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Forum: Photographic Technique 07-20-2020, 10:51 AM  
Macro Are there any other microscope enthusiasts here?
Posted By fwwidall
Replies: 29
Views: 814
No, I've never tried that.

Fred.
Forum: Photographic Technique 07-20-2020, 09:19 AM  
Macro Are there any other microscope enthusiasts here?
Posted By fwwidall
Replies: 29
Views: 814
Yes, I usually set up in my unheated garage. The temperature needs to be down around -10C for the crystals to stick around long enough to work with. Little or no wind is also required if you want to get undamaged crystals.

Fred.
Forum: Photographic Technique 07-20-2020, 08:41 AM  
Macro Are there any other microscope enthusiasts here?
Posted By fwwidall
Replies: 29
Views: 814
Some great images there.

Have you come across the forums over at www.photomacrography.net ?

An active community with some very knowledgeable, and talented folks. Lots of great information & inspiration.

Personally, I haven't tried shooting using a microscope, but I do use microscope objectives on my bellows, and the base off an old Zeiss microscope for fine focusing when doing my snow crystal shots. I can get up to approx. 14X magnification with a 10X objective mounted on my bellows.

Fred.
Forum: Troubleshooting and Beginner Help 02-23-2020, 04:39 PM  
Lens focal length for use on bellows
Posted By fwwidall
Replies: 16
Views: 743
You might want to check out the very informative Extreme Macro Photography by fellow pentaxian Johan J Ingles-Le Nobel. A great resource for all things macro.

As for lenses its all down to how much magnification you want to achieve. An 50mm will get you to around 4X, a 28mm around 8X. I'm using microscope objectives (as opposed to camera lenses) to get to around 13X.

If you're interesting in really extreme macro then the forums at www.photomacrography.net offer a wealth of knowledge and experience.

Have fun,

Fred.
Forum: Post Your Photos! 02-20-2020, 01:41 PM  
Macro Yet more snow crystals
Posted By fwwidall
Replies: 7
Views: 305
Winter seems to be winding down here with mild temps expected for the next couple of weeks. So its time to put my gear away for another year. These are the last shots for this season.

Its not been a great season with mostly misshapen crystals, just like these last couple. Not to worry another 10 months and they'll be back....

IMGP5287 by Fred Widall, on Flickr

IMGP5272 by Fred Widall, on Flickr
Forum: Post Your Photos! 02-16-2020, 10:45 AM  
Sports Midget AA Hockey
Posted By fwwidall
Replies: 0
Views: 201
Last night I shot the hockey game between the Kitchener Rangers Midget AA team and the Calgary Northwestern Warriors who are visiting Ontario and playing a number of exhibition games.

First time I've shot a game this season as I'm usually recording video highlights for posting on YouTube.

As usual the lighting was poor, and shooting through the stain covered glass is never easy. I took along my K3, DA*200mm, DA70mm & DA15mm.

Half the team will be 'graduating' from minor hockey at the end of the season in April, after the current playoffs finish. Its been fun following my grandson's teams for the past 10 years, watching the boys grow up into fine young men. Lots of good memories, not to mention over 2500 images, and hundreds of videos :) Time to find a warmer sport...

Anyway here's a few shots from the game:

IMGP3156 by Fred Widall, on Flickr

IMGP3125 by Fred Widall, on Flickr

IMGP2840 by Fred Widall, on Flickr

The 15mm worked quite well from behind the net.

IMGP2680 by Fred Widall, on Flickr

IMGP2740 by Fred Widall, on Flickr

The teams

IMGP3221 by Fred Widall, on Flickr

The retirees

IMGP3243 by Fred Widall, on Flickr

Jerseys by Fred Widall, on Flickr
Forum: Post Your Photos! 02-09-2020, 08:44 AM  
Macro Yet more snow crystals
Posted By fwwidall
Replies: 7
Views: 305
I have tried using polarized light but have not seen any great difference. The 10X Nikon objective I'm using does seem to have quite a lot of blue/green CA which, I think, is where the colours are coming from,

---------- Post added 02-09-20 at 10:45 AM ----------



Thanks. I'm happier photographing them, than shovelling them :)[COLOR="Silver"]
Forum: Post Your Photos! 02-08-2020, 06:33 AM  
Macro Yet more snow crystals
Posted By fwwidall
Replies: 7
Views: 305
Finally managed to get some nice snow crystal images. This morning it was still, crisp & -14C with just a few crystals falling. Great conditions for snow crystals, just got to remember to head indoors once the toes and fingers start getting numb, no matter how beautiful the crystals are.

