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Foto Fair Post your photos for friendly, non-critical feedback. This is the place to show pictures if you aren't yet ready for full-blooded critique, or simply want to share an interesting picture with other e-group visitors.

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  #571  
Old 20th February 2018
Harold Gough Harold Gough is offline
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Re: Communal flowers, trees, plants and fungi thread

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Originally Posted by MJ224 View Post
Super photos Harold...

No 3 is so detailed.............
Thanks. Not bad for a Ł10 lens on a few tubes!

The images which follow are of the same colony and from my usual setup of Olympus 4/3 x2TC, Olympus 4/3 50mm f2 macro, Raynox MSN-202. Although this is more compact than the Tominon one, and has full aperture focusing, it has only about a tenth of the working distance. I did not choose the framing to match the Tominon magnification but framed as seemed pleasing. They were at around halfway along the magnification range available,

The first four were at f11 set on the lens and the others at f14.

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  #572  
Old 20th February 2018
Harold Gough Harold Gough is offline
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Re: Communal flowers, trees, plants and fungi thread

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Here is a shot of sundew from last summer
Nice one, Alf.

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  #573  
Old 21st February 2018
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Re: Communal flowers, trees, plants and fungi thread

Hellebore

[IMG][/IMG]
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  #574  
Old 21st February 2018
Harold Gough Harold Gough is offline
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Re: Communal flowers, trees, plants and fungi thread

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Hellebore
Nice group.

Are you aware that your images links have a surplus of [/url][/IMG] at each end?

harold
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  #575  
Old 21st February 2018
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Re: Communal flowers, trees, plants and fungi thread

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Hellebore

Dave, Nice helebores and image.

Never thought of using the 45mm lens for flowers (I just presumed that it is the 45mm prime from the exif data). If that is the lens - do you use it a lot? It seems to give a nice image and focus at f8. I have one which I only use very infrequently at family events for portraits etc. Might give it a go if it is.

ps tidied up the code for Harold
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  #576  
Old 21st February 2018
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Re: Communal flowers, trees, plants and fungi thread

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Originally Posted by Harold Gough View Post
Nice group.

Are you aware that your images links have a surplus of [/url][/IMG] at each end?

harold
I can see them but not sure why they are there.
I simply copy the link from the gallery then when composing a new post click on the insert picture icon and paste the new link into the window that opens. Is that wrong ?
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  #577  
Old 21st February 2018
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Re: Communal flowers, trees, plants and fungi thread

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Dave, Nice helebores and image.

Never thought of using the 45mm lens for flowers (I just presumed that it is the 45mm prime from the exif data). If that is the lens - do you use it a lot? It seems to give a nice image and focus at f8. I have one which I only use very infrequently at family events for portraits etc. Might give it a go if it is.

ps tidied up the code for Harold
I don't have the 45mm prime. Its the 40-150mm f2.8 pro zoom slightly zoomed in. I think its one of the sharpest lenses I have and f8 seems to be its sweet spot. I am using it more often these days.
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  #578  
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Re: Communal flowers, trees, plants and fungi thread

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I don't have the 45mm prime. Its the 40-150mm f2.8 pro zoom slightly zoomed in. I think its one of the sharpest lenses I have and f8 seems to be its sweet spot. I am using it more often these days.
Thanks Dave - that makes sense. I have that lens and use it for flowers, but usually at the longer end. I tend to not stop it down that far but will give both a try. My helebores are not as good as yours but maybe they will get better as the weather picks up.
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  #579  
Old 22nd February 2018
Harold Gough Harold Gough is offline
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Re: Communal flowers, trees, plants and fungi thread

Coprinellus Ozonium on Sycamore Logs

For many months, in 2017, I had been aware of a matted growth from long-dead Sycamore logs in our garden. It almost looks like roots. It starts as orange and becomes brownish with age. Some mushrooms have asexual stages and the only mushroom (sexual) species present on the logs in significant numbers was a Coprinellus species probably micaceus, subsequently confirmed as such.

I did lots of Google searches, without success, but eventually put some search terms together which led me to C. radians. The carpet is called an "ozonium". Names for C radians with its Ozonium include Firerug Inkcap & Retro Inky.

In 2006 Van Leeuwenhoek et al. for the first time published C. domesticus as a teleomorphic (sexual reproductive) stage of Hormographiella verticillata.

