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Forum: Pentax K-1 & K-1 II 3 Hours Ago  
Most used lens for Landscapes?
Posted By mikeSF
Replies: 32
Views: 1,099
mixed reviews of the 31? it is one of the best Pentax lenses ever produced. Not lacking in sharpness at all and would outperform 28-105 in sharpness.
good luck

here are my FA31 shots:
https://www.flickr.com/photos/mikeoria/albums/72157629063825729
Forum: Pentax Medium Format 5 Days Ago  
Post your medium format photos!
Posted By mikeSF
Replies: 18,836
Views: 2,974,079
sure, hope this helps!
Processing Workflow: This is a single frame, 17 x 8-sec exposures, combined in photoshop as a median blend to achieve noise reduction.

Additionally, because the actual view was nearly totally black to the naked eye, the overall exposure of the image has been increased significantly. In order to better view dust lanes and nebulosity of the galactic core, stars were lightly de-emphasized using StarXTerminator, free shareware.
Forum: Pentax Medium Format 09-19-2022, 09:53 PM  
Post your medium format photos!
Posted By mikeSF
Replies: 18,836
Views: 2,974,079
geez, a nice one!

---------- Post added 09-19-22 at 09:54 PM ----------


Milky Way detail


645Z & DFA 55, 17 stacked exposures.
Forum: Pentax Medium Format 09-17-2022, 02:16 PM  
Post your medium format photos!
Posted By mikeSF
Replies: 18,836
Views: 2,974,079
finally processing some milky way images from prior years, this one from 2020.
Tioga Lake

645Z & DFA 55, pano, stack
Forum: Pentax Medium Format 09-16-2022, 09:33 AM  
Post your medium format photos!
Posted By mikeSF
Replies: 18,836
Views: 2,974,079
i feel like i should have some accompanying Flash animation for that, lol
Forum: Pentax Medium Format 09-15-2022, 08:43 AM  
Post your medium format photos!
Posted By mikeSF
Replies: 18,836
Views: 2,974,079
when rainwater suddenly hit hot volcanic ash, the resulting steam was forced straight up, leaving behind evenly spaced vertical channels in the firm ash. Over millennia, the area was submerged and hard minerals filled those channels. At some point, the region became desert and was buried in sand.

Recently, the creation of a dammed reservoir has brought wave action to the feature, eroding away the soft ash to reveal the hardened mineral columns. As such, it is going to keep getting better over time.
Forum: Pentax Medium Format 09-14-2022, 07:48 PM  
Post your medium format photos!
Posted By mikeSF
Replies: 18,836
Views: 2,974,079
Crowley Lake Bake

single frame, single exposure, DFA35 on 645Z
Forum: Pentax Medium Format 09-13-2022, 06:48 PM  
Pentax 67 with Stacked Converters vs 400mm with 1.4X/2X
Posted By mikeSF
Replies: 16
Views: 828
I also tested that and there was a slight difference, but now I cannot recall. I will pull out my notes.
I believe i have been mounting the 1.4x to the lens and the 2x to the 1.4 most often, based on that info, but i will verify.

---------- Post added 09-13-22 at 06:50 PM ----------



ha, i believed it too until i started watching these wildlife shooters with multiple TCs delivering cracking bird images.

---------- Post added 09-13-22 at 06:50 PM ----------



aw shuck, thanks, friend. when you come out, i can get you up there.
Forum: General Photography 09-13-2022, 10:36 AM  
Any tips for setting up a website to sell photos?
Posted By mikeSF
Replies: 13
Views: 495
i noted that FREE is the priority here, but if your pics are good enough to sell, using a turnkey (paid) service such as zenfolio, smugmug, etc may easily pay for itself in the additional amount of curb appeal those designer templates offer. I went that route and sell fairly regularly through their self fulfilment process; i do almost nothing now and get paid for my orders. just a thought.
good luck
Forum: Pentax Medium Format 09-12-2022, 11:54 AM  
Pentax 67 with Stacked Converters vs 400mm with 1.4X/2X
Posted By mikeSF
Replies: 16
Views: 828
Here is the 67 M*300/4 with 1.4x AND a 2.0x TC, adapted to the 645Z.
Shangri-La Revealed
Forum: Pentax Medium Format 09-12-2022, 08:15 AM  
Post your medium format photos!
Posted By mikeSF
Replies: 18,836
Views: 2,974,079
Finally processing a pano from 2019 when Ed Hurst was visiting SF. This was an early morning hike in the Marin hills.

