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Forum: Pentax SLR Lens Discussion 10-25-2009, 01:19 AM  
Pentax 50-135 or Sigma 70-200?
Posted By max11
Replies: 20
Views: 13,618
Any new opinion?
is the sigma slow?
Forum: Pentax Camera and Field Accessories 09-07-2009, 12:17 PM  
Backpack for travels: 25% space for equipment and 75% personal stuff
Posted By max11
Replies: 37
Views: 13,313
You idea is quite good and resolutive for me. I went further because yesterday I found this in a shop, but they had only the pink version
It looks well made and above all with a lower access.
So I was going to buy it on the website, it is a shame I didn't have a ruler to check if it complies with the handbaggage dimesnions 55x40x20 (ryanair) up to 55x45x25 (other companies).
I think it should, do not know if the 35 liters version complies as well.

So after decided which one (any suggestion?) I will add a padded compartment that I can reach wthrough the lower access.
What do you think?
Forum: Pentax Camera and Field Accessories 09-04-2009, 12:22 PM  
Backpack for travels: 25% space for equipment and 75% personal stuff
Posted By max11
Replies: 37
Views: 13,313
Thanks I understand, you are referring to the backpack itself, I thought to the lenses!

Sorry my message was not clear, I am after something smaller, 75 liters is too big, I mean a day-backpack you can bring on the plane as hand baggage, while I will bring a bigger baggage for the whole travel.
Forum: Pentax Camera and Field Accessories 09-04-2009, 11:28 AM  
Backpack for travels: 25% space for equipment and 75% personal stuff
Posted By max11
Replies: 37
Views: 13,313
Why?

I was referring to the Donke, I cannot find it in the UK.
Forum: Pentax Camera and Field Accessories 09-03-2009, 01:30 PM  
Backpack for travels: 25% space for equipment and 75% personal stuff
Posted By max11
Replies: 37
Views: 13,313
That could be a good solution, even if it would be better if the backpach has a front lower access so you can put the insert 90 degrees rotated, so having access to the gear from the lower and to the personal stuff from the top.
By the way, I can't find that model it in the UK.
Forum: Pentax Camera and Field Accessories 09-02-2009, 01:04 PM  
Backpack for travels: 25% space for equipment and 75% personal stuff
Posted By max11
Replies: 37
Views: 13,313
This could be a good option, but the backpack dimensions are maybe too big to be brought as a hand baggage?

Length: 21.5" / 54 cm
Width: 16" / 41 cm
Height: 14 / 36 cm


Anyway, I tried the kata 466 and 467 and in both the upper compartment is too small to my needs, while same space is left in the. Even if I put something not photographic in the lower compartment, it is still not enough as the top one is quite small.

Anyone using the fastpack 250 or 350. I have not seen them, but they look similar to the 466 or 467
Forum: Pentax SLR Lens Discussion 08-07-2009, 12:27 AM  
Sigma 17-70 dilemma
Posted By max11
Replies: 39
Views: 6,554
I am quite happy with my SIgma 17-70 and didn't even buy the 18-55.

It is good, do not know the PEntax version!
Forum: Pentax Camera and Field Accessories 07-18-2009, 04:50 AM  
Backpack for travels: 25% space for equipment and 75% personal stuff
Posted By max11
Replies: 37
Views: 13,313
I knew, it is a shame I leave in the UK!
Forum: Pentax Camera and Field Accessories 07-01-2009, 02:52 PM  
Backpack for travels: 25% space for equipment and 75% personal stuff
Posted By max11
Replies: 37
Views: 13,313
thanks for sharing your experiences, guys.



Is it comfortable? it is 2.1kg.
I saw the adventure 7 or similar, it looked very low quality to me
I'm oriented to the kata 466
Forum: Pentax Camera and Field Accessories 06-25-2009, 11:31 AM  
Camera bag suggestions?
Posted By max11
Replies: 13
Views: 4,075
If need extraspace the fastpack 200 or kata 465.
If only the gear, go for SLingshot 100...fantastic
Forum: Pentax Camera and Field Accessories 06-25-2009, 11:19 AM  
Poll: Do you bring your tripod abroad? And which model?
Posted By max11
Replies: 33
Views: 9,637
How many of you carry a tripod abroad?

Do you own a lightweight one that use only abroad?

that may help me to choose between 190 and 055!

Thanks
Forum: Pentax Camera and Field Accessories 06-15-2009, 02:01 PM  
Backpack for travels: 25% space for equipment and 75% personal stuff
Posted By max11
Replies: 37
Views: 13,313
The Naneu 4l seems nice but to heavy!

the kata 465 seems small.
Actually I would prefer the 466 as it is slightly lighter and wider (so more space for the upper compartment?) than the 467.
Still it is not clear but, having similar dimensions but less space dedicated to the laptop compartment, the upper one should be larger.
Photos are not clear.

As you said, the main problem is to valuate the upper compartment dimensions
Forum: Pentax Camera and Field Accessories 06-14-2009, 12:42 PM  
Backpack for travels: 25% space for equipment and 75% personal stuff
Posted By max11
Replies: 37
Views: 13,313
Thanks for your suggestion, I think that option is good for the flight, but when I walk all the day long with the backpack on, I would like to have access to the camera or second lens quickly.
Forum: Pentax Camera and Field Accessories 06-14-2009, 05:16 AM  
Backpack for travels: 25% space for equipment and 75% personal stuff
Posted By max11
Replies: 37
Views: 13,313
I own a Lowepro Fastpack 200 is perfect to carry all my gear for a photographic daytrip. I love the lateral quick access, but the space for personal staff is small and it tends to get heavy.

