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Forum: Pentax DSLR Discussion 07-13-2015, 03:50 AM  
Pentax K-3 New User and sampels
Posted By Irfanintekhab
Replies: 30
Views: 3,139
Sorry, Maybe that will help

Rolex by Irfan Intekhab, on Flickr
Forum: Pentax DSLR Discussion 07-13-2015, 12:26 AM  
Pentax K-3 New User and sampels
Posted By Irfanintekhab
Replies: 30
Views: 3,139
Wanted to share with you guys how sharp i could go with the 18-135 at 135mm. And i was really impressed and satisfied. The 50mm 1.8 is much sharper however



Rolex by Irfan Intekhab on 500px
Forum: Pentax DSLR Discussion 07-08-2015, 10:53 PM  
Pentax K-3 New User and sampels
Posted By Irfanintekhab
Replies: 30
Views: 3,139
thanks for the suggestions :) appreciate it

---------- Post added 07-08-15 at 10:54 PM ----------



But its always RAW :D hahah i figured it out a bit
Forum: Pentax DSLR Discussion 07-06-2015, 10:34 PM  
Pentax K-3 New User and sampels
Posted By Irfanintekhab
Replies: 30
Views: 3,139
Thank you for the information :)


i was testing 18-135 the other day. and it definitely is sharp till about 50mm. I usually don't go wide apertures in the kind of work i do. very few times but then for that id be looking into other lenses. anyway so i felt the sharpness starts to come down a little at 70mm and keeps dropping and unfortunately that's the focal length i am working around 50-70 :D


But in my case more than sharpness i am concerned about CA. and that seems to be the only problem to me with this lens. It is good, by using it for a few weeks i understood its way, and can take that under control. But just cannot be a little care free hahaha. i need to think about CA.


I think what i am looking for is confidence. You know this piece of glass no matter what just click and don't worry, come back home and you will have good sharp images. that kind of confidence i feel is what i am not getting out of this lens. I am zooming in and checking all parts of the image to see if there is CA or blurriness. Or maybe i am just caught up in the worry whether i am losing something with the new system of Pentax moving from Nikon? hahaha. if so any suggestions how do I come out of it? I don't want to turn into a pixel peeper. Id rather prefer shooting photographs than spending time on the screen of the camera peeping every part. :( Maybe its just that the new switch is all it is, and with time ill be more confident as Pentax serves :D


thank you for all the great replies. nice to see a pentax community here

---------- Post added 07-06-15 at 10:36 PM ----------


wow! those are some great photos. and a very good lens indeed. thanks for posting :) btw how do you put images from flick on here?

---------- Post added 07-06-15 at 10:51 PM ----------

Here is one shot i was trying with a controlled studio environment with the 50mm 1.8 lens. its cheap but i was amazed at how sharp it really is.

Portrait by Irfan Intekhab, on Flickr
Forum: Pentax DSLR Discussion 07-05-2015, 01:32 AM  
Pentax K-3 New User and sampels
Posted By Irfanintekhab
Replies: 30
Views: 3,139
Thank you for the detailed response. So if I get you correct, I can use the 18-135 at say 30mm and it'll be just as sharp and controlled like the 16-50 at 30mm?

The 60-250 looks promising. Cuz I'd have this 135 to cover till 30. I also bought a 50mm 1.8 since it was really cheap just 30 KD here. and someone said it's very sharp. Indeed it's really sharp. But the built is obviously not so good. It's fine until it's giving me those sharp images. And then I can use the 60-250 if I ever need to go that far. 😊
Forum: Pentax DSLR Discussion 07-04-2015, 08:35 AM  
Pentax K-3 New User and sampels
Posted By Irfanintekhab
Replies: 30
Views: 3,139
I didn't understand. What means global lull in pf activity?

---------- Post added 07-04-15 at 08:42 AM ----------



Thank you so much for the detailed answer. I apologise not having mentioned the focal lengths. Yes of course the primes would be sharpest and primes are exactly what I was looking for. Apologise again for not mentioning properly.
So coming to primes I mostly do products and automotive. And for that I need real sharpness without any distortion and minimal CA due to artificial lights.
In some automotive shots I do need a little background too sometimes. So 100mm would be a lot I suppose.
So in the range of 35-50mm primes, which would you guys recommend? Again based on sharpness. Center to corner.

---------- Post added 07-04-15 at 08:44 AM ----------

Also is it worth buying an FA lens with a thought that if Pentax ever goes full frame?, I can probably use these lenses. Or is it like Pentax won't ever go full frame?
Forum: Pentax DSLR Discussion 07-04-2015, 12:50 AM  
Pentax K-3 New User and sampels
Posted By Irfanintekhab
Replies: 30
Views: 3,139
Thanks for appreciating. And thank you for suggestions. Will definitely look into it.

How is the da* 16-50?
Forum: Pentax DSLR Discussion 07-03-2015, 03:12 PM  
Pentax K-3 New User and sampels
Posted By Irfanintekhab
Replies: 30
Views: 3,139
Hello everyone, i just made one post previously about flashes.
I recently bought a pentax K-3 moving from Nikon. I love the camera. I opted for the 18-135 that was coming along with it because of its weather sealing and feel of the lens. it felt more solid. However compared to my Nikon, it does feel a little softer even stopped down to say f/8 or f/11 somewhere in the middle focal range say 50-70.

https://www.flickr.com/photos/irfanintekhab/19279789616/in/dateposted-public/
https://www.flickr.com/photos/irfanintekhab/18160673884/in/dateposted-public/
https://www.flickr.com/photos/irfanintekhab/18099757774/in/dateposted-public/

specially when using artificial lights, there seems to be some serious CA going on. Is there something i am doing wrong with this glass? or is it how this glass really is?

Also can anyone recommend a good lens in this focal range. Specifically depending on its sharpness. Bokeh etc doesnt matter. Just the sharpness is what i am looking for in my type of work.

Thanks
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