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Forum: Troubleshooting and Beginner Help 09-16-2019, 09:21 AM  
DA lens aperture setting on other system adapter
Posted By ntrao
Replies: 5
Views: 777
Thanks everyone for your responses. Last one looks promising. I am thinking about something DIY kind of aperture holder, needs some guts as it may damage the sensor of the camera, if it fails.
Forum: Troubleshooting and Beginner Help 09-03-2019, 10:18 AM  
DA lens aperture setting on other system adapter
Posted By ntrao
Replies: 5
Views: 777
Hi Pentaxians,

I want to use my DA15 with Fujifilm camera with help of an adapter. It is always open with minimum F22 stop and there is nothing that I can do to control it. Is there any way, I can keep the DA15 to be open at F8 always when on the adapter? Or are there any special adapter for that purpose? Please help!

---------- Post added 09-03-2019 at 10:58 PM ----------

Google search helped me in finding below adapter, which looks expensive. Does anyone used it?

Vello Pentax K Lens to Fujifilm X-Mount Camera Lens LA-FX-PK-A
Forum: Pentax SLR Lens Discussion 06-20-2019, 07:05 AM  
The Bokeh Club
Posted By ntrao
Replies: 20,092
Views: 1,774,942
Love those yummy burgers..
Forum: Pentax SLR Lens Discussion 12-20-2018, 10:38 PM  
DFA 28-105 infrared hotspot
Posted By ntrao
Replies: 3
Views: 1,063
Hi IR shooters,

Does anyone tried DFA 28-105mm lens for IR? Did you find any hotspot for the lens. Can someone give some feedback about the lens. Thanks!

-Tirumala
Forum: Pentax SLR Lens Discussion 10-27-2018, 06:36 AM  
The Bokeh Club
Posted By ntrao
Replies: 20,092
Views: 1,774,942
Lovely pics..
Forum: Pentax K-1 10-21-2018, 11:03 PM  
K-1 aperture block??
Posted By ntrao
Replies: 30
Views: 3,072
After starting the thread and till today, I had the issue twice.. first shot black. I removed the lens from camera and mount cap fixed, kept it aside for few days. Yesterday, I took my camera out and attached Sigma 150-500 for birding and the first shot is blank. Earlier, I tried only pentax lenses, but this a sigma lens. I bought it second hand, and it looks it is an early first/second batch camera. I didn't checked with any Pentax Service guys, but if I had this issue another few times, will give it a try.
Forum: Pentax K-1 10-04-2018, 10:30 PM  
K-1 aperture block??
Posted By ntrao
Replies: 30
Views: 3,072
I have completely black image, as attached below in first link. 2nd link is something which I got a pic immediately after with same settings.



One strange observation is, after the first click, I see the LCD and it is pretty dark and camera is in writing mode, thought it is taking time. But, after 2-3 seconds, I heard the mirror flap (or coming back to original position), but the shutter is set at 1/80 @f4. So immediately I took another pic and it fine as shown in 2nd pic. Both pictures are jpeg and just out of camera.

https://drive.google.com/open?id=1xrS4k8ZY_lh_q1JUV0z8LYDYFJRBTisp

https://drive.google.com/open?id=1f9sZQioCSmRoER1p_udeJlfSUXtPtqDV
Forum: Pentax K-1 10-04-2018, 09:58 AM  
K-1 aperture block??
Posted By ntrao
Replies: 30
Views: 3,072
Does anyone heard of K-1 aperture block issues? I took my K1 for shooting after a 2 weeks of rest. My first click with the 28-105 is completely black.
I shot a pic indoors at 1/80, ISO3200. From 2nd pics onward, it is absolutely fine. I observed the same sometime back, but didn't mind it much. But, this time, I am very concerned. Does anyone had similar issue with their K1s? Please help!
Forum: Lens Sample Photo Archive 08-22-2018, 10:44 AM  
Pentax DA 12-24 f/4 AL ED IF Samples
Posted By ntrao
Replies: 135
Views: 46,584
Thanks for the compliments!
Forum: Lens Sample Photo Archive 08-22-2018, 12:59 AM  
Pentax DA 12-24 f/4 AL ED IF Samples
Posted By ntrao
Replies: 135
Views: 46,584
Pentax K1, DA12-24 @18mm

IMGP2955 by Tirumala Nalla, on Flickr
Forum: Pentax SLR Lens Discussion 08-08-2018, 01:07 AM  
The Bokeh Club
Posted By ntrao
Replies: 20,092
Views: 1,774,942
Wow! you already got one into hands??
Forum: General Photography 07-31-2018, 05:09 AM  
The mortal danger of selfies
Posted By ntrao
Replies: 57
Views: 2,943
Not surprised, India tops the list. There are many places in our country where selfies are banned. Went on a photography trek last weekend, at one of the highest scenic points, saw a group of teens (below 16) taking a selfie, where one boy is sitting on a iron fence while two are standing taking selfie. And you know, that is called suicide point on the hills. if that weak iron fence gives up, it is literally a free fall of over 150 metres to ground. Last, but not the least, it is raining at that time..
Forum: Pentax SLR Lens Discussion 07-10-2018, 02:49 AM  
M 20 f4; prices? Alternatives?
Posted By ntrao
Replies: 56
Views: 2,953
Last year I bought a M20 in excellent condition for $130, may be I am lucky. And it is a wonderful lens on K-1. Looking for more wide lens, but unfortunately nothing available in pentax for a decent price. So thinking of Samyang 14mm or 16mm. But, those cannot beat M20.
Forum: Pentax SLR Lens Discussion 07-08-2018, 10:33 PM  
The Bokeh Club
Posted By ntrao
Replies: 20,092
Views: 1,774,942
K-1, SMC Tak50mm (8-elements)

