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Forum: Pentax Medium Format 3 Days Ago  
DxO finally published the 645z review....
Posted By mikeSF
Replies: 30
Views: 1,496
hmmm...ant eye climb ack tick
Forum: Pentax Medium Format 3 Days Ago  
645Z 25mm F4 DA AL (IF) AW- what a lens!
Posted By mikeSF
Replies: 9
Views: 1,022
very cool, thanks for sharing that
Forum: Welcomes and Introductions 4 Days Ago  
Former Canon guy here, now all in with Pentax
Posted By mikeSF
Replies: 21
Views: 553
Congrats and welcome!
Forum: Pentax Medium Format 4 Days Ago  
645Z 25mm F4 DA AL (IF) AW- what a lens!
Posted By mikeSF
Replies: 9
Views: 1,022
post a pic of the rig in here.
Also, for DIYers, I recall Hark Lee had posted his DIY solution for the 25/4 too, i believe in the lens reviews section.
Forum: Lens Clubs 6 Days Ago  
HD Pentax D FA 1:2.8 15-30mm ED SDM WR lens club!
Posted By mikeSF
Replies: 242
Views: 28,287
super nice!
Forum: Pentax Medium Format 11-14-2017, 04:04 AM  
645Z 25mm F4 DA AL (IF) AW- what a lens!
Posted By mikeSF
Replies: 9
Views: 1,022
I've got nothing constructive to add about the filter question since i don't use grads, but congrats on finding the 25mm! woo.
Forum: Pentax Medium Format 11-10-2017, 09:59 PM  
considering move to medium format
Posted By mikeSF
Replies: 14
Views: 583
for base ISO landscape and studio work, the 645D is a clear winner in IQ and color rendering due to the CCD sensor vs the K-1. But the trade off is if you need high ISO, the image gets noisy fast, ie by ISO1600 typically. For astrophotography, K-1 is a better bet for this reason alone but be aware the 645D has a mandatory dark frame subtraction for long exposures which cannot be overridden. This can really slow down a milky way workflow with the D.

Both cameras have their strengths but the K-1 is most versatile for a variety of subjects vs pure IQ for a specific application as offered by the 645D.

Have fun shopping.

---------- Post added 11-10-2017 at 09:02 PM ----------

just fwiw, here is my album of 645D shots: 645D | Flickr
I am currently using the 645Z but still remain a fan of the D at low ISO.
Forum: Lens Clubs 11-10-2017, 08:52 AM  
HD Pentax D FA 1:2.8 15-30mm ED SDM WR lens club!
Posted By mikeSF
Replies: 242
Views: 28,287
On The Waterfront
K3II & DFA 15-30 at 15mm
Forum: Lens Sample Photo Archive 11-08-2017, 05:54 PM  
Pentax DA 21mm f/3.2 AL Limited samples
Posted By mikeSF
Replies: 210
Views: 54,769
something new from Saturday in New York:

Manhattan Sunrise
K3II & DA21
Forum: Troubleshooting and Beginner Help 10-31-2017, 09:42 AM  
fine adjust focus
Posted By mikeSF
Replies: 3
Views: 494
Smart.
I had found a tight mesh fence that I could use simarly, with excellent results.
Forum: Contest Voting 10-14-2017, 07:43 PM  
Phone Home
Posted By mikeSF
Replies: 59
Views: 653
Phone Home


The Milky Way passes over the Owens Valley Radio Observatory near Big Pine, California. This 130ft dish is the largest of several radio telescopes onsite, and is presently used to listen for signs of extraterrestrial communications...I mean, study the sun's magnetic field.
Forum: Pentax SLR Lens Discussion 10-12-2017, 01:04 PM  
Sharp tele zoom
Posted By mikeSF
Replies: 11
Views: 774
You know about the D FA HD 150-450/4 right?
Forum: Pentax Medium Format 10-05-2017, 08:20 AM  
K-1 or 645D? I did it (not the sensible choice)
Posted By mikeSF
Replies: 24
Views: 1,906
great narrative of your thought process leading to your decision. For my purposes (landscape, studio, portrait), I would definitely opt for 645D over K-1 for the large CCD sensor. Having used both, the CCD (if you do not require high ISO) is superior in rendering to much less expensive(but efficient) CMOS.
However, once you get above ISO 800 on the CCD, it starts falling apart whereas the CMOS typically hold up past ISO 6000 IMO.

