186

Last post by ray_parkhurst
Sun Jan 19, 2014 10:38 am
Total Magnification with DSLR and Trinocular Microscope ?

Last post by rjlittlefield « Wed Oct 16, 2013 9:27 pm
Replies: 2
by bcgeo » Wed Oct 16, 2013 7:14 pm

Replies: 2
Views: 21934

Last post by rjlittlefield
Wed Oct 16, 2013 9:27 pm
FAQ: What is a "tube lens"?

Last post by rjlittlefield « Tue Apr 09, 2013 3:50 pm

by rjlittlefield » Tue Apr 09, 2013 3:50 pm

Replies: 0
Views: 25988

Last post by rjlittlefield
Tue Apr 09, 2013 3:50 pm
Microscopy Supplies, incl: slides, chemicals etc.

Last post by NikonUser « Tue Apr 02, 2013 1:39 pm
Replies: 1
by NikonUser » Thu Jan 10, 2013 5:51 am

Replies: 1
Views: 18760

Last post by NikonUser
Tue Apr 02, 2013 1:39 pm
FAQ: What is a JML 21mm f/3.5 lens?

Last post by rjlittlefield « Thu Dec 27, 2012 3:55 pm
Replies: 4
by rjlittlefield » Wed Dec 26, 2012 4:01 pm

Replies: 4
Views: 24881

Last post by rjlittlefield
Thu Dec 27, 2012 3:55 pm
Mounting small bugs

Last post by dissent « Thu Dec 06, 2012 12:11 pm
Replies: 1
by NikonUser » Thu Sep 06, 2012 6:38 am

Replies: 1
Views: 23167

Last post by dissent
Thu Dec 06, 2012 12:11 pm
FAQ: Where do I find ID guides and references for naming?

Last post by ChrisR « Fri Oct 12, 2012 8:06 am
Replies: 19
by rjlittlefield » Mon May 25, 2009 1:40 pm
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Replies: 19
Views: 73654

Last post by ChrisR
Fri Oct 12, 2012 8:06 am
Where To Find Information On Legacy Lenses

Last post by enricosavazzi « Mon Aug 27, 2012 2:02 am
Replies: 3
by Harold Gough » Mon Apr 09, 2012 4:46 am

Replies: 3
Views: 24306

Last post by enricosavazzi
Mon Aug 27, 2012 2:02 am
Microscope FAQ

Last post by yminter « Mon Jun 18, 2012 8:35 am
Replies: 5
by Charles Krebs » Fri Nov 06, 2009 11:53 am

Replies: 5
Views: 27106

Last post by yminter
Mon Jun 18, 2012 8:35 am
Books for nature and macro photography

Last post by Craig Gerard « Fri Mar 09, 2012 10:43 pm
Replies: 1
by AndrewC » Wed May 18, 2011 9:55 am

Replies: 1
Views: 20877

Last post by Craig Gerard
Fri Mar 09, 2012 10:43 pm
FAQ: Online resources for macro photography

Last post by rjlittlefield « Mon Oct 24, 2011 4:38 pm

by rjlittlefield » Mon Oct 24, 2011 4:38 pm

Replies: 0
Views: 19449

Last post by rjlittlefield
Mon Oct 24, 2011 4:38 pm

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