Hibiscus by Tirumala Nalla, on Flickr

---------- Post added 07-09-2018 at 11:10 AM ----------



Is it 1.9 or 2.9? I didn't find any info about 1.9 lens.
Great bokeh and looks sharp too.
Forum: Pentax SLR Lens Discussion 07-02-2018, 12:03 AM  
The Bokeh Club
Posted By ntrao
Replies: 20,092
Views: 1,774,942
Superb color rendition. And sharpness.
Forum: Troubleshooting and Beginner Help 07-01-2018, 08:24 PM  
K-01 multiple custom white balance setting, any?
Posted By ntrao
Replies: 5
Views: 539
Yes, I thought so, but wanted to check, if people have any other ways of saving it. Thanks!

I haven't saved any profile, but will give it a try. All I am doing is opening software and pick a WB point. But many times, it is difficult to get the required effect, as the picture may not have the required value of WB. Seems saving profile is a good option
Forum: Troubleshooting and Beginner Help 07-01-2018, 11:15 AM  
K-01 multiple custom white balance setting, any?
Posted By ntrao
Replies: 5
Views: 539
Hi Pentaxians,

Is there any way, we can save multiple custom white balances in K-01? I can see only one custom white balance save option. So, looking for any tricky solution or something to do so. I cannot see any image saving option with another custom white balance from which I can read the WB later.
My purpose is, I recently converted K-01 to full spectrum and I would like to save two white balances, one with 18% grey and another with grass/foliage for my IR work. Thanks!
Forum: Pentax Forums Giveaways 06-30-2018, 04:07 AM  
A K-1 will be given away tomorrow, June 30th!
Posted By ntrao
Replies: 833
Views: 34,004
Good luck every one!
Forum: Pentax SLR Lens Discussion 06-17-2018, 12:36 AM  
Pentax M 20mm F4 - hood suggestion
Posted By ntrao
Replies: 22
Views: 1,739
Sure will give it a try, I did searched for only one wide angle lens and lot of results came up in ebay. This one even got a cap

49mm Wide Angle Metal Wide-angle Lens Hood for Canon Nikon Camera+free 72mm Cap 6971287082840 | eBay
Forum: Pentax SLR Lens Discussion 06-16-2018, 06:53 AM  
Pentax M 20mm F4 - hood suggestion
Posted By ntrao
Replies: 22
Views: 1,739
oh, it's no good. You certainly saved my few bucks. I have few combinations of metals lens step-up rings with 49, 55, 58, 60, 67mm. I will give a try tomorrow.


It looks like an expensive option.
Forum: Pentax SLR Lens Discussion 06-16-2018, 05:31 AM  
The Bokeh Club
Posted By ntrao
Replies: 20,092
Views: 1,774,942
AUTO MAMIYA/SEKOR 55mm f1.4

[IMG]Bokeh Test by Tirumala Nalla, on Flickr[/IMG]
Forum: Pentax SLR Lens Discussion 06-16-2018, 05:20 AM  
Pentax M 20mm F4 - hood suggestion
Posted By ntrao
Replies: 22
Views: 1,739
I've 49-55 and 55-58, I should give a try then.


I just acquired K1 and using M20 with a vented lens hood is giving problem.


Yes, but I cannot use my hand as this is a manual lens and it requires my other hand to adjust focus, mostly.. And yes, rubber collapsible hood is in my mind as a last option, if step-up rings solution doesn't work.
Forum: Pentax SLR Lens Discussion 06-15-2018, 11:32 PM  
Pentax M 20mm F4 - hood suggestion
Posted By ntrao
Replies: 22
Views: 1,739
Hi Pentaxians,

Few months back, I acquired a M20mm f4 lens in very good condition without a lens hood. I ordered one metallic 49mm lens hood and it is vignetting very bad, literally not usable images with round circles. Then I understand, this lens require a wide angle hood and may be a square hood. Little search on the internet pointed me expensive $30 hoods, which I am not interested in buying. Is there any cheap alternate hood suggestions for the 20mm lens. Please help!
Forum: Pentax DSLR Discussion 06-04-2018, 11:41 PM  
K-1 upgrade replaces sensor too?
Posted By ntrao
Replies: 6
Views: 1,063
Hi,
I searched a bit to understand it, but I couldn't as always it said 'main circuit board will be replaced'. Does the sensor is also part of the main circuit board, or just connector below the sensor will be replaced? Anybody has done it so far?
Forum: Pentax K-1 05-31-2018, 08:06 AM  
Cosplayer Portraits in 85mm/1.4 on K-1
Posted By ntrao
Replies: 14
Views: 1,408
Love this series.. colorful and lens seems a gem on K1
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