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Forum: Pentax Medium Format 04-19-2018, 02:15 PM  
Post your medium format photos!
Posted By mikeSF
Replies: 13,133
Views: 2,167,883
More milky way from Mendocino. Admittedly, this one has a good bit of extra processing applied.


Under The Milky Way
645Z & DFA35
Forum: Pentax Medium Format 02-10-2018, 12:10 PM  
Post your medium format photos!
Posted By mikeSF
Replies: 13,133
Views: 2,167,883
Yesterday morning from Big Sur, CA
Passage
645Z & DFA 35/3.5
Forum: Pentax Medium Format 02-08-2018, 09:28 PM  
Post your medium format photos!
Posted By mattb123
Replies: 13,133
Views: 2,167,883
Nuclear sunset tonight. Just went to the nearby creek.
645D & A 35
IMGP9785-Edit by Matt Burt, on Flickr

645D & FA 45-85
IMGP9812-Edit by Matt Burt, on Flickr
Forum: Pentax Medium Format 01-01-2018, 08:32 AM  
Post your medium format photos!
Posted By mikeSF
Replies: 13,133
Views: 2,167,883
from last night, duh.
Happy New Year!

Happy New Year!

Tonight We're Gonna Party...

645Z & 67 M*300/4 + 67 2x TC
Forum: Pentax Medium Format 12-19-2017, 11:16 PM  
Post your medium format photos!
Posted By mikeSF
Replies: 13,133
Views: 2,167,883
Light painting tonight with my headlamp on this abandoned Chevy Flatbed truck:

'54 Chevy Truck
645Z & DFA 25/4
Forum: Pentax Medium Format 12-06-2017, 05:30 AM  
New 645z in 2018?
Posted By 2351HD
Replies: 83
Views: 14,251
Need......more.......new.........quality.......lenses........first.
Forum: Pentax Medium Format 10-17-2017, 12:43 PM  
Post your medium format photos!
Posted By Ristretto
Replies: 13,133
Views: 2,167,883
Chogha Zanbil, Shiraz and Isfahan


Edit: No 3 is HDR...
Forum: Flashes, Lighting, and Studio 07-28-2017, 08:43 PM  
SUPPLEMENT to the PENTAX FLASH GUIDE
Posted By Class A
Replies: 28
Views: 3,133
That's what I assumed, and I'm glad to read that paulster got explicit confirmation from Cactus that indeed there is a protocol translation even for the TTL pass-through mode. They could have done that for the current V6II already, but it would only have made a difference with respect to HSS; for anything else, no translation is required. So I guess there wasn't much incentive to implement protocol translation for the pass-through mode. But now that the V6II is meant to support full TTL cross-brand usage, it would seem a bit limiting to limit on-camera flashes to those that would have fully worked on the camera directly.


So how do you think the distance is calculated?
Why does it show 4m, instead of 8m, given a set of settings?

Associating a distance with a flash power and camera settings only makes sense, if one assumes some desired level of exposure. That (fixed!) level is rarely what one actually wants.


That does not make sense to me at all, because I would light all those subjects differently. If you are talking about "technically correct" exposure then, yes, of course that can be achieved in this manner, but I bet you there will be very few instances, where that technically correct exposure is what I'd want (in particular, given from where the light is coming from (virtually from the lens axis)).


I understand that.

There is still the notion of some flash power level assumed to be the "correct" one and that notion is based on an idea of "correct exposure" which is in turn defined by obtaining a certain amount of light from a surface with standard reflectance. If that's not the case, please explain to me how else the "correct" distance indication is calculated.


Now we are talking! :)

However, the adjustments you are talking about are not confined to exotic choices for weird artistic aims. In my view, almost all scenarios call for some level of adaptation. The camera (whether it is for regular exposure, flash exposure, or suggesting a "correct" distance for a manual flash level) just gives you a starting point. That starting point is rarely what one really wants and calls for adjustments.

