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Tim Watters | 1 Nov 2003 01:02

Re: how many mega pixels

--- In BackpackingLight@..., "Josh Wilkins" 
>For an 8 day trip to Isle Royal we too over 160 pictures. I want 
>most of them for keep sakes, really don't need to be printed. The 
>cost to develop all these would be crazy. 

Folks, I do not want to go to war over digital vs. film photography. 
Both media have their pros and cons.

The immediate feedback and no apparent cost of processing certainly 
attracts many backpackers to digital. However, the case is often 
overstated by digital devotees.

The cost of 160 pictures (about 5 rolls of film) using slide film 
with pre-paid processing mailers is less than 35 US dollars (Based 
on a current check of NY prices). 

I still maintain that for profesional quality (as the first post 
asked about) photo equipment in a wilderness setting it is still 
difficult to beat a good mechanical (i.e. not dependant on 
batteries) SLR camera with pro grade optics, a good solid tripod, 
and film.

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dspellman2002 | 1 Nov 2003 01:06
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Re: re. Zee digital & zee film

--- In BackpackingLight@..., "Andy Mytys" <amytys <at> h...> 
wrote:

> All I'm saying is that those old cameras, or new cameras for that 
> matter, have proven rather static in their technology.  The real 
> leaps and bounds in 35mm photography, IMO, have come in film... not 
> cameras.  If you know what you're doing, a camera from 1970 will, 
in 
> most cases, bear equal results to anything you're going to pick of 
> for under a couple grand on the street today.  The only real leaps 
in 
> H/W that I've seen are motor drives and shutter speeds.  

Not exactly true. Lenses are generally sharper and more contrasty, 
especially in the corners. Image stabilization/vibration reduction 
makes a huge difference. 

> I suppose the question becomes "adequate for what use".  Certainly, 
> your average joe isn't going to need anything more than 3MP.  The 
> joke in digital is that everyone's trying to one-up the competition 
> in MegaPixels and price, and not enhancing lens quality and, even 
> more importantly, focus and metering.

Nikon has a whole new series of lenses in the works that are 
specifically designed for digital. But at 6 megapixels, they're 
scarcely necessary. There will probably be two kinds of lenses 
introduced -- one for the 4:3 digitals (a smaller sensor for the 
consumer market generally about the size of the smaller-than-35mm APS 
film format)and another for full-format cameras. Focus enhancement is 
in the works and metering, moving forward from cameras like the F5,
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dspellman2002 | 1 Nov 2003 01:16
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Re: Poll: do you feel that you have ever been mal-nourished ?

--- In BackpackingLight@..., "Kathleen Carscadden" 
<Kathsspace@...> wrote:
> Not a nutritional expert, but as one who has lost as much as you 
weighed I
> can tell you that I would make an effort to increase your protein 
intake to
> stave off muscle wasting.  Often times when I'm hiking I find 
myself falling
> prey to easily consumed carbs and falling short of my protein needs.
> Kath

Protein intake doesn't really have much of an affect on muscle 
wasting. Fats and carbs are easily transformed by your body into 
muscle protein (as any cow can tell you), and protein usually takes 
MORE energy to break down anyway during the digestive process and 
contributes very little to your overall nutrition. You really don't 
have much in the way of "protein needs," contrary to popular belief 
(which isn't to say you have none at all...)

I think the best source of calories (in terms of weight carried) is 
in fats. I think one of the old mountaineering standbies is butter 
rolled in brown sugar. Seriously. 

david

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dspellman2002 | 1 Nov 2003 01:24
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Re: New poll for BackpackingLight

--- In BackpackingLight@..., "Emma Eyeball" 
<tarbubble@...> wrote:
> yes, and you left out the "head for the desert" choice as well.  
i'm 
> off to Joshua Tree NP in another week!

Maybe I'll see you there. I'm just hoping the rain next week has 
cleared out by then.

david

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Tom Burnett | 1 Nov 2003 01:38
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Re: Q's about Povidone Iodine & Water Treatment

Sounds very dangerous to me. I would doubt that chemical is 
meant for ingestion.