These were shot with Amscope 4x and Nikon 10x microscope objectives mounted on my K5 with attached Pentax Auto Bellows. Lighting provided by an LED bulb, and I set white balance to tungsten to get the blue colour.

Hope you like them....

IMGP5269 by Fred Widall, on Flickr

IMGP5267 by Fred Widall, on Flickr

IMGP5257 by Fred Widall, on Flickr

IMGP5254 by Fred Widall, on Flickr

IMGP5248 by Fred Widall, on Flickr

Mr Snowman...

Mr Snowman by Fred Widall, on Flickr
Forum: Post Your Photos! 01-24-2020, 05:32 PM  
Macro More snow crystals
Posted By fwwidall
Replies: 9
Views: 366
You might be interested in this lecture by Ken Libbrecht from Caltech. He also has some fascinating reading on his SnowCrystals.com website.
















You Tube



Forum: Post Your Photos! 01-23-2020, 06:49 PM  
Macro More snow crystals
Posted By fwwidall
Replies: 9
Views: 366
Thanks for the kind comments.

I'm still hoping we'll get some frigid temperatures in the next couple of months and then I can hopefully get some more impressive images. Here's a real nice one from last February.

IMGP4213 by Fred Widall, on Flickr
Forum: Post Your Photos! 01-21-2020, 05:21 PM  
Macro More snow crystals
Posted By fwwidall
Replies: 9
Views: 366
Yeah, I agree re sharpness. Not my best work but In my defence they were very, very small and hard to focus on.
Forum: General Photography 01-21-2020, 05:17 PM  
Flickr price rise
Posted By fwwidall
Replies: 44
Views: 1,863
I just extended my Flickr membership for an extra two years for CA$123 (US$94). Seemed a reasonable price.
Forum: Post Your Photos! 01-21-2020, 11:29 AM  
Macro More snow crystals
Posted By fwwidall
Replies: 9
Views: 366
Its been a very poor season so far for snow crystals. The temperatures have been very mild, and when we do get some snow the crystals have been misshapen, rather icy and rime covered.

These two I shot this morning with my Nikon 10X microscope objective on my Pentax auto bellows, mounted on my K5. They are approx. 1mm across.

IMGP5193 by Fred Widall, on Flickr

IMGP5198 by Fred Widall, on Flickr

I shot this unusual looking crystal yesterday. It was approx. 0.5mm in length.

IMGP5172 by Fred Widall, on Flickr

Hopefully I'll get some 'good' snow before the end of the season

Fred.
Forum: Post Your Photos! 01-16-2020, 11:33 AM  
Macro Snowflake 007
Posted By fwwidall
Replies: 7
Views: 298
Snowflakes are funny to shoot aren't they. They never fail to delight and amaze.

If you're interested in learning more of the science behind them you might want to check out Ken Libbrecht's SnowCrystals.com website. Everything you could ever wish to know. Ken is a physics professor at Caltech and the author of several books on the subject.

Fred.
Forum: Post Your Photos! 11-15-2019, 07:23 PM  
Nature First Snow Crystals of 2019/20 Season
Posted By fwwidall
Replies: 28
Views: 771
Thanks for all the kind comments.

Looks like our cold snap is over for now so you'll just have to wait some more new images. Feel free to check out the old ones on Flickr if you can't wait :)
Forum: Post Your Photos! 11-14-2019, 09:31 AM  
Nature First Snow Crystals of 2019/20 Season
Posted By fwwidall
Replies: 28
Views: 771
@aitrus3 - Very nice. Have you come across the work of Don Komarechka ? He's using a somewhat similar technique and getting some amazing images. He does use a lot of focus stacking, but the results are spectacular.
Forum: General Talk 11-13-2019, 11:06 AM  
Anyone Used Your Photos?
Posted By fwwidall
Replies: 21
Views: 882
A number of my snowflake images have appeared in various publications both online and in print.

One image was used as the cover for a CD by the UK band Dyonisis. They also used some of my water drop images for the inserts in another CD

Others were used by Christchurch Art Gallery in New Zealand as part of an exhibit called 'Blue Planet'. They produced a cardboard snowglobe which was given to children attending the exhibit. I thought that was pretty cool if you'll pardon the pun :)

Snowglobe by Fred Widall, on Flickr
Forum: Post Your Photos! 11-13-2019, 09:15 AM  
Nature First Snow Crystals of 2019/20 Season
Posted By fwwidall
Replies: 28
Views: 771
My pleasure. Just took a quick & dirty snap of my setup out in the garage.