It can be argued that it is better to have that starting point and then work with standard compensation choices for various applications, and I can see that point, but this does not mean that there is a mechanical way to achieve the "right" exposure for an image. The (technically) "correct" exposure can be provided automatically (not always when metering is involved, though), but my view is that it will almost never be the "right" exposure for an image.
Forum: Pentax Medium Format 05-09-2017, 07:43 AM  
Post your medium format photos!
Posted By mattb123
Replies: 13,133
Views: 2,167,883
645D & FA 80-160
IMGP1294-Edit by Matt Burt, on Flickr

645D & A 200/4
IMGP1269-Edit by Matt Burt, on Flickr
Forum: Pentax Medium Format 04-25-2017, 10:56 PM  
Post your medium format photos!
Posted By therion
Replies: 13,133
Views: 2,167,883
For some cases, Fuji Velvia and 6x7 format is the best, and this is it:


Pentax 67, smc Takumar 6x7 105/2.4 @ f2.4
Forum: Pentax Medium Format 04-06-2017, 09:23 PM  
Post your medium format photos!
Posted By mikeSF
Replies: 13,133
Views: 2,167,883
Lincoln Speedway

645Z & D FA35/3.5, 18-sec
Forum: Pentax Medium Format 03-29-2017, 08:37 PM  
Post your medium format photos!
Posted By Ed Hurst
Replies: 13,133
Views: 2,167,883
Shot at sunrise on New Year's Eve 2016 while waiting to secure my vantage point for that night's fireworks.

645Z with 25mm f4DA lens (two frame pano).

PanoFromFilesIMGP5247And50Step7sRGBSMALL by Ed Hurst, on Flickr
Forum: Pentax Medium Format 03-17-2017, 01:39 AM  
Highlight range in newer MF sensors, real world experience
Posted By Kolor-Pikker
Replies: 11
Views: 1,005
I should add that while the extra sensor tech is nice, it's by far not the primary reason for upgrading, mine was actually purely to get Live View - that 16x magnification is wonderful. However, it bacame apparent as I began to handle to camera that it really does handle like a big DSLR; everything is just fast and works, no waiting 3-5 seconds for the buffer to clear or preview the image, burst shooting is viable, low light is never a reason to put the camera back in the bag, etc. It's an all-round better system looking at nearly every aspect of it.
Forum: Pentax Medium Format 02-24-2017, 04:22 PM  
Post your medium format photos!
Posted By TheDocAUS
Replies: 13,133
Views: 2,167,883
Fitzroy Bluff, The Kimberley, Western Australia. 2 images stitched using a Hartblei 45mm TS lens.

Forum: Flashes, Lighting, and Studio 02-17-2017, 04:14 PM  
Contrast control using manual flashes - a pipedream?
Posted By mcgregni
Replies: 17
Views: 1,229
Well it would seem to be a great time to start buying shares in Sekonic or Weston, based on recent postings around here! Maybe I'll even get some myself, and it'll be farewell to fake manual for ever ...:eek:
Forum: Pentax Medium Format 01-23-2017, 03:13 PM  
Post your medium format photos!
Posted By KiddiKristjans
Replies: 13,133
Views: 2,167,883
From a recent outing in my backyard with the 645Z + FA 35/3.5:


Man vs. Nature by Kristján Unnar Kristjánsson, on Flickr
Forum: Pentax Medium Format 01-08-2017, 07:21 PM  
Post your medium format photos!
Posted By mikeSF
Replies: 13,133
Views: 2,167,883
wide open with the D FA35/3.5. Not bad.

Fern & Trunk
DFA35 & 645Z, single fame, single exposure
Forum: Pentax Medium Format 12-08-2016, 12:01 AM  
Post your medium format photos!
Posted By Thomasbrowphoto
Replies: 13,133
Views: 2,167,883
A few days ago we copped a pretty severe electrical storm here in Port Macquarie. I went down to the hastings river to watch this fast moving front pass above. I watched a wall of wind push up the river towards me which created 1-2 ft waves. My Tripod is a heavy medium format carrying set of legs with a bit of weight to stabilize the bulk of the Pentax 645Z. The wind lifted my camera set up on to two legs as the first gusts hit. I literally shot about 7 images before a giant lightning bolt flew down incredibly close to me. My ears rang and I got an instant headache from the sound of this strike. The first time I have felt seriously uncomfortable whilst shooting a storm. I threw my gear in the van and got out of there. It was a very unnerving experience but a totally beautiful and surreal one at that.


Pentax 645Z + FA45-85.
Instagram @thomasbrownphoto
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