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Forum: Pentax SLR Lens Discussion 07-01-2015, 01:16 AM  
Night Photogs - Pentax DA 14mm 2.8 COMA?
Posted By Rockdoctor
Replies: 6
Views: 2,125
Some excellent examples. Thanks for your help!
Forum: Pentax SLR Lens Discussion 06-17-2015, 07:26 PM  
Night Photogs - Pentax DA 14mm 2.8 COMA?
Posted By Rockdoctor
Replies: 6
Views: 2,125
From your image, it seems pretty decent. I will check out the lens club. Thanks!

---------- Post added 06-17-2015 at 08:30 PM ----------



Yes, I shoot the Rokinon 14mm 2.8 on my Canon 5D. It is the same lens that you mention here, just with different branding. They are absolutely sweet lenses for sure. Funny you bring it up because the debate that I am really having is if I am going to go with the Pentax 14mm 2.8 or the Samyang/Rokinon 14mm 2.8.

Also, thank you for the kind words regarding my photos on my website.

Thanks!

Brett Abernethy
Forum: Post Your Photos! 06-12-2015, 03:00 PM  
Black & White The art of survival .. or just grass ?
Posted By Rockdoctor
Replies: 1
Views: 830
The colour contrast definitely helps your subject stand out in the second photo.
Forum: Pentax Full Frame 06-12-2015, 01:53 PM  
A recent full frame experience
Posted By Rockdoctor
Replies: 110
Views: 16,571
I shoot a Canon 5D iii full frame and a Pentax K3 ii. When you are really working and I mean working as a photographer, it is nice to have the size of a FF body such as Canon and Nikon. It is much easier to find the buttons you are looking for without actually looking at the camera. As well. It gives you something to really hold on to.
Forum: General Photography 06-12-2015, 01:47 PM  
anyone heard of perfocal.com?
Posted By Rockdoctor
Replies: 9
Views: 3,194
I stopped at "There are so many amazing photographers out there willing to work for a reasonable price" on their ABOUT page.
Forum: Ricoh GR 06-12-2015, 01:38 PM  
white balance
Posted By Rockdoctor
Replies: 7
Views: 1,685
What setting do you typically use? Auto WB?
Forum: Photo Critique 06-12-2015, 11:45 AM  
People Lost Art Of Conversation
Posted By Rockdoctor
Replies: 20
Views: 2,152
Agreed. The colour on her face works with the blouse.
Forum: Photo Critique 06-12-2015, 10:27 AM  
Abstract Flame Art
Posted By Rockdoctor
Replies: 9
Views: 1,895
Overall great. I prefer the shots without mirroring. The natural flame is stunning as seen in the first shot. Also, I'm undecided if I like the match head in the shot or not. Love the work. I'm going to follow you on flickr to see what you come up with next.
Forum: Photo Critique 06-12-2015, 10:15 AM  
Nature A ... Flower
Posted By Rockdoctor
Replies: 6
Views: 1,126
I love the low light nature of the first shot. The detail draws attention from the flower to the interior structure of the flower which you were clearly trying to do here. A great low key exposure. An overall great shot.
Forum: Photo Critique 06-12-2015, 10:11 AM  
Landscape Longpool Falls
Posted By Rockdoctor
Replies: 6
Views: 1,051
Well composed. Great geometry and the exposure is great. You got a little reflective glow on the overhanging rock, which is a nice touch.
Forum: Photo Critique 06-12-2015, 10:10 AM  
Landscape Beach Cave in Haiti
Posted By Rockdoctor
Replies: 11
Views: 1,373
Good shot. I like the low light on the walls. The composition works for me.
Forum: Photo Critique 06-12-2015, 10:07 AM  
People Lost Art Of Conversation
Posted By Rockdoctor
Replies: 20
Views: 2,152
Good photo. Did you try it in B&W?
Forum: Photo Critique 06-12-2015, 10:04 AM  
People Portrait as a favor for a client - ideas please!
Posted By Rockdoctor
Replies: 18
Views: 2,439
I would pull up the shadows a bit on the left side of the face.
Forum: Photo Critique 06-12-2015, 09:43 AM  
Architecture Architecture take 2
Posted By Rockdoctor
Replies: 9
Views: 1,243
The balance of the sky is fine. Good work in post. To my eye, the shadow is distracting, but you have already addressed that in your comments regarding the time of day that it was taken. Compositionally, I would like to see more balance and symmetry(since that is what you were trying to achieve here). To top of the roof is seen on the right, but not on the left. Also, the brick wall intersects the right side of the edge of the shot lower than the left. You might consider bringing up the shadows a bit? I like the potted shrub on the bottom left and I'd like to see more of it.
Forum: Pentax SLR Lens Discussion 06-12-2015, 09:26 AM  
Night Photogs - Pentax DA 14mm 2.8 COMA?
Posted By Rockdoctor
Replies: 6
Views: 2,125
Hi all,

I am an avid night photographer who primarily uses Canon gear for shooting nights capes and astrophotography. After a short hiatus I have just jumped back into Pentax with the K3 ii.

