The Holding Tank

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Photography has been a quite serious hobby for me since about 1980 when I got my first Canon SLR.

There some pictures in Photos & Themes.

The pages under Hardware and Technical are essentially me trying to work out a hardware roadmap and understand the differences between digital and film SLRs and may be helpful to others.

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New and Recent Articles

New and Recent Photos

 

Recent New and Changed Articles 01-May-2016

Downloads 04-Feb-2016

Lens Measurement Software V4.1, Standalone Executable. Recompiled for MATLAB 2013b for Windows 64 bit (MCR Download from MathWorks). Myexif to estimate macro magnification also recompiled with ...

Recent New and Changed Photos 13-Jan-2018

Pipits and Wagtails 10-Jan-2018

birds%20Grey%20Wagtail%20A01_002_19-09-17 birds%20Grey%20Wagtail%20A01_001_19-09-17 birds%20Grey%20Wagtail%20A02_001_19-09-17 birds%20Grey%20Wagtail%20A01_005_19-09-17

Freshwater Birds 10-Jan-2018

birds%20Canada%20geese%20A04_001_19-09-17 birds%20Canada%20geese%20A02_002_19-09-17 birds%20Bufflehead%20m%20e%20A01_001_19-09-17 birds%20Hooded%20Merganser%20m%20A01_001_19-09-17 birds%20Gadwall%20A01_001_19-09-17 birds%20Common%20Goldeneye%20f%20A01_002_19-09-17 birds%20Canada%20geese%20A04_002_19-09-17 birds%20Little%20Egret%20A02_003_02-12-17 birds%20Little%20Egret%20A01_002_02-12-17 birds%20Little%20Egret%20A01_001_02-12-17 birds%20Heron%20A02_005_02-12-17 birds%20Heron%20A02_002_02-12-17 birds%20Heron%20A02_001_02-12-17

Kingfishers, Bee-Eaters Rollers and Hoopoe 10-Jan-2018

birds%20Kingfisher%20A01_002_19-09-17 birds%20Kingfisher%20A01_001_19-09-17 birds%20Kingfisher%20A01_002_02-12-17

Birds of Prey 10-Jan-2018

birds%20Hobbey%20A01_003_19-09-17 birds%20Hobbey%20A01_001_19-09-17

Larva Eggs Pupa Galls 11-Jan-2018

insects%20cat%20A01_001_14-10-17 insect%20But%20Yel%20UW%20Cat%20A01_001-02_22-09-17 insect%20mosquito%20larvea%20D01_002_08-07-17 insect%20mosquito%20larvea%20C01_001-02_08-07-17

Fungi 11-Jan-2018

fungi%20Mushroom%20E01_001_14-10-17 fungi%20Mushroom%20D01_001_14-10-17 fungi%20Mushroom%20C01_001_14-10-17 fungi%20Mushroom%20B01_001_14-10-17 fungi%20Mushroom%20A01_001_14-10-17 fungi%20Mushroom%20D02_001_22-09-17 fungi%20Mushroom%20D01_001_22-09-17 fungi%20Mushroom%20C01_002_22-09-17 fungi%20Mushroom%20C01_001_22-09-17 fungi%20Mushroom%20A01_001-03_22-09-17 fungi%20Mushroom%20B02_001-03_22-09-17

Dragonflies 10-Jan-2018

insect%20Comm%20Darter%20m%20A03_001-03%2005%2007_19-09-17 insect%20Comm%20Darter%20m%20A02_001-06_19-09-17 insect%20Comm%20Darter%20m%20A01_001-06_19-09-17 insect%20Com%20Darter%20B04_001_22-09-17 insect%20Com%20Darter%20B01_001_22-09-17 insect%20Black%20darter%20A02_001-04_22-09-17 insect%20Com%20Darter%20B02_001-03_22-09-17 insect%20Com%20Darter%20A01_001-02%2004-05_22-09-17 insect%20Black%20darter%20A01_001-05_22-09-17

Big Cats 01-Jan-2018

zoo%20Amur%20Tiger%20A01_005_15-09-17 zoo%20Amur%20Tiger%20A01_004_15-09-17 zoo%20Snow%20Leopard%20A01_001_15-09-17 zoo%20Cheetah%20A01_003_15-09-17 zoo%20Amur%20Tiger%20A01_001_15-09-17 zoo%20Amur%20Leopard%20A01_001_15-09-17 zoo%20Amur%20Tiger%20A01_007_15-09-17 zoo%20Amur%20Tiger%20A01_006_15-09-17 zoo%20Amur%20Leopard%20A01_002_15-09-17

Monkeys and Apes 01-Jan-2018

zoo%20White-faced%20saki%20f%20A01_001_15-09-17 zoo%20White-faced%20saki%20m%20A01_002_15-09-17 zoo%20pygmy%20marmoset%20A01_002_15-09-17 zoo%20Alaotran%20gentle%20lemur%20A01_001_15-09-17 zoo%20pygmy%20marmoset%20A01_013_15-09-17 zoo%20pygmy%20marmoset%20A01_010_15-09-17 zoo%20pygmy%20marmoset%20A01_009_15-09-17