What we have is a wooden copy stand made out of 1x3" lumber, with a platform made from an old chopping board.

Underneath I have an LED light shining up through the blue lid of a coffee can.

On the platform I have the base from an old Zeiss microscope which allows me very fine focussing down to the micron level.

I collect the snowflakes on a old 8x10 picture frame glass, which I lay on the arms I added to the microscope base.

The K3 is attached to a Soligor focusing rail which I use for coarse focusing with different lenses. I run the HDMI output from liveview to an old monitor for a bigger view.

Currently I have mounted a Componon-S 50mm F2.8 enlarging lens reverse stacked on a Pentax-M 200mm F4. That combination gives me an FOV of approx. 6 x 4mm. Using the 10X microscope objective on the extension tubes gets me down to approx. 2.25 x 1.5mm.

My plan for this year is to try out various lenses combination, and lighting setups to get the perfect shot well I can hope :)

Hope that helps.

---------- Post added 11-13-19 at 11:20 AM ----------



I couldn't agree more :) Photographing them is much more preferable to shovelling them. They can be a real pain, but every now and then I capture a stunning beauty like this one and all is forgiven....

IMGP4213 by Fred Widall, on Flickr
Forum: Post Your Photos! 11-13-2019, 08:46 AM  
Nature First Snow Crystals of 2019/20 Season
Posted By fwwidall
Replies: 28
Views: 771
Well, I've never seen two the same out of the hundreds I've look at.

If you're interested in the physics of snowflake creation you might want to check out a talk on YouTube by Ken Libbrecht of Caltech who studies them. Fascinating stuff.














You Tube



Forum: Post Your Photos! 11-12-2019, 08:08 PM  
Nature First Snow Crystals of 2019/20 Season
Posted By fwwidall
Replies: 28
Views: 771
Thanks. I use a very expensive custom filter - the blue plastic top off a can of Maxwell House coffee :)
Forum: Post Your Photos! 11-12-2019, 08:03 PM  
Nature First Snow Crystals of 2019/20 Season
Posted By fwwidall
Replies: 28
Views: 771
Thanks for the kind comments.

I was just out trying to capture some more crystals but its changed over to icy sleet-like stuff so I'm done for the day. I did manage one decent capture though. This one was about 2mm across.

IMGP2208 by Fred Widall, on Flickr
Forum: Post Your Photos! 11-12-2019, 04:14 PM  
Nature First Snow Crystals of 2019/20 Season
Posted By fwwidall
Replies: 28
Views: 771
An early cold snap gave me the opportunity to try out my 'snowcatcher' setup.

For these images I mounted a noname 10X microscope objective to 155mm of extension tubes, which were then mounted on my K3. Each crystal is approx. 1mm across.

My setup is basically the same as last year's, although I have built a more stable stand out of 1x3" lumber and am planning on trying out some other lenses.

Not perfect, but I have at least the next four months to improve things :)

IMGP2199 by Fred Widall, on Flickr

IMGP2183 by Fred Widall, on Flickr
Forum: Post Your Photos! 10-27-2019, 04:25 AM  
Sports Men's Rugby
Posted By fwwidall
Replies: 6
Views: 281
Last week's win got the UW Warriors through to the OUA Quarter Finals against the Brock Badgers. Sadly they lost 29-12 and their season is now over, but on the bright side I got to get shoot one last game :)

Watching the pounding these guys take always makes me feel my age..... I'd be off to the hospital and not for a beer afterwards.

IMGP1821 by Fred Widall, on Flickr

IMGP1785 by Fred Widall, on Flickr

IMGP1675 by Fred Widall, on Flickr
Forum: Video and Pentax HDSLRs 10-24-2019, 01:40 PM  
Recommendations for an HDMI monitor under 250
Posted By fwwidall
Replies: 7
Views: 866
I can't speak to that particular model, but I did buy a Feelworld FW759 7" HDMI monitor back in May 2016 and I've had zero issues with it since

I bought it primarily to shoot ice hockey videos with my Panasonic HC-X900M camcorder. Much easier to follow the puck on the monitor than on the small built in screen.

I also use it with my K5 when doing my snowflake macro shots.

It's been to well over a 100 hockey games, and been outside for hours on end in sub-zero temperatures and is still going strong.

I can't fault its reliability. Whether the newer models are as good I can't say.

Fred
Forum: Post Your Photos! 10-20-2019, 03:47 AM  
Sports Men's Rugby
Posted By fwwidall
Replies: 6
Views: 281
Yes, I've heard that. I must be doing something wrong 😀
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