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Forum: General Talk 08-03-2012, 02:04 AM  
three times CPL?
Posted By WobblyGoblin
Replies: 17
Views: 2,087
Hi Newarts

That's basically what I was trying to say on the reversed CPL vs LPL issue but you have explained it much better :)

I'm not sure that 3 polarisers adds anything though (apart from maybe colour cast).

Bricamry, I'll try and get a couple of sample pictures to show the effect. I may struggle this weekend though.
Forum: General Talk 08-02-2012, 03:58 AM  
three times CPL?
Posted By WobblyGoblin
Replies: 17
Views: 2,087
I actually tried the LPL in front of CPL and it didn't work. It turned out the Panasonic Lumix LPL I had bought was actually CPL. A small investment in a male-male thread connector turned it into a variable ND filter which works quite well. There is a bit of a blue/magenta cast to the images but this can be removed.

To get a polarised effect I don't believe you need a third filter at all though. The ND effect is achieved by polarising the light rather than just restricting all light in the case of a normal ND. So light passing through the first (backwards) filter is polarised. The second polariser is then adjusted between:

- aligned with first polariser - lets through all light
- aligned against first polariser - lets through no light

In both cases the starting light is polarised.
Forum: Non-Pentax Cameras: Canon, Nikon, etc. 07-24-2012, 08:55 AM  
2 non-Pentax questions for backup cameras
Posted By WobblyGoblin
Replies: 1
Views: 654
'Lo all

I've got 2 separate questions on non-DSLR cameras - one for myself and one on behalf of my brother.

1) I'm looking for a compact to carry around when I'm not bringing the DSLR or for my wife who is an aprehensive user of my DSLR. Main requirements:

- Larger sensor
- Fully manual for me, but...
- ... easy auto functions for her
- Compact

I've exlcuded the larger bridge cameras as they're not small enough. Currently I am looking at the Fuji x10, Olympus XZ1 or maybe the Sony RX100. The Sony looks a bit expensive though.

I was wondering if people have any recommendations either based on the cameras I'm looking at or anything I've missed.


2) My brother is after a "serious" camera. He has ruled out a DSLR as he isn't convinced he will carry something that bulky around. He's been looking at the Sony NEX5N but is balking at the cost slightly. As a more cost-friendly solution I thought the Olympus EPL3 might be a good option. However, I'm not an expert in this area. He probably won't be getting into the fully manual process of taking photos so something user friendly, compact and with good picture quality is what he's after. Any views?

Any help on either of these questions would be greatly appreciated.

Cheers

WG
Forum: Pentax SLR Lens Discussion 07-05-2012, 02:05 AM  
43mm 1.9 or DA*55???
Posted By WobblyGoblin
Replies: 71
Views: 7,884
That's a bit sinister considering your avatar, isn't it? :p
Forum: Welcomes and Introductions 06-26-2012, 10:10 AM  
safari photography
Posted By WobblyGoblin
Replies: 5
Views: 862
I agree with PePe - 200mm may be enough but it depends how close you will get. On safari in Tanzania 300mm was usually enough but I was still reaching for the 1.4x teleconverter at times.

I cannot fault the image quality of the Sigma 100-300 f4 but it is fairly hefty if you are travelling.

If your 50-200 is a good copy then maybe using that in combination with a longer prime would work. However, bear in mind that you don't want to be changing lenses too frequently in dusty conditions. That is why a lot of people suggest the Sigma 50-500.
Forum: Pentax DSLR Discussion 06-21-2012, 02:02 AM  
Poll: $ 200 each month!
Posted By WobblyGoblin
Replies: 57
Views: 7,384
If the rumours hold true it should come along just as I get my bonus (fingers crossed :eek:). However, for something this expensive I probably wouldn't be an early adopter. My preference would be to wait for the price to fall slightly and see what user's experiences are.

I'm more likely to pick up the K5 replacement (assuming there is an APSC replacement on its way).
Forum: Lens Clubs 06-21-2012, 01:56 AM  
The 15mm Limited controls my mind - club
Posted By WobblyGoblin
Replies: 11,661
Views: 2,052,924
Picked up a DA15 a little while ago with the thoughts that it would make a compact, carry-anywhere wide angle (to replace the 12-24 where size and weight were an issue). First impressions of the lens were a bit "meh" testing it wide open (soft-ish corners as you would expect).

However, went to the Brecon Beacons in South Wales at the weekend and wow - I love this lens! Light and compact (so perfect for walking) and the images straight out of the camera have a really nice quality. I still need to go through the pictures but I don't think I took any show-stoppers. That's down to my lack of skill and getting used to the lens though. I'm still trying to develop an eye for landscape photography.

I can't believe I was thinking of selling it on a few weeks ago...
Forum: Pentax Camera and Field Accessories 06-01-2012, 01:45 AM  
K-5 + 16-50 tripod advice?
Posted By WobblyGoblin
Replies: 12
Views: 2,056
Have you considered Benro tripods? I'm not sure if it is still the case but I understand they were like-for-like copies of Gitzo tripods at one point (but significantly cheaper). I have one and it is wonderfully made and incredibly sturdy.
Forum: Pentax SLR Lens Discussion 05-20-2012, 04:35 AM  
Photozone re-reviews FA 43 Limited
Posted By WobblyGoblin
Replies: 144
Views: 17,301
Hmm... they do state that they are surprised by the hugely different results and hint that sample variation could have a part in it. For such a high priced lens you would expect sample variation to be low though. I would be interested to see them re-test on another example.

For my part the results do seem to reflect the characteristics of my copy of the lens, but an extreme case. Yes, wide open it has some softness at the edges and wide open the bokeh has a halo in certain circumstances. However, I can't say I've noticed results as poor as they seem to be getting. It could be that I'm not taking many photos wide open that require sharpness across the frame. The 43mm is a short portrait lens for me so it would be usual to have the edges of the frame blured.
Forum: Welcomes and Introductions 05-03-2012, 05:22 AM  
Hi from London
Posted By WobblyGoblin
Replies: 3
Views: 468
If only I could get tickets!

I will be sure to post some shots of the traffic jams ;)
Forum: Pentax SLR Lens Discussion 05-01-2012, 09:35 AM  
FA 43 more dusty and FA 31 the better lens? Is that right?
Posted By WobblyGoblin
Replies: 32
Views: 4,851
I love my 43mm. To get razor sharpness it does need to be stopped down slightly but the look of the pictures is great. The 77mm is also fantastic but gets less use due to the focal length (like yours).

Is it not possible that you just prefer the focal length/ subject choices from the 43? The images are more likely to be closer cropped and the subject isolated from the background because of the focal length. Just a thought.
Forum: Photo Critique 05-01-2012, 06:56 AM  
Landscape First light under a setting moon
Posted By WobblyGoblin
Replies: 3
Views: 670
I love this - the HDR doesn't try to make the deep shadows bright. A slightly different twist on a nightime shot.
Forum: Welcomes and Introductions 05-01-2012, 06:39 AM  
Hi from London
Posted By WobblyGoblin
Replies: 3
Views: 468
Hi everyone.

Been a lurker on this site for a while (especially the excellent lens review database...)

I took up photography about 3 years ago and fell into Pentax almost by accident (a deal on a Samsung GX20 that was too good to pass up). Since then I have slowly succumbed to the quality of Pentax lenses despite my initial protests that I would only ever need the kit lenses. :p

Cheers

WG
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