Olympus UK E-System User Group
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Join our unique resource for Olympus Four Thirds E-System DSLR and Pen and OM-D Micro Four Thirds photographers. Show your images via our free e-group photo gallery. Please read the e-group.uk.net forum terms and conditions before posting for the first time. Above all, welcome!


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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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  #481  
Old 28th July 2017
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Re: Communal flowers, trees, plants and fungi thread

Close up of a Spurge (Euphorbia) flower. The actual flower has no petals or sepals, just the pollenating bits, the specialized leaves around the flower perform that function. The flowers in this one, Petty Spurge, are in the bit surrounded by the 4 "cows horns" things. The little yellow things are the male flowers, the large green pepper shaped thing hanging out and down below them is the female flower.

The Naughty Bits by John Dalrymple, on Flickr
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m4/3: E-P2, EM-5, 100-300, 14-42mm 12-50mm, 45mm, panny 14mm. 4/3: 7-14 + Flashes & tripods & stuff

"Take nothing but pictures and leave nothing but footprints".

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  #482  
Old 28th July 2017
Harold Gough Harold Gough is offline
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Re: Communal flowers, trees, plants and fungi thread

John,

Nice work.

I thought Euphorbia flowers had their parts in threes, including three carpels, but yours (and other images of the species) has fours.

Harold
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  #483  
Old 28th July 2017
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Re: Communal flowers, trees, plants and fungi thread

Yes, they are strange flowers. This plant has, inside the 4 horned glands, 4 male flowers, and one female. I haven't got any detailed documentation on these, only what's in the Collins Euphorbia key.

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  #484  
Old 31st July 2017
Harold Gough Harold Gough is offline
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Re: Communal flowers, trees, plants and fungi thread

Laowa 7.5mm Reversed on m4/3: Arcyria sp

With a FOV 4mm wide and a working distance of ca 12mm, this is far from easy to use for macro. It is far from versatile, as that is its widest FOV, Getting lighting on the subject is problematic, as hand and/or camera or lens tend to block the light from flash guns.

Anyway, these images of the spore sacs of a slime mould were shot at f16, processing including removal of diffraction blur. Triple TTL flash was used. In different circumstances it may be possible to provide lighting which is more pleasing.

I would like to have had the expanded stage in a shallower grouping but it was not available.

Even at f16 (f32 with crop factor), the DOF is not as I would like.

The stereo is crosseye.

Such application of the lens could be useful in some circumstances.

Harold







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  #485  
Old 10th August 2017
Harold Gough Harold Gough is offline
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Re: Communal flowers, trees, plants and fungi thread

Canna Heinrich Seidel

This is one of the shorter varieties, the flower appearing at about waist height.

The stereos are crosseye.

Olympus EM-1, Olympus 4/3 x2 TC, Olympus 4/3 50mm f2 macro, 1/50 to 1/250 sec, f11 (effective), daylight, hand-held.

Harold















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  #486  
Old 10th August 2017
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Re: Communal flowers, trees, plants and fungi thread

Anemone

[IMG][/IMG]
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  #487  
Old 15th August 2017
Harold Gough Harold Gough is offline
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Re: Communal flowers, trees, plants and fungi thread

Cosmos Through Carl Zeiss Jena 135mm (Red MC)

I spotted the recommendation * for this version of this lens and bought a copy. "Red MC" means that the multicoating is indicated by "MC" in red letters on the front of the lens barrel. My version has an M42 mount, so I can use it on any camera via an adapter.

At first I thought I had bought a dud. However, I had not fully compensated for the frequent air movement. This is the only shot from two sessions which dispelled my doubts. This is at closest focus, uncropped at f8. On m4/3 the FOV is ca 95mm wide at this setting.

* http://extreme-macro.co.uk/

Harold

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  #488  
Old 16th August 2017
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Re: Communal flowers, trees, plants and fungi thread

Something to keep Harold busy... Most of them are very, very small, I just don't know what they are!







Having a meal.



Black slime mould!





Yellow Stagshorn Calocera Viscosa

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  #489  
Old 18th August 2017
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Re: Communal flowers, trees, plants and fungi thread

The above were from a local wood, this one from the garden.

Not much head room.

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  #490  
Old 18th August 2017
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Re: Communal flowers, trees, plants and fungi thread

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Originally Posted by Beagletorque View Post
Something to keep Harold busy... Most of them are very, very small, I just don't know what they are!
The brownish parachute looks like one of the Omphalina group, possibly Rekenella.

The white ones have webbing which may indicate Cortinarius, where white is unusual.

The one with the floccose sphaerocysts may be Cystolepiota hetieri. If so, it is poisonous.

The shiny black spheres are slime mould spore capsules. What bothers me is that they are black and shiny when still small. A likely species is Badhamia microspora.

Harold
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  #491  
Old 18th August 2017
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Re: Communal flowers, trees, plants and fungi thread

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Originally Posted by Harold Gough View Post
The brownish parachute looks like one of the Omphalina group, possibly Rekenella.

The white ones have webbing which may indicate Cortinarius, where white is unusual.

The one with the floccose sphaerocysts may be Cystolepiota hetieri. If so, it is poisonous.

The shiny black spheres are slime mould spore capsules. What bothers me is that they are black and shiny when still small. A likely species is Badhamia microspora.

Harold
Thanks Harold, I bow to your knowledge once again!
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  #492  
Old 20th August 2017
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Re: Communal flowers, trees, plants and fungi thread

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Originally Posted by Harold Gough View Post

The shiny black spheres are slime mould spore capsules. What bothers me is that they are black and shiny when still small. A likely species is Badhamia microspora.

Harold
Were they on dead stems of nettles in late winter or early spring?

I now beleive that they are an Ascomycete fungus, Leptosphaeria acuta.

It is said that it is always present in a colony of nettles.

Harold
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  #493  
Old 20th August 2017
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Re: Communal flowers, trees, plants and fungi thread

I took them all on the same day I posted them up! They were on a large dead,wet and decaying log in the shade. Each sphere was about 1mm in diameter. There were some exploded ones on read stalks, when I looked closer at a wider view.
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  #494  
Old 20th August 2017
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Re: Communal flowers, trees, plants and fungi thread

It's a heavy crop but this is part of the view.

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  #495  
Old 20th August 2017
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Re: Communal flowers, trees, plants and fungi thread

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Originally Posted by Beagletorque View Post
It's a heavy crop but this is part of the view.

The ones are stalks are definitely slime mould, Hemitrichia or something related. I still think the others are ascomycete fungi, probably something related to the species I suggested.

Harold
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