Congrats and welcome to the MF-ers Club!
Forum: Pentax SLR Lens Discussion 10-04-2017, 10:11 PM  
New DFA 15-30: soft edge?
Posted By mikeSF
Replies: 12
Views: 687
that looks problematic. send it back?
Forum: Lens Clubs 10-04-2017, 04:05 PM  
HD Pentax D FA 1:2.8 15-30mm ED SDM WR lens club!
Posted By mikeSF
Replies: 242
Views: 28,287
from last night

Primordial Shore
K3II & DFA15-30
Forum: Pentax SLR Lens Discussion 09-28-2017, 01:05 AM  
The poor old much maligned Takumar Bayonet group.
Posted By mikeSF
Replies: 16
Views: 802
shhhh, if this gets out, the resale value on the Bayonets is gonna go through the roof...

lol
nice work!
Forum: Pentax K-1 09-24-2017, 11:49 AM  
Learning all over again - wide angle
Posted By mikeSF
Replies: 22
Views: 1,421
and that, folks, is how it's done!
Forum: Pentax DSLR Discussion 09-23-2017, 08:56 AM  
Astrotracer question
Posted By mikeSF
Replies: 3
Views: 446
like adam said, the usual technique for combining fg and bg objects is to shoot one frame with astrotracer then one with it turned off and blend.

have fun!
Forum: Welcomes and Introductions 09-23-2017, 08:54 AM  
Ditched the Canon, bought a Pentax.
Posted By mikeSF
Replies: 23
Views: 1,055
welcome!
Forum: Pentax K-1 09-23-2017, 08:53 AM  
Learning all over again - wide angle
Posted By mikeSF
Replies: 22
Views: 1,421
i always say in my workshops, if you go TOO wide, you'll make a molehill out of a mountain. Use sparingly.
Similar with night sky shooting. A greater FOV captures more stars but they lose detail and become much less pronounced in the composition.
Forum: Weekly Photo Challenges 09-19-2017, 08:07 AM  
Weekly Challenge Weekly Challenge #400- Abstracts with Water
Posted By mikeSF
Replies: 36
Views: 2,320
i've got a few of these to share, pretty old stuff(ca 2010), but when I was learning photography, I liked to find subject matter in the backyard and gravitated to shooting from within the swimming pool. Here are a few that utilize short tele focal length, shallow DOF, and hanging colorful towels or pool toys on a lounge chair to render the colorful reflections in the water.

Liquid Diet

Tiny Bubbles

Water Abstract

all shot using old Takumar glass (S-M-C105 or 200)
Forum: Lens Clubs 09-18-2017, 12:20 PM  
The FA Limited Club
Posted By mikeSF
Replies: 9,703
Views: 1,482,093
here's a single row pano using the FA77
(please click the image to view it larger)

Chicago
K3II & FA77
Forum: Pentax Medium Format 09-18-2017, 12:15 PM  
Post your medium format photos!
Posted By mikeSF
Replies: 11,129
Views: 1,804,064
more from Mono Lake

Alien Landscape
645Z & DFA 35/3.5

---------- Post added 09-18-2017 at 12:16 PM ----------

Forum: Pentax Medium Format 09-17-2017, 08:48 AM  
Post your medium format photos!
Posted By mikeSF
Replies: 11,129
Views: 1,804,064
from early yesterday morning at Mono Lake
Castles Made Of Sand
645Z & DFA 25/4
Forum: Pentax Full Frame 09-13-2017, 08:39 PM  
Advice on potentially switching from Canon to Pentax
Posted By mikeSF
Replies: 74
Views: 3,030
Welcome motorhead9999.

You'll find we are in general a little pleased with our brand these days and for your landscape and astro, you really would be hard pressed to find a better performer than the K-1 paired with OEM and 3rd party glass choices. All of my fellow landscapers are nikon or canon shooters and sometimes i feel sorry for them missing out on some of our innovative features and quality. I'm not gonna let on of course, lol.

In general, where Pentax tends to trail slightly behind the competition is video, fast AF tracking, and flash sync speed; none of those metrics pertain to landscape and astrophotography, luckily. Besides that, the overall image quality including pixel shift functionality, weather and rugged build, astrotracer, tilt screens, sensor shifting(for shift lens effect), compatibility with ancient glass, and price point, all score a win in favor of Pentax.

Good luck shopping and feel free to ask plenty of questions!

---------- Post added 09-13-2017 at 08:44 PM ----------



I primarily use the 645Z for my landscape work and the APS-C K3II for wildlife, sports, event, long tele. I find it very capable and up until recently was using it exclusively for my astro work, until I actually tried the 645Z and find it able to hold it's own, despite the absence of GPS/astrotracing nor a fast wide glass option.
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