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Messages - neuroanatomist

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7966
Lenses / Re: UV or clear protection filter?
« on: February 16, 2013, 11:20:06 AM »
No difference between clear and UV for a dSLR.  Well...I can't speak for all of them, but I can speak for the 7D and 5DII that I empirically tested with both short- and long-wave UV light sources - both were insensitive to UV.

7967
Lenses / Re: How to reduce the nd filter warm color cast?
« on: February 16, 2013, 08:02:10 AM »
Doesn't have to be IR.  if you look at the transmission curve for the B+W 3.0, it starts to rise from 'neutral' at about 630nm.

ok whatever you say but cinema guys I know all have full line up of hot mirror IR ND filter kits.
I guess they have spent thousands for nothing.

what do i know... live and learn

Ummm...ok.   :-\   My point was that it's important to know the transmission characteristics of your filter.  With a B+W 110 and an IR cut filter starting at 700nm, you've still got some increased transmission from 630-700nm. 

7968
Lenses / Re: How to reduce the nd filter warm color cast?
« on: February 16, 2013, 07:34:47 AM »
Doesn't have to be IR.  if you look at the transmission curve for the B+W 3.0, it starts to rise from 'neutral' at about 630nm.

7969
PowerShot / Re: Fast AF Canon compact for under £100
« on: February 16, 2013, 07:27:20 AM »
...are my expectations high due to using DSLR's for 4 years ?

Unless you usually use live view AF, probably...   CDAF is ssssllllooooowwwwwwww.

7970
Canon General / Re: Bag question
« on: February 15, 2013, 10:24:54 PM »
I've loaded the Flipside 400 AW with a gripped body, 430EX II, and either one big white zoom (70-200/2.8L IS II or 100-400L) and four black lenses (e.g. 24-105L, 16-35L II, TS-E 24L II, 100L Macro, 135L, etc.), or two big white zooms and three black lenses.
With room to spare, probably.

Maybe enough for a CF card or two...   :P

7971
Canon General / Re: Bag question
« on: February 15, 2013, 07:06:20 PM »
Hib belt great for stopping the bag swinging, terrible for screwing up your lower back, a chest strap is the way to go, weight over shoulders and chest.

Years of backpacking experience disagree - there's a reason backpacking packs have supportive hip belts. Obviously, you should do what's best for you, but the general recommendation is to have more weight on the hips than the shoulders. 

Granted, some hip belts on camera packs are useless - the Flipside 300 is in that category.  But the 400 AW has a decently supportive hip belt (although not as good the one on the Osprey internal frame pack I use for backpacking). 

7972
Lenses / Re: Is the 45mm TS-E good for wedding photography?
« on: February 15, 2013, 04:45:34 PM »
For creative shots from a tripod, it's ok (although it's arguably the worst of the TS-E lenses), it's perhaps not the best walk-around-and-shoot lens...   ;)

7973
Canon General / Re: Bag question
« on: February 15, 2013, 03:53:13 PM »
Tried the Lowepro tool to estimate which bag I need. It told me I should get the Flipside 500 AW. Hmm...

I've loaded the Flipside 400 AW with a gripped body, 430EX II, and either one big white zoom (70-200/2.8L IS II or 100-400L) and four black lenses (e.g. 24-105L, 16-35L II, TS-E 24L II, 100L Macro, 135L, etc.), or two big white zooms and three black lenses.

7974
Canon General / Re: Bag question
« on: February 15, 2013, 02:43:53 PM »
getting the right bag is a quite personal thing

Put another way, there's no such thing as the 'right bag' for every situation.  I suppose that's why I have more camera bags than my wife has purses...   ;)

7975
EOS Bodies / Re: What if the rumored 5Dx is actually a 4D?
« on: February 15, 2013, 01:42:18 PM »
You repeatedly insisted that high fps were required to take good photos and that skill was no replacement for this which obviously leads one to conclude that you're insisting that high fps is required to get good photos.

Link, please?  In particular, when did I state that one could not get good photos without high FPS?  Pity you don't seem to understand the difference between 'helpful' and 'required'.  I can't help if you draw completely bogus conclusions from my statements, but please do not misrepresent what I'm actually writing.   

7976
EOS Bodies / Re: What if the rumored 5Dx is actually a 4D?
« on: February 15, 2013, 12:13:21 PM »
but, but, ... Neuro, you promised stop beating that horse  ;D

"You see what I did? I didn't let it lie."  --Harry Burns (Billy Crystal in When Harry Met Sally)   :P

7977
Lenses / Re: Promaster UV filter quality or lack of it.
« on: February 15, 2013, 11:59:40 AM »
I'd skip the Promaster.  Camera shops like to sell them because they have a high profit margin (they are, or at least they were, re-branded low-end Tiffen filters).  If you want a protection filter, get a B+W MRC or Nano, or a high-end Hoya (S-HMC or HD).

7978
Lenses / Re: Are you using a filter on your 40mm
« on: February 15, 2013, 11:57:50 AM »
No filter on mine (although I use a B+W MRC UV on all my other lenses except the one without front threads).  For me, the whole point of the 40/2.8 is it's small size, I don't want to make it any thicker with a filter.

7979
Lenses / Re: How to reduce the nd filter warm color cast?
« on: February 15, 2013, 11:51:52 AM »
Buy LEE or schnider optic.
If you're talking about schnEider :-> optics (B+W) - they are just releasing their 82mm nd filters, they much more expensive than Heliopan (probably early adopter's premium) and one of the above posts also states that b+w also has a color cast - so I went for the cheaper Heliopan w/o coating (it's not supposed to let through light after all).
Schneider has had an 82mm 10-stop ND for a while (in fact, when I bought it in 2011 they were the only game in town for an 82mm ND3.0 screw-in).  It does have a warming effect, you can see an example I posted in this thread.

7980
Canon General / Re: Bag question
« on: February 15, 2013, 11:46:00 AM »
I personally don't like photo backpacks.

Regardless of my personal feelings, when carrying a 15 lb (or more) load, my back really likes two shoulder straps and a hip belt, vs. just one shoulder strap...

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