The camera only weighs as much as two K-3s, the lenses however...

I'll regularly carry one body and 20-35mm, 43mm limited, 70-210mm (Vivitar S1 2.8~4.0), and an A or M * 300 f4.0. Let's add up the weight there, .54 lbs + .34 lbs + 1.9 lbs 1.87 lbs which gives a grand total of 6.65 lbs or a bit over 3 Kilograms. The equivalent range in lenses in the 645 system, would weigh... Oh hell, too much work. The equivalent angle of view for the 300mm would need a mythical 580mm on the 645Z. Closest thing available would be a 645 A*600 f5.6, which would weight more than my entire carry kit, (4.8 Kg), (It would cost more than my carry kit, if you can find one). Sadly for me the allure of the 645Z lasts until I contact my orthopedic surgeon. On the other hand if I had enough studio work or people were banging down my doors for my landscape photos, I'd hire a Sherpa.

On 12/8/2014 1:20 AM, Zos Xavius wrote:
Thanks for the writeup Stan. It only weights as much as 2 K-3s huh? I
carry a K-5 IIs and a K-3 with grips all the time and I don't find it
to be such a big deal really. I bet this would even fit in my domke
f-2. You really need to stop making me want one. :)

On Mon, Dec 8, 2014 at 12:57 AM, Stanley Halpin
<[email protected]> wrote:
[continued from a previous “Part 1” due to excess verbosity and PDML limits on 
size of posting.]

Part 2: What is it like to use it (and is it worth the price?)

In the above listing of some “positive” and “negative” observations on the 
645Z, I think there are more “-“ items than “+” items. But don’t think of this 
as a math problem where too many negatives must swamp the positives. I have 
tried to be thorough and somewhat picky, trying to give fair warning of 
possible “issues” to any who might be thinking of making the step to a 645z. 
But what isn’t accounted for above is the experience of using the camera and 
the experience of looking at the images later on a good monitor. In short, I 
have no regrets about making this purchase. I have some regrets about having 
sold many of my most favorite K-mount lenses in order to finance the purchase, 
but I am happy with the resulting two-format system and the set of lenses I 
have for each system.

Shooting with the 645z is a lot like shooting with any Pentax DSLR of the last 
few years. Just bigger and better. Coming from the K-5 series or K-3, you would 
be ready to go within a few minutes of taking the camera out of the box. And 
your spare K-3 battery would already be charged so you wouldn’t need to wait 
for the 645z battery charging process! Turn it on, wander through the menus to 
tweak some of the settings away from default to your preferred style, and fire 
away.

The first thing you may notice is that the whisper-quiet K-3 shutter is not 
included with the 645z. Shutter release is accompanied by a subtle but definite 
“thunk.” Not loud enough to disturb, but you’ll know for example when the self 
timer has done its thing and the shutter has been triggered.
The second thing you may notice, when you pull the card out, and dump those 
first images into your processing tool of choice, is that the images don’t seem 
that spectacularly different or better than you were getting with the K-3. 
Several things going on here. First, the K-3 is pretty darn good! Second, you 
may well not see the advantages of the larger file until you go beyond that 
first RAW-to-jpg-to-screen translation. Third, you probably rushed out and 
tried some handheld shots. On this last point, at the risk of repeating my 
self, note that this is a large heavy camera. Even if you can handhold a K-3 
with no problem, you probably can’t with this camera, not without practice 
anyway. And oh by the way, don’t forget that there is no SR to provide a safety 
net.

So, go online, order one or two plates from Really Right Stuff.

Carrying a tripod is a nuisance. Over the last two-three years I have come to 
use a tripod for a majority of my shots with the K-5, K-5ii, K-3 and now the 
645z. I still find it a pain, especially when traveling. One thing that I like 
about the 645z is that it encourages me to be more deliberate in my shooting, 
to carry the tripod, to use the tripod. To frame and consider and reframe. To 
review on the LCD. To use the Liveview.  To experiment with alternate f-stops 
and ISO for variations in DOF. A lot of this is due to the nice large bright 
large viewfinder and (tilting) LCD which make composition and review much 
easier for my aging eyes.

On my recent trip I alternated, using both the K-3 and the 645z. (And sometimes 
the WG-III.) I seldom carried both; I usually took the 645z and then usually my 
tripod as well. But when we went on a catamaran to go snorkeling, I took the 
K-3 (and WG-III for underwater). When I got up early to go on deck to see the 
sunrise, that was with the K-3. If I was sitting poolside working on my laptop, 
the K-3 or WG-III was along. But if I was in a taxi off to see the Winston 
Churchill painting locale and some of the Madeira sea-cliffs near Funchal, I 
had the 645z and tripod. So, the 645z was my formal dress camera, the K-3 was 
my casual camera, and the WG-III was my informal/leisurewear camera. I suspect 
that that usage pattern will continue.

I’ve gone on long enough. Except that I haven’t directly answered the key 
question: is the increased resolution etc. worth it? Worth the expense, worth 
the need to switch to a new set of lenses, a new set of working habits? And I 
can’t answer that question because so much depends on your own cost-benefit 
factors. Only you know how big a financial sacrifice you can cope with, and how 
willing you are to try new things. Only you know what you are trying to do now 
with your photography and where you might want to take it in the future. FWIW, 
in terms of broad categories of photography, I would expect the 645z to be an 
ideal tool for scenic shots, maybe for studio work. Nature shots, especially 
macro but probably not so much birds and other small fast-moving distant 
wildlife. Good for situations where you set up on a tripod, deliberately and 
carefully compose and shoot. If you do decide to buy one, don’t expect to find 
mine on the used-camera market anytime soon.


stan
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