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basics of vibration control w/ copy stand?
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Aenima



Joined: 28 Jun 2017
Posts: 41
Location: UK

PostPosted: Tue Oct 30, 2018 6:56 pm    Post subject: Reply with quote

a brief update - instead of persevering with the microscope / camera separation, I realised a lot of my motivation for trying this was basically 'macro' rather than 'micro' - so I kick-started a side project i'd been hoping to one day achieve and moved the copy stand across, and am figuring out some kind of vertical macro setup using my old 1000D canon.

with any luck I will then have two independent setups, [microscope/macro] and won't have to keep bodging the BH2 into service for focus stacking, and would also end up with a few more options.

Without a reliable rail, i've stuck the dslr directly to the stand and will try out moving the subject up and down instead - i stole a dual-speed focuser from my telescope which does the job for now, but it can't be a permanent fixture. Ideally another olympus focus block would work, but they aren't easy to find cheaply.


Anyway, i'll probably end up posting some results if i hit on something that works. Smile

thank you once more for the suggestions and feedback.
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JohnyM



Joined: 24 Dec 2013
Posts: 359

PostPosted: Tue Oct 30, 2018 7:21 pm    Post subject: Reply with quote

How will you solve lighting issue while moving the subject?
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Aenima



Joined: 28 Jun 2017
Posts: 41
Location: UK

PostPosted: Tue Oct 30, 2018 9:39 pm    Post subject: Reply with quote

JohnyM wrote:
How will you solve lighting issue while moving the subject?


Good question haha Embarassed umm, well so far I've been trying diffusers like a white plastic coffee cup with bottom cut out, and the insect is raised/lowered inside it - i'm thinking.. [I could be wrong] that with a reasonably high magnification/shallow DOF the distance it moves won't be very much? about an inch or so to cover eg a beetle ..?

I got hold of a cheap flashgun, and found the images are sharper, but the flash itself - a Neewer tt560 - is giving out inconsistent light, [even with no movement] so both those problems are mixed in together at the moment [subject movement and flash troubles] but yeah, its definitely something I should be working on Smile

i'm trying various things though - it feels like I have lots of bits, but they aren't quite coming together properly Embarassed Question
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Aenima



Joined: 28 Jun 2017
Posts: 41
Location: UK

PostPosted: Tue Oct 30, 2018 9:49 pm    Post subject: Reply with quote

this was the first try using the flash and vertical setup - a Telescope focuser for subject movement.

I was so chuffed to have gotten something to work I forgot to insert a colour background, so its boring grey - its a head of a bug that I made a pano of a week or so back [using the microscope] . Smile

the lens was a lomo 3.7 on a canon 1000D

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rjlittlefield
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Joined: 01 Aug 2006
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Location: Richland, Washington State, USA

PostPosted: Tue Oct 30, 2018 10:03 pm    Post subject: Reply with quote

This looks good!

No worries about the "boring grey". Grey serves as a nice reference that suggests the subject's color really is as shown. A bit of color might be nice, but only something that complements the subject, and not garish.

--Rik
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Aenima



Joined: 28 Jun 2017
Posts: 41
Location: UK

PostPosted: Tue Oct 30, 2018 10:52 pm    Post subject: Reply with quote

thanks Rik - yeah the bugs colours are really nice up close - I don't think I posted the original pano that I made when I first got it [using the microscope and ping-pong ball diffuser]. Was a bit too big of a task really, but I saw it through Very Happy

Around 100 panels I believe, with each one a focus stack, lol my dslr was sore afterwards... Exclamation

'Man-faced' beetle panorama by Jay Bird, on Flickr


this is the zoomable image near full size on extrazoom

http://extrazoom.com/image-100082.html?s=huln50x50
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rjlittlefield
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Joined: 01 Aug 2006
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Location: Richland, Washington State, USA

PostPosted: Tue Oct 30, 2018 11:28 pm    Post subject: Reply with quote

The pano is very impressive!

What are the pixel dimensions of that thing, anyway?

--Rik
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Aenima



Joined: 28 Jun 2017
Posts: 41
Location: UK

PostPosted: Wed Oct 31, 2018 4:55 pm    Post subject: Reply with quote

rjlittlefield wrote:
The pano is very impressive!

What are the pixel dimensions of that thing, anyway?

--Rik
thabks - i'm not 100 percent on some details, but the extrazoom image is 8000px wide, and was reduced from the original 1.32gb (gigapixel?) stitch from microsoftICE. My laptop really struggled, and tiny adjustments took a very long time to compute

I will need to figure a few things out before i try something like that again Razz

the overall setup and technique was less than ideal - the depressing thing was i probably could have gotten a similar result with a macro lens and 10 shots ... haha oh well. Embarassed Razz Exclamation Laughing live 'n' learn innit
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JohnyM



Joined: 24 Dec 2013
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PostPosted: Wed Oct 31, 2018 5:39 pm    Post subject: Reply with quote

That is some impressive photo! And you certainly handled your lighting very well, despite it moving against the subject.

Question though:
What you did with output image? What was your motivation to create that ~100 tile stich?

8000px is indeed something that you can quite eazy capture with modern camera like A7R series or similar, and it produces okay'ish 150cmx100cm print.
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Aenima



Joined: 28 Jun 2017
Posts: 41
Location: UK

PostPosted: Wed Oct 31, 2018 7:16 pm    Post subject: Reply with quote

JohnyM wrote:
That is some impressive photo! And you certainly handled your lighting very well, despite it moving against the subject.

Question though:
What you did with output image? What was your motivation to create that ~100 tile stich?

8000px is indeed something that you can quite eazy capture with modern camera like A7R series or similar, and it produces okay'ish 150cmx100cm print.


haha - another good question Very Happy i honestly have zero clue why i did it. I think i basically started with a shot of the eye - then a stitch of the head - figured why not keep going and got carried away - by the time i realised how many panels such a narrow FOV would require it was halfway through Razz
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ChrisR
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Joined: 14 Mar 2009
Posts: 7870
Location: Near London, UK

PostPosted: Thu Nov 01, 2018 3:42 am    Post subject: Reply with quote

The original on Flickr is 13586 wide
So you'd need a 120MP camera, and a lens which might cost a bit more than the £25 Lomo!
Cool
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Chris R
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Aenima



Joined: 28 Jun 2017
Posts: 41
Location: UK

PostPosted: Thu Nov 01, 2018 9:26 pm    Post subject: Reply with quote

ChrisR wrote:
The original on Flickr is 13586 wide
So you'd need a 120MP camera, and a lens which might cost a bit more than the £25 Lomo!
Cool


hmm, actually that is slightly consoling ChrisR, thank you Smile I do kinda like the image - but I just think next time I should be a bit smarter with my time/energy/equipment etc. Embarassed

like e.g my poor DSLR has only so many shutter clicks before it goes to silicon heaven Smile [and I wasn't it's first owner] Razz
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Aenima



Joined: 28 Jun 2017
Posts: 41
Location: UK

PostPosted: Thu Nov 08, 2018 2:32 pm    Post subject: Reply with quote

testing out flash - seems to be a lot sharper (also the lomo 3.7x helped there as well) Smile

Really pleased to have something set up that can produce a reasonable result.

Still a lot of tweaking to be done, but happy with the progress.

fly lomo 3,7x by Jay Bird, on Flickr



*single stack of ~200 frames ISO100 1/200s - tt560 flash - 1000D canon, lomo 3.7x obj
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