March 02, 2015, 02:23:30 PM

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Messages - GuyF

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Canon General / Re: Spartans, What is your profession?
« on: March 01, 2015, 10:07:01 AM »
I always wondered what was Neuranatomist job...

He stacks shelves in Walmart or is an ambassador for Nikon or something

Canon General / Re: Spartans, What is your profession?
« on: March 01, 2015, 09:51:36 AM »
I may, or may not, work for GCHQ in the UK. Currently I'm undercover as a guacamole inspector in Peru.

In reality my real job (not in GCHQ) is so dull and endlessly plagued by IT issues that I can't begin to describe it. Photography is a beautiful escape from the tedium.

Still, I can maybe retire in 20 years or so. :'(

Site Information / Re: Is it possible to delete all your posted images?
« on: February 01, 2015, 05:43:45 AM »
Marsu - yeah, I can understand how deletion could mess things up. I was thinking deleted images could be replaced with a generic "image no longer available" graphic or something.

Never mind, it was just a thought.


Site Information / Re: Is it possible to delete all your posted images?
« on: January 31, 2015, 05:10:26 AM »
Thanks all for the input.

Yeah, I was wondering if it was possible to delete all posted images at once.

I wonder if this option could be implemented?


EOS Bodies / Re: Bingo! New Canon 5Ds has 50.6 MP new rumored specs
« on: January 31, 2015, 05:06:36 AM »
Looking forward to the inevitable 5Ds vs 645z shoot-out.  ;D

As my first post (been reading for about a year or two), this is what I am certainly looking for.  I've been looking to step to MF for my landscapes for a bit now, and was heavily considering a 645D since they've come down in price a bit.  Plus I read some reviews that had it ahead of Nikon's D810 (might have been the D800E, I don't remember 100%) when it came to large prints - think 24"x32" and up.  That's not to say that Nikon's didn't perform well, and if this beast of a 5Ds comes in and that mark or higher, I'm in.  I'd love to get close to MF quality without having to break the bank and build any entirely separate system.

I'd love to go medium format - images often look so "velvety" (if you get my meaning), excellent colours, tonal definition etc. etc. But I wonder how many people will read the 50mp headline in the forthcoming adverts and expect the new 5Ds to go toe to toe with MF sensors? I think they'll be in for a shock when they see what lots of tiny photosites on a full-frame sensor give you when compared to the same number on a MF sensor.

I think someone's gonna be disappointed!

Site Information / Is it possible to delete all your posted images?
« on: January 30, 2015, 01:45:26 PM »
I've looked around the site but I can't see if it's possible to delete all the images I've posted. Do I need to make a special request to the moderators?

Many thanks!

EOS Bodies / Re: Bingo! New Canon 5Ds has 50.6 MP new rumored specs
« on: January 30, 2015, 01:37:24 PM »
The latest update from Canonwatch:

    50.6MP full-size CMOS sensor (53MP total count)
    5DS R is without low-pass filter
    Magnesium alloy body
    Dust and water sealed
    Dual processor DIGIC6
    Regular sensitivity ISO 100-6400, expand to 12800
    Continuous shooting 5 frames / sec.
    High precision 61-point AF, 41 cross type
    EOS iTR AF
    150,000 pixel RGB + IR photometry sensor
    Added “fine detail” to the Picture Style
    1.3x and 1.6x crop shooting mode
    Customizable “Quick Control Screen”
    Time-lapse movie
    Interval Timer
    Bulb timer
    No headphone terminal
    No DAF
    No HDMI output for video (clean out). Not to compete with 5D III other video features are same.

The source also stated that the sensor is made by Canon using a new CMOS manufacturing process.

So, who's first to pre-order one?


First person to find the hidden flight simulator on their 7D2 gets a prize!

Many thanks to all of you for giving me your thoughts and experience. I've always said this site is excellent for the quick and useful advice from (most of) those who use it.

I'll do a bit more research - I see Kenko tubes appear quite similar to Canon in that they use metal where it matters.

I'm lucky to also have the 300mm f2.8 mk1 but couldn't carry it and the 500mm around at the same time, hence thoughts of extension tubes. (Why have one mid-life crisis when you can have two and buy a big white each time to cheer yourself up?  :D)

As a small thank you, have a slightly over-saturated shot of a Nuthatch taken with the 300mm (I'm not really a bird watcher but am told the Nuthatch is very rare this far north in the UK. There's bleedin' loads in my local woods).

Take care.

Taking shots at the weekend from a bird hide with my 5D3 plus 500mm mk2 and quite a few times found the minimum focus distance was maybe just a couple of feet too far (I wasn't able to move further back). Flipping through a book by David Noton (Google him if you're not familiar with his work), he mentions having used a 14mm extension tube with a 500mm lens for the same reason. He doesn't say anything regarding losing a stop of light or what the min/max focus distances get reduced to so I wondered if any of you know how to calculate the changes in min/max focus based on an extension tube of size "x" with a lens of length "y".

If any of you have used a tube to reduce the min focus distance of a big white, I'd be grateful for any info you can offer.


I'm in Scotland which may soon become a new tax haven with its own nuclear weapons if "the grand plan" works  ;).

Someone should point out to the misled chap that it isn't the camera, it's the finger on the shutter release that counts. Give Eddie van Halen or Jimi Hendrix a $10 guitar and they'll still blow you away. Same with any creative tool.

I wonder how long he'll still tune in here to see what he's missing.

Still, who cares? It's all just a bit of fun. Mind you, it's all fun until someone loses an f-stop.

Thanks for all the suggestions!

Mackguyver - GAS is only a problem if you accept it as one!

Lintoni - my serial number isn't one of the affected ones.

Valvebounce - I don't have a cat but wondered if I should send in a spider to get the bug then a sparrow to get the spider then a cat to get the sparrow etc. In the end I was trying to wrangle a great white shark to get the tiger which ate the kangeroo (don't ask).

I'll take some shots later to see what it's written on the sensor. Probably something snooty about having lived in a Hasselblad for a while.

Take care.

While out for a walk around my local forest I discovered some sort of tiny bug wandering aimlessly across my focus screen (didn't change lens while out there). Got back home and checked which side of the focus screen it's on. Sigh, yup, it's inside the screen so no easy way of getting to it without using a hammer.

So the question is, should I

1. Ignore it. As long as it's on the focus screen, it isn't scuffing up my sensor with its hobnail boots.
2. Leave the lens off overnight and place the body next to a saucer of milk hoping that will entice the little critter out.
3. Use this as an excuse to sell the body and wait for the next big thing.

Useful suggestions please.

(Yes, I know if I'd just bought a 1DX I could remove the focus screen etc. etc.)

Thanks all.

This is very impressive but it might fool some into thinking they can compete with the world-class pro photographers.

I don't have a mobile phone so will just stick to the old-fashioned way of doing things, you know, mouse clicks whilst sniffing developer fluid.

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