They reserved “Ozonium” to the “stage to the sterile brown hyphae which can be observed in nature and in older cultures of species of Hormographiella(published as a new genus in 1992).

Another paper: Cáceres, O., Kirschner, R., Piepenbring, M. et al. Antonie Van Leeuwenhoek (2006) 89: 79. Hormographiella verticillata and an Ozonium stage as anamorphs of Coprinellus domesticus

https://doi.org/10.1007/s10482-005-9011-4

Coprinellus radians is separated from C. domesticus by having larger spores, (8.5-11.5 x 5.5-7 µ), domesticus is 6-9 x 3.5-5 µ.

All I have found in relation to C. micaceus is: “Ozonium stage of Coprinellus micaceus is saprobic on fallen, decayed trunk of broadleaved trees.”

The current situation is that the mushroom constantly present in large numbers is C. micaceus. No other Inkcap has been found on the logs since I became aware of Ozoniums, the latter being widespread and always present on the logs and often on the same ones as C. micaceus. While it would be good to find further references for this species, the association looks to be quite clear.

The Mycelia Sterila are a group of fungi group according to their lifestyle, in which they form no sexual or asexual spores, making their taxonomy very tricky. The former Coprinus species which are now in Coprinellus may have such a stage. Two species are known to have one.

All shot with EM-1, Olympus 4/3 50mm f2 macro and triple TTL flash.

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  #580  
Old 25th February 2018
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Re: Communal flowers, trees, plants and fungi thread

Update on Ozonium and two more images:

I have just found some further information on this genus and the, possibly undescribed, species:

"An undescribed, possibly autonomous, vernal taxon, resembling C. micaceus in all aspects, but associated with an orange-brown Ozonium is increasingly collected, thus all collections of C. micaceus should be carefully examined to see if they are this latter taxon".

http://www.basidiochecklist.info/Dis...intGBNum=46550

"Ozonium-type of mycelium was specific to dikaryons of all species of the genus Coprinellus (often in connection with fruiting bodies) but C. flocculosus where it exists at least rudimental".

http://www.wsmbmp.org/proceedings/7t...20Badalyan.pdf





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  #581  
Old 6th March 2018
Harold Gough Harold Gough is offline
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Re: Communal flowers, trees, plants and fungi thread

Trichia at x4 via Tominon 135mm

At small apertures in daylight the image on the sensor is often so dim that the framing and focus jump around in the viewfinder, even with manual focus. I wanted to see if I could overcome this by attaching a 3W diode torch to the front of the lens. This would illuminate the subject, keeping the image in the viewfinder steady and sharp. This light would not contribute significantly to the flash-illuminated image.

This worked and, rather than waste the images, some are given here. The magnification by the lens was 2:1 (the middle of its optimised range) with the m4/3 crop making it 4:1. I set the lens at f11 or f16, the latter probably producing the images used,. Any cropping did not significantly alter the magnification.

The stereo is crosseye.

Olympus EM-1, Tominon 135mm on extension (345mm) to give the required magnification.

Harold



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  #582  
Old 9th March 2018
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Re: Communal flowers, trees, plants and fungi thread

Inkcaps in a Dark Corner of the Woods.

I expect to find inkcaps among brownish leaf litter but these were in a rather sombre setting, to which the lighting contributed quite a lot, in September 2016.

EM-1 (Manual Mode), Kiron 105mm,1/250 sec, ISO 800, flash.

Harold

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  #583  
Old 9th March 2018
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Re: Communal flowers, trees, plants and fungi thread





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  #584  
Old 12th March 2018
Harold Gough Harold Gough is offline
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Re: Communal flowers, trees, plants and fungi thread

Bitten Inkcap Printing Nikkor 150mm

The stereo is crosseye.

Harold



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  #585  
Old 14th March 2018
Harold Gough Harold Gough is offline
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Re: Communal flowers, trees, plants and fungi thread

Inkcap Mushrooms in March

This is the population with the ozonium, not visible in these images. These freshly-expanded caps were rather crowded, such that the stereo pairs are rather restrained in their 3D effect.

EM-1, Olympus 4/3 50mm macro at f9, weak sunlight, hand-held.

The stereos are crosseye.

Harold







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