Captive Animals 01-Jan-2018

zoo%20Worthog%20A01_001_15-09-17 zoo%20Scimitar-horned%20Oryx%20A01_001_15-09-17 zoo%20Giraffe%20A01_002_15-09-17 zoo%20African%20wild%20ass%20f%20m%20A01_007_15-09-17 zoo%20African%20wild%20ass%20f%20m%20A01_006_15-09-17 zoo%20African%20wild%20ass%20f%20m%20A01_001_15-09-17 zoo%20African%20wild%20ass%20f%20m%20A01_009_15-09-17 zoo%20African%20wild%20ass%20f%20m%20A01_008_15-09-17

Meerkat 01-Jan-2018

zoo%20Meerkat%20A01_003_15-09-17 zoo%20Meerkat%20A01_001_15-09-17

Birds 01-Jan-2018

zoo%20Hamerkop%20A01_006_15-09-17 zoo%20Hamerkop%20A01_002_15-09-17 zoo%20Village%20weaver%20f%20A01_004_15-09-17 zoo%20Village%20weaver%20f%20A01_003_15-09-17 zoo%20Sun%20conure%20A01_004_15-09-17 zoo%20Moustached%20laughingth%20A01_006_15-09-17 zoo%20Moustached%20laughingth%20A01_005_15-09-17 zoo%20Humboldt%20Penguin%20A01_001_15-09-17 zoo%20Hamerkop%20A01_001_15-09-17 zoo%20Blue-crowned%20Laugh%20T%20A01_001_15-09-17 zoo%20Black-winged%20stilt%20A01_002_15-09-17 zoo%20Bird%20A%20A01_002_15-09-17 zoo%20Village%20weaver%20m%20A01_003_15-09-17 zoo%20Village%20weaver%20m%20A01_001_15-09-17 zoo%20Moustached%20laughingth%20A01_001_15-09-17 zoo%20Greater%20Flamingo%20A01_003_15-09-17 zoo%20Bird%20A%20A01_001_15-09-17

Sparrows 01-Jan-2018

birds%20Sparrow%20m%20A01_001_15-09-17 birds%20Sparrow%20f%20A01_004_15-09-17 birds%20Sparrow%20f%20A01_001_15-09-17

True Flies 30-Dec-2017

insect%20Fly%20E01_001_18-08-17 insect%20Fly%20D04_001_18-08-17 insect%20Fly%20D03_001-02_18-08-17 insect%20Fly%20D02_003%2004%2006-08%2011_18-08-17 insect%20Fly%20D01_001_18-08-17 insect%20Fly%20C01_001-04_18-08-17 insect%20Fly%20B01_001-04_18-08-17 insect%20Fly%20A01_001%2003-06_18-08-17 insect%20Robber%20Fly%20A02_001-05%2007_16-08-17 insect%20Robber%20Fly%20A01_001%2003-07%2009-12_16-08-17 insect%20Robber%20C01_002-04_13-08-17 insect%20Robber%20B01_001-04_13-08-17 insect%20Robber%20A01_001-03_13-08-17 insect%20fly%20B_001-03%2005_13-08-17

Damselflies 30-Dec-2017

insect%20Com%20Blue%20Dam%20p%20A01_001-03_18-08-17 insect%20Com%20Blue%20Dam%20m%20A03_001-04_18-08-17 insect%20Com%20Blue%20Dam%20m%20A02_005_18-08-17 insect%20Blue%20tailed%20Dam%20m%20A01_001_18-08-17 insect%20Blue%20tailed%20Dam%20f%20ro%20A03_001-06_18-08-17 insect%20Blue%20tailed%20Dam%20f%20ro%20A01_001-05_18-08-17

Beetles 30-Dec-2017

insect%20Beetle%20A01_001-03%2005-07_18-08-17 insect%20Beetle%20A01_007_16-08-17 insect%20Beetle%20A01_006_16-08-17

Reptiles 06-Jan-2018

wildlife%20com%20lizard%20A03_001-05_22-09-17 wildlife%20com%20lizard%20A01_001-05_22-09-17 reptiles%20Com%20Lizard%20B01_001_16-08-17

Nuthatches, Wallcreepers and Treecreepers 24-Dec-2017

birds%20Nuthatch%20A01_025_02-12-17 birds%20Nuthatch%20A01_024_02-12-17 birds%20Nuthatch%20A01_019_02-12-17 birds%20Nuthatch%20A01_015_02-12-17 birds%20Nuthatch%20A01_014_02-12-17 birds%20Nuthatch%20A01_011_02-12-17 birds%20Nuthatch%20A01_006_02-12-17 birds%20Nuthatch%20A01_005_02-12-17 birds%20Nuthatch%20A01_004_02-12-17 birds%20Nuthatch%20A01_001_02-12-17

Warblers and Allies 24-Dec-2017

birds%20Goldcrest%20A02_002_02-12-17 birds%20Goldcrest%20A01_002_02-12-17 birds%20Goldcrest%20A01_001_02-12-17