Angel Island
6 frame pano with FA150/2,8 on 645Z
Forum: Welcomes and Introductions 09-11-2022, 10:51 PM  
Hello from California
Posted By mikeSF
Replies: 8
Views: 222
Welcome neighbor!
Forum: Pentax Medium Format 09-10-2022, 09:01 AM  
Pentax 67 with Stacked Converters vs 400mm with 1.4X/2X
Posted By mikeSF
Replies: 16
Views: 828
I've not used a 67 body, however I've done a full set of comparisons of cropping versus stacking TCs, with my own gear(645Z and 67/645 glass), and have been able to draw definitive conclusions from that data.

With my rig, in every case, stacking glass is always preferable to cropping away pixels. Period.

The 67 M*300/4 is a wonderful candidate for adding one or two rear converters (1.4x & 2.0x), with very impressive results.

I've also added same teleconverters to the 645 A* 600/5.6 with great results.

On my crop rig, the DA* 150-450 also excels when magnified by TC, versus discarding pixels.

Fwiw, Good luck.
Forum: Pentax Medium Format 09-02-2022, 09:45 AM  
Post your medium format photos!
Posted By mikeSF
Replies: 18,836
Views: 2,974,079
those deep tones of the sky gradient are marvelous. nice

---------- Post added 09-02-22 at 09:46 AM ----------



a cracking set of visually appealing scenes, expertly captured, Ed.
Forum: Pentax Medium Format 08-26-2022, 09:32 PM  
Need to use a Better Profile for 645Z. Using Lightroom Classic
Posted By mikeSF
Replies: 15
Views: 820
This is exactly what I thought you were saying in the first place. All good. Carry on.
Forum: Pentax Medium Format 08-26-2022, 11:17 AM  
Need to use a Better Profile for 645Z. Using Lightroom Classic
Posted By mikeSF
Replies: 15
Views: 820
color profiles?

---------- Post added 08-26-22 at 11:19 AM ----------



I don't see any specific to the 645Z. Which profile(s) are you using and how do they work for you?

---------- Post added 08-26-22 at 11:27 AM ----------



Ideally, you want your processing software(ie LR) to interpret your RAW color information in a way that reflects the specific color performance of your camera's sensor. Adobe does not offer any profiles for the 645Z and the general ones are just too far off, IMO. These 3rd party companies have profiled a 645Z to a calibrated color chart to provide a set of "offsets".

---------- Post added 08-26-22 at 11:32 AM ----------



OP is not talking about processing presets, but rather calibration files to get the best color performance between camera sensor and the software. Kinda like how we calibrate our monitor colors to match embedded image colors.
Forum: Pentax Medium Format 08-21-2022, 09:38 AM  
Need to use a Better Profile for 645Z. Using Lightroom Classic
Posted By mikeSF
Replies: 15
Views: 820
I've used Huelight profiles for all my bodies. No complaints at all.
Making your own is best as TDvN57 suggested, but if you don't trust your technique, try the Huelights...i gues they changed the name:
Pentax Camera Profiles
Forum: Welcomes and Introductions 08-11-2022, 02:00 PM  
It's me Holger from Cologne, Germany
Posted By mikeSF
Replies: 14
Views: 487
welcome!!
Forum: Monthly Photo Contests 08-07-2022, 10:28 AM  
Into Mordor
Posted By mikeSF
Replies: 39
Views: 273
Fiery sky over Mt. Diablo in Contra Costa County, CA



Into Mordor
Forum: Pentax Medium Format 06-08-2022, 08:11 AM  
A* 645 600/5.6 Star Shots?
Posted By mikeSF
Replies: 9
Views: 791
thanks. just a regular non-tracked shot with fast shutter (1/160th), probably stopped down one click to to 6.7 because wide open is weak
Forum: Pentax Medium Format 05-26-2022, 04:05 PM  
Post your medium format photos!
Posted By mikeSF
Replies: 18,836
Views: 2,974,079
gorgeous work!
Forum: Pentax Medium Format 05-26-2022, 11:28 AM  
A* 645 600/5.6 Star Shots?
Posted By mikeSF
Replies: 9
Views: 791
i don't shoot stars with it, but i use the lens for sun and moon shots. here's one with the lens plus 1.5x TC


Crescent


click the image and view it in flickr for better results
Forum: Pentax Medium Format 05-17-2022, 12:31 AM  
Post your medium format photos!
Posted By mikeSF
Replies: 18,836
Views: 2,974,079
love that sun dipping behind the castle!
Forum: Pentax Medium Format 05-16-2022, 10:06 AM  
Post your medium format photos!
Posted By mikeSF
Replies: 18,836
Views: 2,974,079
gorgeous captures!

---------- Post added 05-16-22 at 10:08 AM ----------



A thrilling set, Ed. I never tire of your twilight and night work!
Forum: Pentax Medium Format 05-16-2022, 08:26 AM  
Post your medium format photos!
Posted By mikeSF
Replies: 18,836
Views: 2,974,079
from last night at the USS Hornet. Composite using 645 A*600 + 1.4x TC on the Z

Hornet & Moon
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