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Forum: Photo Critique 10-09-2020, 10:30 AM  
Nature Please provide your feedback !
Posted By rajchat
Replies: 5
Views: 925
Yes late afternoon

---------- Post added 10-09-20 at 10:30 AM ----------


Sorry, I did not understand the question. Too new here :)

---------- Post added 10-09-20 at 10:40 AM ----------


Oh I see it - Abstract as the category. I will change it, did not notice it before
Forum: Photo Critique 10-09-2020, 08:56 AM  
Nature Please provide your feedback !
Posted By rajchat
Replies: 5
Views: 925
Taken during bike ride using Pentax Q S-1.

The flower photo was taken at Chicago Botanic Garden using Pentaz K-3 II
Forum: Monthly Photo Contests 10-05-2012, 09:02 AM  
Playful
Posted By rajchat
Replies: 0
Views: 577
This is more fun than watching cartoon !
Forum: Post Your Photos! 12-29-2011, 08:12 AM  
Nature Bird Cage
Posted By rajchat
Replies: 2
Views: 777
Thanks Adam -- appreciate your feedback and agree on both points.
Forum: Post Your Photos! 12-29-2011, 08:10 AM  
Black & White Cool Cat
Posted By rajchat
Replies: 5
Views: 2,205
Thanks a lot everyone
Forum: Post Your Photos! 12-26-2011, 12:32 PM  
Black & White Cool Cat
Posted By rajchat
Replies: 5
Views: 2,205
Not my cat but very cool
Forum: Post Your Photos! 12-26-2011, 12:31 PM  
Nature Bird Cage
Posted By rajchat
Replies: 2
Views: 777
This is my first attempt to post a photo here. The photo was taken yesterday at Chicago Brookfield zoo, where at Children's zoo I saw this bird cage with a very large lock on it. It was a very bright day outside, so I attempted to capture the harshness of the situation with the silhouette of the bird against the blue sky and trees. I wanted to capture at least one bird flying in the cage but could not time it after several attempts.

Please provide your opinion.
Forum: Sold Items 03-13-2011, 08:30 PM  
For Sale - Sold: Sigma 17-70mm f2.8-4.5 (US)
Posted By rajchat
Replies: 1
Views: 2,388
Thanks.
Forum: Troubleshooting and Beginner Help 09-25-2010, 09:17 AM  
Very confused about exposure
Posted By rajchat
Replies: 16
Views: 3,780
Folks,

Thank you so much for all the responses.

I think I am getting better, and right off the bat, I now agree that f/1.7 is usually not needed, sure outside. As a corollary question, so where does one use 1.7 or even more prized 1.4 ? Indoors ?

Now, I also discovered, that when using a M type lens (non-A series), there is on extra step needed for K-X. That is, on the menu, we need to program the Green button on Action in M mode to TvShift. The default is program-line, which does screw up things, IMHO.

See official Pentax guide here: http://support.pentaximaging.com/documents/908
Forum: Troubleshooting and Beginner Help 09-24-2010, 12:01 PM  
Very confused about exposure
Posted By rajchat
Replies: 16
Views: 3,780
I am totally new to SLR, trying hard to learn. I have a k-x and these are some of the confusion I am having with exposure and metering

1) I have a manual focus non-A type lens (Phenix 50mm f1.7 to be exact). I followed the instruction here and managed to set it up and I can take pictures with it -- no problem there. Now, if I use M-mode (which is kind of only choice)

a) On a very sunnay day here in Chicago, outside in the Sun I went ahead to take close-up (less that 2 feet) on my flower to test the DOF. I had the lens set up at f1.7. When I pointed to blue sky and pressed the green button, I got a shutter speed of 0.3 sec !!! Can not be right, right ? Sure enough, the photos get burned when at 1/500. So is wrong ? From the book I read, aren't we supposed to get meter reading from blue sky above ?
To make matter much more confusion, if I select f22, I get the same shutter speed, although I can "see" that the lens is being stopped when I pressed the green button.

b) If I get reading off the flower, I get much faster reading, I think 1/3200 or something like that. But even at that, photos are over exposed. In fact, I did not get any decent picture even at the highest speed.
Does this is f1.7 is too much for Sunny day ?

2) Now, when I use the kit lens, I have another different confusion. If I use aperture priority under lower light (basement with overhead halogen type flood light), when I press the shutter halfway, the camera sets the shutter speed (as expected), and I get a reasonable photo. But when I use M mode, which exact same Aperture and shutter speed, under same condition, I get blinking EV warning (> 3.0).
Why is that ? Am I going something wrong ?
Forum: Troubleshooting and Beginner Help 09-18-2010, 08:52 PM  
Tamron af 28-200mm f3.8-5.6 macro xr (if), pentax
Posted By rajchat
Replies: 1
Views: 6,478
How is this lens ? Will this work as auto-focus on a K-X ?

Thanks !!!
Forum: Troubleshooting and Beginner Help 09-16-2010, 06:54 PM  
AF vs manual lens
Posted By rajchat
Replies: 25
Views: 7,142
Many thanks for all the responses -- this forum rocks !
Forum: Troubleshooting and Beginner Help 09-16-2010, 06:43 PM  
URGENT: Will this lens work with K-X ??
Posted By rajchat
Replies: 11
Views: 2,240
Forum: Troubleshooting and Beginner Help 09-16-2010, 05:44 PM  
URGENT: Will this lens work with K-X ??
Posted By rajchat
Replies: 11
Views: 2,240
OK -- thanks. The ebay listing does not specify. The seller says he used it on nikon camera. SO I guess not, right ?
Forum: Troubleshooting and Beginner Help 09-16-2010, 05:33 PM  
URGENT: Will this lens work with K-X ??
Posted By rajchat
Replies: 11
Views: 2,240
Sigma 70-300mm f/4-5.6 DL Macro super II AF Lens


Forum: Troubleshooting and Beginner Help 09-15-2010, 11:51 AM  
AF vs manual lens
Posted By rajchat
Replies: 25
Views: 7,142
First of all I am a complete newbee with SLR, all along had a point & shoot. I am getting a k-x and I have a question of zoom lens (I did not buy the bundle).

I know I can get the AF lens for 300mm but I saw ebay has many manual lens in that range for much lower price, especially second hand.

My question is, how easy will it be for a newbee like me to use a manual zoom lens. I know the camera supports it, but I really want to know the difficulty level in using it.

Will I get discouraged (I have good attitude to learn) ? What pitfalls should I expect ?

Or is this advisable to just make investment in an AF lens ?

Thanks !!!
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