--- In BackpackingLight@..., "Palefrei" 
<palefrei@...> wrote:
> 
> From a local supply company that went out of business I 
managed to 
> score a fairly large quantity (200+) of these little plastic tubed 
> glass ampules for individual applications of Povidone Iodine 
Topical 
> Solution U.S.P.
> 
> Here's a close approximation of what these are:
> 
> http://www.james-alexander.com/products.html#povidone
> 
> The company that I acquired these from apparently refilled First 
Aid 
> kits at corporate first aid rooms among other things.
> 
> I'd like to reduce my load, dump my Aqua Mira and use these 
ampules 
> for double duty in the First Aid kit and for water treatment.
> 
> Anyone try using these for water treatment? Seems I could 
crush the 
> ampule and get at least 4-8 drops of the solution into my 
Nalgene 
> bottle and then return it to the cardboard sleeve to pack out.
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Tom Burnett | 1 Nov 2003 02:11
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Re: Poll: do you feel that you have ever been mal-nourished ?

I disagree. Protein malnutrition is the most widespread 
nutritional problem among children in the world today. The 
disease is called Kwashiorkor and is caused by infants being 
weaned from breast milk (an excellent source of protein) onto a 
starchy diet.

Proteins are made from amino acids, not carbohydrates or fat. 
Proteins can be metabolized to form glucose by a process called 
gluconeogenesis, but neither glucose nor fat can form protein.

--- In BackpackingLight@..., "dspellman2002" 
<dspellman2002@...> wrote:
> 
> Protein intake doesn't really have much of an affect on muscle 
> wasting. Fats and carbs are easily transformed by your body 
into 
> muscle protein (as any cow can tell you), and protein usually 
takes 
> MORE energy to break down anyway during the digestive 
process and 
> contributes very little to your overall nutrition. You really don't 
> have much in the way of "protein needs," contrary to popular 
belief 
> (which isn't to say you have none at all...)
> 
> I think the best source of calories (in terms of weight carried) is 
> in fats. I think one of the old mountaineering standbies is butter 
> rolled in brown sugar. Seriously. 
> 
> david
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Tom Burnett | 1 Nov 2003 02:28
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Re: Poll: do you feel that you have ever been mal-nourished ?

Please review the nutritional recommendations for backpackers 
and other endurance exercise enthusiasts by Brenda L. Braaten, 
Ph.D.

http://www.frc.mass.edu/bbraate/packlite/index.htm

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Bryan Hansel | 1 Nov 2003 03:15

Re: Re: re. Zee digital & zee film

No need to be flip.  Most of the bracketing I do ends up saved in my 
files.  Like you said, "different views of a single composition.  I tend 
to bracket a lot of sunrises and sunsets.  I find the mood can be much 
different with each bracket.  I recently ran a 6 fram bracket on a sun 
set and I love all of them but one.  I very seldom bracket close-ups, 
never on people or wildlife.

Bryan

richard.dreher@... wrote:

>
>
> As to burning gobs of film by bracketing, I don't mean to be flip but
> technique replaces most bracketing. When I do bracket, it's usually
> because of a strong backlighting situation. In these cases, I often
> find that there's more than one useful result--different views of a
> single composition, which often means keeping them all.
>

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oldguy6062 | 1 Nov 2003 03:29
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Re: Poll: do you feel that you have ever been mal-nourished ?

Thank you, Tom, for this reference. The most complete and helpful I 
have found.

--- In BackpackingLight@..., "Tom Burnett" 
<tomfoolery64@...> wrote:
> Please review the nutritional recommendations for backpackers 
> and other endurance exercise enthusiasts by Brenda L. Braaten, 
> Ph.D.
> 
> http://www.frc.mass.edu/bbraate/packlite/index.htm

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Bryan Hansel | 1 Nov 2003 03:31

Re: Re: re. Zee digital & zee film

Slap a two or three stop ND filter over your lens and you should be able 
to slow your shutter speed enough to get silky water.  They only weigh 
2.5 oz each.

Bryan

amytys@... wrote:

>
> Not having F16 and above is a real BITE!  If I want those cool shots
> where water looks fluid in the print, I've got to go back to 35mm.
>
>

[Non-text portions of this message have been removed]

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