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Canon Macro Photo 20mm 1:3.5
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PostPosted: Fri Apr 03, 2020 12:44 am    Post subject: Canon Macro Photo 20mm 1:3.5 Reply with quote
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Last edited by Blazer0ne on Tue Feb 22, 2022 4:20 pm; edited 4 times in total


PostPosted: Wed Apr 08, 2020 2:03 pm    Post subject: Reply with quote
I've been interested in this lens ever since I came across listings for it in the backs of photo magazines back in the 80s. Never pulled the trigger on one, though. Wish I would have. It's nice to see what actual images look like from that lens.

I'm curious -- what did you have the lens stopped down to for the above shot? Are you mounting it to a bellows?


PostPosted: Wed Apr 08, 2020 2:21 pm    Post subject: Reply with quote
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Last edited by Blazer0ne on Tue Feb 22, 2022 4:20 pm; edited 3 times in total


PostPosted: Wed Apr 08, 2020 11:20 pm    Post subject: Reply with quote
Excellent catch! I have it an its 35mm sister lens, both are excellent dedicated macro lenses!


PostPosted: Sat Apr 11, 2020 3:59 am    Post subject: Reply with quote
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Last edited by Blazer0ne on Tue Feb 22, 2022 6:57 pm; edited 1 time in total


PostPosted: Sat Apr 11, 2020 10:02 am    Post subject: Reply with quote
Lovely little lens. There's a few of my pictures with it here; http://forum.mflenses.com/canon-20mm-f3-5-macrophoto-lens-t79674,highlight,%2Bcanon+%2B20mm.html


PostPosted: Sun Apr 12, 2020 2:21 am    Post subject: Reply with quote
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Last edited by Blazer0ne on Tue Feb 22, 2022 4:20 pm; edited 1 time in total


PostPosted: Wed Jul 07, 2021 10:20 pm    Post subject: Reply with quote
The Canon Macro 3.5/20mm is as exciting as I had suspected ... take a really small (<1cm) and boring looking flower and put it on the Macro Stand ... just one light source, enlargement around 4:1 ...



Sandwich of two photos, one taken wide open at f3.5 and a second one at f8.

Lots of interesting images to come, I'm sure Wink

S


PostPosted: Wed Jul 07, 2021 11:09 pm    Post subject: Reply with quote
Like 1


PostPosted: Thu Jul 08, 2021 4:55 am    Post subject: Reply with quote
Blazer0ne wrote:

I am interested in a stacking setup. From my initial impression a stacker could be built from surplus 3D printer parts.

I've been thinking the same about a stacking setup, but I can't decide on if I want it automated or full manual, and I want somecompact and portable, I've been thinking of a microscope focus mechanism as the rail, 1" of travel is lots for this kind of magnification.
For the lens, I had seen the 2 Canon lenses that KDS has, but I really want the Topcor 30mm, but it's too expensive right now, I ended up finding a JML 21 already mounted into an M39 mount which is perfect for my Bellows.

Now, how to combine the two on a small tripod?


PostPosted: Thu Jul 08, 2021 10:05 am    Post subject: Reply with quote
Lightshow wrote:

For the lens, I had seen the 2 Canon lenses that KDS has, but I really want the Topcor 30mm


Why the Topcor Macro 3.5/30mm?

S


PostPosted: Thu Jul 08, 2021 5:21 pm    Post subject: Reply with quote
stevemark wrote:
Lightshow wrote:

For the lens, I had seen the 2 Canon lenses that KDS has, but I really want the Topcor 30mm


Why the Topcor Macro 3.5/30mm?

S

Mostly out of curiosity.


PostPosted: Fri Jul 09, 2021 3:13 pm    Post subject: Reply with quote
Lightshow wrote:
stevemark wrote:
Lightshow wrote:

For the lens, I had seen the 2 Canon lenses that KDS has, but I really want the Topcor 30mm


Why the Topcor Macro 3.5/30mm?

S

Mostly out of curiosity.


Ah OK Wink ... I thought you'd have reliable information that it would be better ... I haven't used mine that often since until recently I didn't own a Topcon / Exakta mount bellows. And using it without bellows i'ts a bit awkward...

S


PostPosted: Fri Jul 09, 2021 8:27 pm    Post subject: Reply with quote
stevemark wrote:
Ah OK ... I thought you'd have reliable information that it would be better ... I haven't used mine that often since until recently I didn't own a Topcon / Exakta mount bellows. And using it without bellows i'ts a bit awkward...


You should have a Minolta SR/MC adapter for Topcon / Exakta lenses!
I think you have some Minolta bellows!?


PostPosted: Sat Jul 10, 2021 1:14 am    Post subject: Reply with quote
Minolfan wrote:
You should have a Minolta SR/MC adapter for Topcon / Exakta lenses!
I think you have some Minolta bellows!?


Yep, I have some Minolta bellows, but I don't have the corresponding "M-1" or "M-2" adapter for Micro Bellows lenses ...

Anyway, I now have a huge original "Igahee Dresden" bellows (to be used with the "Macro-Topcor 3.5/30mm" lens) or the beautiful Canon Auto Bellows, to be used with the "Canon Macro Photo Lens 20mm 1:3.5!

S

EDIT the "Igahee Dresden" bellows has a male Exakta bayonet mount and a female LTM; therefore I can't use it with my "Macro-Topcor 3.5/30mm" which has a male Exacta bayonet mount ...
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