My very direct question: Does the Pentax DA 14mm 2.8 produce cometic aberration(COMA) on stars? Can you share your experiences?

Thanks!

Brett Abernethy
Forum: Pentax K-3 & K-3 II 06-10-2015, 04:17 PM  
Post Your K-3 II Photos Here
Posted By Rockdoctor
Replies: 170
Views: 54,876
Awesome!!
Forum: Welcomes and Introductions 06-10-2015, 04:04 PM  
I'm back!
Posted By Rockdoctor
Replies: 4
Views: 863
Hi all, I haven't been on the forums for a long time. I went over to one of the dark sides for a while.

I picked up a K3 ii and I am excited to try out a bunch of my vintage lenses on it to see how she purrs.

See you on the forums!
Forum: Photographic Industry and Professionals 05-20-2013, 07:41 AM  
Hilarious Instructional Video about Lens Disassembly
Posted By Rockdoctor
Replies: 18
Views: 2,226
Ya, no kidding. Even if this video was intended for demonstration purposes only, I question what he was attempting to demonstrate. How not to clean a lens? How to destroy a lens? It's all funny really. I didn't find it helpful in any regard.
Forum: Photographic Industry and Professionals 05-20-2013, 07:38 AM  
Hilarious Instructional Video about Lens Disassembly
Posted By Rockdoctor
Replies: 18
Views: 2,226
haha Some people don't really care about cosmetics right? In this case I thing alignment is an issue. Did he think you could just easy buy a replacement ring for the front element? lol
Forum: Photographic Industry and Professionals 05-20-2013, 07:36 AM  
Hilarious Instructional Video about Lens Disassembly
Posted By Rockdoctor
Replies: 18
Views: 2,226
Your right. This post demands a sticky! lol
Forum: Photographic Industry and Professionals 05-20-2013, 07:35 AM  
Hilarious Instructional Video about Lens Disassembly
Posted By Rockdoctor
Replies: 18
Views: 2,226
Are you suggesting someone on Pentaxforums did it? I never thought of that. LoL
Forum: Photographic Industry and Professionals 05-20-2013, 07:34 AM  
Hilarious Instructional Video about Lens Disassembly
Posted By Rockdoctor
Replies: 18
Views: 2,226
haha ya no kidding. It was a nice looking 50mm.
Forum: Photographic Industry and Professionals 05-18-2013, 09:52 PM  
Hilarious Instructional Video about Lens Disassembly
Posted By Rockdoctor
Replies: 18
Views: 2,226
I laughed so hard hard at this video of a guy demonstrating how to open a 135mm lens for cleaning. From the beginning I cringed at his technique using the scissors - the thought of him jamming the scissors into his hand. if you are bored watching from the beginning you could fast forward to 4:05 where we see him with a bandaid on his thumb and a totally destroyed lens. I laughed so hard at this point. I recommend watching from the begginging as it really builds up to a climax. :lol:
















Youtu.be



Forum: Sold Items 01-02-2012, 09:30 PM  
For Sale - Sold: Pentax DA 12-24mm F4 ED AL
Posted By Rockdoctor
Replies: 2
Views: 2,637
PentaxForums.com Marketplace Listing

Item for Sale
Pentax DA 12-24mm F4 ED AL

Asking Price
575 US obo

Item Location
Calgary (Canada)

Item Description
Up for sale is a barely used mint Pentax DA 12-24mm F4ED AL.

A spectacular lens for landscape shots!

It comes packed in the original box. It including the lens hood, and front and back caps. The rear cap may not be the original.

I am asking $575 US dollars obo.

Are you the original owner of the item being sold?
Yes

Are you selling or trading this item?
Selling

Item Condition (Key)
Used
Mint

Shipping Destinations
North America

Shipping Charge
15

Shipping Services
Canada Post

Accepted Payment Types
PayPal

Return Policy & Additional Details
No return offered.

Please send me a private message if interested in the item!
Forum: Lens Clubs 10-10-2009, 08:30 PM  
The Off-Brand Club!!
Posted By Rockdoctor
Replies: 1,188
Views: 418,913
I've recently picked up a Bushnell 400mm M42 lens. Mint. Interesting enough it comes with a PK adapter. I haven't had a chance try shooting with it. I am wondering if anyone else has one and what they think. I searched the forum and found one other post in this thread but nothing other than that. Does the quality stand up? Thanks in advance.
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