Olympus UK E-System User Group
Olympus UK E-System User Group

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Search: Posts Made By: pdk42
Forum: The lounge 2 Weeks Ago
Replies: 35
Views: 592
Posted By pdk42
Re: If Sensor Size Doesn't Matter, Why Buy a Bigger One?

I went to an exhibition of Olivia Parker on Fri. She specialises in still life. Her work is of the highest technical quality and it spans over five decades. She spent a time in the 80s using large...
Forum: General photography discussion 2 Weeks Ago
Replies: 2
Views: 213
Posted By pdk42
Re: Where to host pictures etc

Try Fasthosts. Not free, but not too expensive either.

https://www.fasthosts.co.uk
Forum: General photography discussion 2 Weeks Ago
Replies: 23
Views: 841
Posted By pdk42
Re: F Stop.............!!

Diffraction can be numerically estimated using the Rayleigh criterion for the size of the Airy disk. For closely-spaced objects this approximates to:

x = 2.44 L N

where:

x = size of Airy...
Forum: The lounge 2 Weeks Ago
Replies: 35
Views: 592
Posted By pdk42
Re: If Sensor Size Doesn't Matter, Why Buy a Bigger One?

There are really only two differences in theoretical terms:

- Larger sensors give shallower DoF for a given field of view. A 50mm lens on FF gives a similar field of view to 25mm on m43. Point...
Forum: The lounge 4 Weeks Ago
Replies: 47
Views: 1,118
Posted By pdk42
Re: Climate Change - Latest

Seems it's a nuanced answer:

https://climate.nasa.gov/faq/30/if-all-of-earths-ice-melts-and-flows-into-the-ocean-what-would-happen-to-the-planets-rotation/

Depends on whether you're talking...
Forum: Telephoto 4 Weeks Ago
Replies: 22
Views: 1,224
Posted By pdk42
Re: Panasonic 100-400 vs 300 f4 information

I've played with both. The 100-400 felt bigger in real world use.
Forum: The lounge 4 Weeks Ago
Replies: 30
HELP! Pop Up Scam?
Views: 786
Posted By pdk42
Re: Pop Up Scam?

The basic Windows Defender is just fine. You don't need anything else. Also make sure that your firewall (usually on your router) is configured properly (default value unless you know what you're...
Forum: Introduce yourself 2nd July 2019
Replies: 9
Views: 777
Posted By pdk42
Re: Hi from West Yorkshire

Welcome. We're a generally friendly bunch here so feel free to ask questions and get involved!
Forum: Foto Fair 1st July 2019
Replies: 3
Views: 249
Posted By pdk42
Re: A very rare two headed Puffin?

Zaphod the Puffin! Nice shot as well.
Forum: Foto Fair 1st July 2019
Replies: 10
Views: 467
Posted By pdk42
Forum: Foto Fair 1st July 2019
Replies: 10
Views: 467
Posted By pdk42
Re: Swallows - MC-20 and Firmware 3.0 Test.

For those interested, there's a review by Tesni Ward here:

http://www.tesniward.co.uk/the-mc-20/

There are some sample shots with the 40-150.

I'm personally not confident that it'll work...
Forum: Introduce yourself 26th June 2019
Replies: 4
Views: 443
Posted By pdk42
Re: Hello from East Sussex

Welcome. Nothing to fear in micro for thirds. Buy on old EM5 and give it a try. They can be found at very reasonable prices.
Forum: Introduce yourself 25th June 2019
Replies: 13
Views: 670
Posted By pdk42
Re: Hi from sunny Bedfordshire

Welcome!

Tips for the Pen-F (and most Olympus M43 cameras):

- Upgrade to firmware 2.1. There were stability issues on some cameras with earlier releases. Latest is 3.1. 3.0 introduced some...
Forum: Olympus OM-D E-M5 Mark II 25th June 2019
Replies: 12
Views: 949
Posted By pdk42
Re: Back in business

Lovely poppy shots Chris. Love nr 1
Forum: Olympus OM-D E-M1 Mark II 19th June 2019
Replies: 218
Views: 7,650
Posted By pdk42
Re: v3 Firmware for mk2 - updates for mk2, m1x and lenses

Battery life is very little to do with the number of shots taken. It's primarily driven by how long the camera is turned on. I've shots thousands on some occasions and low hundreds on others.
Forum: The lounge 19th June 2019
Replies: 14
Views: 447
Posted By pdk42
Re: Is it only the British ?

No, it's not only the British - the Japanese are worse. This is an amusing excerpt from the Nixon/Sato talks in 1969:



Source:...
Forum: The lounge 17th June 2019
Replies: 12
Views: 399
Posted By pdk42
Re: Forum enhancements?

Well, it seems to work!

http://www.e-group.uk.net/gallery/data/500/Capture4.JPG
Forum: Software 14th June 2019
Replies: 14
Views: 1,003
Posted By pdk42
Re: ChromeBooks?

As everyone says, Chromebooks run Chrome OS which is a Linux variant. In principle you will be able to run any Linux app on it (e.g. Darktable etc). The later Adobe apps will work on it, but not...
Forum: Foto Fair 12th June 2019
Replies: 10
Views: 493
Posted By pdk42
Re: Quiraing

Luvely! .
Forum: Dealers' Den 12th June 2019
Replies: 46
Views: 4,989
Posted By pdk42
Re: Panny 12-32mm, bargain at Bristol Cameras.

The 12-32 is the better lens too (and it goes to 12mm which is definitely a big deal in my eyes :)).
Forum: General photography discussion 10th June 2019
Replies: 1
Views: 599
Posted By pdk42
Interesting interview with Olympus engineers

Imaging Resource - Dave Etchells. Usually a good read:

https://www.imaging-resource.com/news/2019/06/09/how-to-keep-water-out-of-lenses-make-stepper-motor-af-crazy-fast-olympus
Forum: Foto Fair 8th June 2019
Replies: 10
Views: 694
Posted By pdk42
Re: Grey days on Skye

Lovely. Number 1 for me is the best, but not a bad one there!
Forum: Micro Four Thirds 31st May 2019
Replies: 5
Views: 814
Posted By pdk42
Re: Upgrade to weather sealed

Here's my take:

- There's virtually nothing between the E-M1 and E-M5ii in terms of IQ in normal circumstances, but for long exposures (30s or greater), the E-M1 is WORSE - you get terrible chroma...
Forum: Foto Fair 31st May 2019
Replies: 13
Views: 450
Posted By pdk42
Re: Horizontal Squibble

Ah - a tree rat! They look cute, but I'd strangle them all if I could!

Nice shot though :)
Forum: General photography discussion 22nd May 2019
Replies: 9
Views: 827
Posted By pdk42
Re: Sony RX100

I had one for a short while. Good IQ, but handling was atrocious. I think an LX100 would make a better option (if you can get one that focuses properly at longer distances). Either that or a...
Showing results 1 to 25 of 500

 
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