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Forum: Pentax K-1 05-27-2016, 10:30 PM  
Ricoh just released K-1 firmware upgrade. v1.10
Posted By yipchunyu
Replies: 21
Views: 3,360
It's in Chinese but for your interest pls read below
http://forum.xitek.com/thread-1571868-1-1-2.html
Forum: Pentax K-1 05-27-2016, 08:03 PM  
Ricoh just released K-1 firmware upgrade. v1.10
Posted By yipchunyu
Replies: 21
Views: 3,360
I read someone said one of the bug is related to spot metering and focus
Forum: Pentax SLR Lens Discussion 05-25-2016, 06:28 AM  
sdm-screwdrive, Pentax k5, 50-135mm help please
Posted By yipchunyu
Replies: 11
Views: 1,943
anyone tried the * lens with screw drive autofocus? Really fast now?
Forum: Pentax K-1 05-18-2016, 10:04 PM  
Ricoh just released K-1 firmware upgrade. v1.10
Posted By yipchunyu
Replies: 21
Views: 3,360
Better to include extra crop ratio next time
Forum: Pentax K-1 05-09-2016, 05:52 PM  
FF mode - DA15 - crop factors & crop sizes
Posted By yipchunyu
Replies: 21
Views: 3,668
Thx. Saw the images now
The image size will be smaller than the one from k3ii, right?
Forum: Pentax K-1 05-09-2016, 05:09 PM  
FF mode - DA15 - crop factors & crop sizes
Posted By yipchunyu
Replies: 21
Views: 3,668
Should we expected to see some images on your post?
Forum: Pentax K-1 05-09-2016, 01:57 AM  
FF mode - DA15 - crop factors & crop sizes
Posted By yipchunyu
Replies: 21
Views: 3,668
any samples to share? Just hope Ricoh add these crop modes in coming firmware

BTW, full size image should be 7360 X 4912?
Forum: Pentax K-01 04-07-2012, 09:38 AM  
focus peaking
Posted By yipchunyu
Replies: 3
Views: 2,473
really thx. I think it's a big plus to allow FP with quick shift. :p
Forum: Pentax K-01 04-07-2012, 05:52 AM  
focus peaking
Posted By yipchunyu
Replies: 3
Views: 2,473
I saw a post in dpreview talking about the focus peaking feature. Just want to know whether it works in manual focus mode only? Or in work the same in auto-focus mode + quick shift?
Forum: Pentax K-01 03-14-2012, 07:10 AM  
Sticky: Pentax K-01 Review Posted
Posted By yipchunyu
Replies: 88
Views: 84,312
still don't sure how the LV works. If I use some build in filter (e.g. watercolor), will the LV show the effect directly? or it will apply it after I click the shutter? How about the DOF? Will it show directly in the screen before I take the picture?
Forum: Pentax K-01 02-18-2012, 09:06 AM  
K-01 use the same CMOS of X-PRO 1?
Posted By yipchunyu
Replies: 5
Views: 2,758
More info for reference

1. X-Trans CMOS
2. cmos image for K-01 from Pentax web site

But I guess something wrong with the first pic. may be they place the cmos on wrong side. since it's different from the one showing in FUJI film web site
Forum: Pentax K-01 02-18-2012, 08:57 AM  
K-01 use the same CMOS of X-PRO 1?
Posted By yipchunyu
Replies: 5
Views: 2,758
Just read from a Chinese forum. Someone said the pentax K-01 may use the same CMOS of X-PRO1. Anyone can check it and confirm it? So surprise if true
Forum: Pentax News and Rumors 02-09-2012, 10:25 AM  
More photos from CP+
Posted By yipchunyu
Replies: 174
Views: 29,939
and 560mm 5.6 quite sth related or based or idea of 400mm 4 + 1.4x.
Do pentax has a patent with a built in extender like the one in canon lens? (200mm~400mm)
Forum: Pentax News and Rumors 02-09-2012, 10:05 AM  
More photos from CP+
Posted By yipchunyu
Replies: 174
Views: 29,939
I know nothing about len design. but is it possible:

1. optics used in astronomical telescopes allow pentax to deliver a affordable but good quality long telephoto lens
2. but pentax needs to solve the problem of an extremely long tube issue
3. and they solved it will a new idea (to make it as a foldable len)
4. and the texts hidden in the lens' info is not related to * or wr but a new description for this foldable len (that's why they hide it now)?
Forum: Pentax News and Rumors 02-09-2012, 09:47 AM  
More photos from CP+
Posted By yipchunyu
Replies: 174
Views: 29,939
first the new xs lens and then this one. Pentax's lens are so interesting IMO
Forum: Pentax Q 02-08-2012, 03:46 AM  
Pentax announces Q Silver
Posted By yipchunyu
Replies: 26
Views: 3,515
The flash seems different
Forum: Pentax SLR Lens Discussion 02-07-2012, 07:28 PM  
DA 50mm, DA 560mm, D-FA 645 90mm to be revealed at CP+
Posted By yipchunyu
Replies: 56
Views: 11,155
Do u think the new Len for K01 can work with the qk mount adapter?
Forum: Pentax K-01 02-07-2012, 07:09 PM  
Lens design for K-01
Posted By yipchunyu
Replies: 42
Views: 4,160
Just checked the new lens announcement and they really go for this direction. Great

http://www.pentax.jp/english/news/announce/info-image/20120208_6.jpg
Forum: Pentax K-01 02-02-2012, 10:53 AM  
Lens design for K-01
Posted By yipchunyu
Replies: 42
Views: 4,160
I heard that the DA 40mm F2.8 XS also work on K01 only. Is it true?
Forum: Pentax K-01 02-02-2012, 08:43 AM  
Lens design for K-01
Posted By yipchunyu
Replies: 42
Views: 4,160
I know that K-01 has the same flange focal distance (k-mount). However, since it doesn't has the mirror inside the camera. Can pentax make use of the space and make the future lens much smaller (as if part of the lens tube sit inside the camera)?
Forum: Pentax Q 09-05-2011, 06:28 AM  
Pentax Q - K-mount adapter !
Posted By yipchunyu
Replies: 98
Views: 30,814
how about we mount it with a marco len like DA 35 2.8?
Forum: Pentax SLR Lens Discussion 11-29-2010, 10:33 PM  
DA 18-135mm Full-Length REVIEW
Posted By yipchunyu
Replies: 78
Views: 14,331
What exactly is the dc motor? It's not sonic motor? It's not a ring sonic motor? It's only available in Pentax brand?
Forum: Digital Processing, Software, and Printing 11-22-2010, 07:26 AM  
Color mode and file format for raw files?
Posted By yipchunyu
Replies: 7
Views: 2,838
I already calibrated my monitor (a Macbook color with a color vision spyder 2. My problem is that I prefer the color of pentax's vibrant mode but can't reproduce it with other software. Any tips on this?
Forum: Digital Processing, Software, and Printing 11-22-2010, 02:15 AM  
Color mode and file format for raw files?
Posted By yipchunyu
Replies: 7
Views: 2,838
The problem is that the PDCU is limited in function
Forum: Digital Processing, Software, and Printing 11-21-2010, 10:27 PM  
Color mode and file format for raw files?
Posted By yipchunyu
Replies: 7
Views: 2,838
I get some questions on the preprocessing of pentax DSLR. I am really appreciated as if you can share your ideas with me.
1. Color modes
- color form Pentax is one major point for me to choose the brand. However, I found that I can only keep the color if I use the PDCU but not the other tools e.g. Lightroom, Capture One. how to solve this?
2. DNG / PEF
- what's the point to use PEF if DNG supported by most software?
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