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Forum: Pentax K-1 12-28-2017, 09:04 AM  
New K-1 disappointment
Posted By scopedude
Replies: 99
Views: 12,453
I know I might sound like a Pentax hater when talking about the shutter shock, but this problem could not even be more real. During my last fall trip to France and Germany, I lost too many shots due to the vibrations from 1/60 - 1/200. When I dug the past datas from my 5 other trips since May 2016, I found most of the shots taken with the 28-105 at those shutter speeds are blurred. What's interesting, the more recent the shots, the more noticeable the blurring.

So last month, together with the Pentax distributor I conducted controlled test using my K1, 28-105 and 24-70, with/wihout SR, all shots were done with LV and OV. Focal length tested were only 24 and 28mm. The result was, the shutter shock is real. All the LV shots were tack sharp, the OV shots were blurred. The pentax distributor agrees that this is a big issue, but as usual, they are waiting for what Pentax has to say.

I've been waiting since January (first time I reported this issue), and I don't enjoy taking shots at arm's length with my K1 so I sold it. I'm keeping the lenses though. Got some true keepers.

Now the A7Riii arrived (after battling between it and D850) and it will share some lenses with my 5DSr.

I think not all K1 users are unlucky, many seem perform well without any noticeable issue :)
Forum: Pentax K-1 11-22-2017, 01:52 AM  
Mirror Slap / Shutter Shock on K-1
Posted By scopedude
Replies: 24
Views: 4,535
Pentax distributor lent me a grip and a 24-70/2.8 today. I have tested them and my 28-105 repeatedly, using VF, LV, back to VF, LV and so on. I observed the RAWs and found out:

K-1. Grip, DFA 28-105, 1/125s, 28mm

The grip doesn't help. The sharpness difference is clearly noticeable among the LV shots and VF shots.

K-1 (no grip), DFA 24-70/2.8, 1/125s, 24mm

The shutter shock does affect this setup - to a lesser degree - but still I didn't miss how sharp the LV shots are. Micro contrast and edge sharpness are better with the LV shots.

I'll do some more test tomorrow, though I don't expect anything different but just to make sure before I report this to Pentax distributor. Maybe my unit is among the worst affected by the shutter shock, so if there is no response again from Pentax, I see no options other than selling the body...

Just my 0.02
Forum: Pentax K-1 05-18-2016, 01:06 AM  
K-1 camera porn
Posted By scopedude
Replies: 161
Views: 34,376
K-1 with Rikenon 50/1.7 Gold
Forum: Pentax K-1 05-16-2016, 06:43 AM  
Post your K-1 pictures!
Posted By scopedude
Replies: 30,830
Views: 2,800,958
I haven't shot many photos because the weather hasn't been very good but I took this today

Hazy Jakarta skyline - D-FA 28-105 @68mm f/8 iso100 1/250s
Forum: Pentax K-1 05-15-2016, 02:53 AM  
K-1 camera porn
Posted By scopedude
Replies: 161
Views: 34,376
Just got the K1 2 days ago; shown with some of the M42 glass and with Angelo Pelle strap :)
Forum: Pentax K-1 05-26-2016, 03:56 PM  
Best wide angle lens for K-1?
Posted By scopedude
Replies: 409
Views: 75,976
My experience with 24-70L II is that infinity and close focus could have different behavior - and I'm on the 5th sample currently. My Zeiss ZE 25/2 is the third unit (first unit was 30% of the frame being soft on the left side, this 3rd unit is 10% soft (left side too) which is "normal and expected" according to a Zeiss tech support in Germany. I remember that very same guy mocked Japanese lenses QC when giving presentations at Zeiss events). Those lenses didn't pass the infinity test which showed the flaws. The better brands for this kind of issue are Leica M and Sigma Art. With Sigma you could still get a decentered unit but the chance is much lower than Canon and Zeiss ZE/ZF in my experience.

So yeah, it kinda pisses me off the manufacturers sell high-end lenses but think they don't have any obligation to deliver good quality units.
Forum: Pentax K-01 05-04-2013, 07:08 PM  
Add your best K-01 photos here
Posted By scopedude
Replies: 3,705
Views: 696,424
Not exactly best photo, I brought my 'new' S-M-C Takumar 200/4 yesterday along with K-01 for a morning walk;

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