Tits and Allies 24-Dec-2017

birds%20Long-tailed%20tit%20A01_001_02-12-17 birds%20Great%20Tit%20A01_001_02-12-17 birds%20Coal%20Tit%20A04_001_02-12-17 birds%20Coal%20Tit%20A03_004_02-12-17 birds%20Coal%20Tit%20A02_005_02-12-17

Finches 24-Dec-2017

birds%20Goldfinch%20A08_005_02-12-17 birds%20Goldfinch%20A07_003_02-12-17 birds%20Goldfinch%20A05_003_02-12-17 birds%20Goldfinch%20A02_001_02-12-17 birds%20Bullfinch%20m%20A02_004_02-12-17 birds%20Bullfinch%20m%20A02_001_02-12-17 birds%20Bullfinch%20m%20A01_003_02-12-17 birds%20Bullfinch%20f%20A01_004_02-12-17

Ants Bees Wasps 06-Jan-2018

insect%20sandwasl%20with%20Cat%20A01_004_22-09-17 insect%20sandwasl%20with%20Cat%20A01_001_22-09-17 insect%20Hornet%20A01_003_22-09-17 insect%20Hornet%20A01_002_22-09-17 insect%20sandwasl%20with%20Cat%20A04_001-03%2006_22-09-17 insect%20sandwasl%20with%20Cat%20A01_007_22-09-17 insect%20sandwasl%20with%20Cat%20A01_005_22-09-17 insect%20Hornet%20A01_004_22-09-17 insect%20%20Sawfly%20A01_001-05_13-08-17 insect%20bee%20A01_001-02_08-07-17 insect%20bee%20B01_001%2002%2004_08-07-17

Butterflies Moths 10-Jan-2018

insect%20Peacock%20A01_001_19-09-17 insect%20small%20copper%20B01_001_22-09-17 insect%20small%20copper%20A01_003_22-09-17 insect%20small%20copper%20A01_002_22-09-17 insect%20Comma%20A03_001-05_22-09-17 insect%20Comma%20A02_001-03%2005_22-09-17 insect%20Comma%20A01_001-04_22-09-17 insect%20common%20blue%20m%20A01_001_13-08-17 insect%20Gatekeeper%20B01_002_13-08-17 insect%20common%20blue%20f%20B01_001_13-08-17 insect%20%20Brimstone%20B01_004_13-08-17 insect%20small%20white%20D01_001_13-08-17 insect%20small%20white%20C01_001_13-08-17 insect%20small%20white%20B01_001_13-08-17 insect%20Small%20Tortoiseshell%20D01_001_13-08-17 insect%20Small%20Tortoiseshell%20B01_003_13-08-17 insect%20Small%20Tortoiseshell%20A01_006_13-08-17 insect%20Small%20Tortoiseshell%20A01_003_13-08-17 insect%20Small%20Tortoiseshell%20A01_002_13-08-17 insect%20Small%20Copper%20A01_002_13-08-17 insect%20Moth%20A01_001_13-08-17 insect%20Gatekeeper%20C01_004_13-08-17 insect%20Gatekeeper%20C01_003_13-08-17 insect%20Gatekeeper%20C01_002_13-08-17 insect%20Chalk%20Hill%20Blue%20m%20C01_001-03_13-08-17 insect%20Chalk%20Hill%20Blue%20m%20A01_001_13-08-17 insect%20Chalk%20Hill%20Blue%20B01_002_13-08-17 insect%20Chalk%20Hill%20Blue%202m%20A01_001_13-08-17 insect%20%20Brimstone%20B01_003_13-08-17 insect%20%20Brimstone%20A01_001_13-08-17

Spiders and Mites 12-Jan-2018

insects%20spider%20A09_003_15-10-17 insects%20spider%20A08_003_15-10-17 insects%20spider%20A01_003-05_15-10-17 insects%20spider%20A11_001-08_15-10-17 insects%20spider%20A10_003_15-10-17 insects%20spider%20A06_001-06%2008_15-10-17 insects%20spider%20A04_002-06_15-10-17 insect%20spider%20B01_001-05_03-12-17 insect%20spider%20A01_001-05_03-12-17

True Bugs 11-Jan-2018

insects%20shieldbug%20A01_001-06_14-10-17 insect%20Shieldbug%20A02_001-04_13-08-17 insect%20Shieldbug%20A01_001-03_13-08-17 insect%20Mirid%20Bug%20A_001_13-08-17 insect%20leafhopper%20A02_001-02_13-08-17 insect%20Mirid%20Bug%20C01_001_08-07-17 insect%20Mirid%20Bug%20B01_001-02_08-07-17 insect%20Mirid%20Bug%20A01_001-03_08-07-17

All Content Photography

 

For best viewing calibrate your monitor so the black and white areas of the gray scale chart can be just distinguished.

                                              

All Content 2005-18 Lester Wareham All Rights Reserved     

All material is supplied  as is and without warranty, use at your own risk.  

All opinions stated are the authors own.

All quoted information remains the copyright of the respective authors.

Any trade marks mentioned are the property of their owners.

  

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Note this email gets spammed a lot so if you want to get your message through please prefix "Holding Tank" in the title

holdingtank@ware.myzen.co.uk