As I will do a travel abroad bringing with me the 17-70 and 55-300 (79x83mm + 112x71mm, 440g x2), I was looking for a backpack (possibly with quick access to the camera) to be used everyday, that allows me to carry, let's say, 25% equipment and 75% personal stuff, in order to keep all with me safely under control. The weight is also important too.

The biggest problem is that is not easy to realize how much the upper compartment is really large. the only
way is to check them in the shops.

I did the following research:


The best for my needs seem to be the kata 466, the Tamrac aero 75 (even if the quick access seems to give some problem with cool temperatures) and the tamrac adventure 7.
Rarely I bring the laptop with me, but that space could be used for documents or clothing, as far the backapck is still comfortable also when that space is empty.
The adv 9 is too heavy, but I read the 2 compartments can be adjusted depending on my needs by moving the "thing" that divides them, but I couldn't find out if that is true also for the adv 7.
Thanks for your advices
Forum: Pentax Camera and Field Accessories 06-08-2009, 04:00 PM  
Cokin P Series, Z-Pro Series and quality filters
Posted By max11
Replies: 2
Views: 8,570
Thanks Ben, regarding Hitech...
I did a research and I found no huge difference in price between Cokin and Hitech and Hitech and Lee. they are:

Holders
-lee holder 44.79
-wide angle adaptor 77mm 30.99

-Formatt hitech holder MK4 (1, 2 or 3 slots) alluminium+ring 46
-wide angle adaptor 77mm 26.81
The 105mm front ring holder is designed to accommodate the screw in polariser, and various lens hoods.

Filters
"Grad filters have to be moved up and down to position the filter correctly in the image, therfore filters that need to be moved are 100 x 150mm, and filters that do not are 100 x 100mm."

Prices:
-Lee ND grad soft/hard set 100x150 106,35
-HItech 100x150 85
-HItech 100x100 59

- HItech nd kit standard 100x100 51,00
- HItech standard single 25
- HItech High dencity single 38
-Lee single couldn't find out

Someone mentioned casting effect using more HItech filters together,and slighlty easier to be scrached, while they are cheaper and lighter.
And Lee is experiencing some delay: "We have had some production problems, that are being resolved at the moment, but supply has been interupted, and we are currently trying to fulfil many back orders currently in our system.
I cannot tell you when the problem will be fully resolved exactly, because it is an ongoing situation, but we should be back to normal in one month.

Also form what you are saying, I may go for Lee holder+Hitech filters

Thank you
Forum: Pentax Camera and Field Accessories 06-06-2009, 03:34 PM  
Cokin P Series, Z-Pro Series and quality filters
Posted By max11
Replies: 2
Views: 8,570
Hello everyone.
I've been reading a lot of forum posts and websites about filters.-

I learned that for filters (as well as lenses:rolleyes:) you get what you pay.

I arrived to the conclusion to buy a CPL screw-in filter (possibly from B+W,Heliopan, Hoya Pro1) for the 17-70 (as it should be nearly useless for the 12-24), while I'm going to buy a Cokin holder for square system for Grad ND and ND to be used mainly on the 12-24.

As far I read, Cokin filters are not very good (both because made of resin and for a cast effect), while Lee, Schneiders, Tiffen,Singh Ray, Hightech are much better.

Cokin holders are available as P and Z-pro series. The first one with an adaptor shouldn't produce vignetting at 14mm (I am not sure what happens at 12mm),

The difference in price between P and Z-pro is relevant: considering the kit holder + 3 ND filters, the cheapest I found is 40 for P Series and 115 for Z-Pro
Is this difference in price due only to the dimensions or also to the quality of filters? Are the Z series cokins filters as bad as the P ones?

Also because the single Cokin filters cost much more for the Z (36/50) compared to the P series (10/16).
I couldn't find it out neither on Cokins website.

The choice is important, I guess, because if I decide to buy from Cokins only the holder, the filter brands I can chose among depend also on the holder.

In fact the Lees are 100mm and fit the Cokin Z-Pro holder.
The HiTech filters are 80mm and fit the Cokin P holder.

Which other lenses fit the Z and which one the P?

thank you a lot
Forum: Pentax Camera and Field Accessories 06-06-2009, 02:41 PM  
Input requested - how wide on a Cokin P?
Posted By max11
Replies: 7
Views: 3,149
is vignetting free also at 12mm or even at a 10mm?
Forum: Pentax SLR Lens Discussion 05-31-2009, 03:40 PM  
Finally, Made My Ultra-Wide Decision
Posted By max11
Replies: 26
Views: 4,584
I finally bought the 12-24.
5 extra mm are a lot, 2 extra much more. Anyway I went for Pentax due to the quality
Forum: Pentax SLR Lens Discussion 05-31-2009, 03:37 PM  
Samsung Schneider 12-24mm f/4 ED AL D-Xenon
Posted By max11
Replies: 18
Views: 13,171
It feels defenitely nice, but let me think there is something more!:p
Forum: Pentax SLR Lens Discussion 05-31-2009, 01:31 AM  
OK my set of primes almost completed
Posted By max11
Replies: 53
Views: 6,588
Hi guys, I'm a newbie so... sorry for the question!

Aren't you bothered that you have to change lens continuously?
How do you do practically? how do you plan?

PS: you forgot the 14mm!
Forum: Pentax SLR Lens Discussion 05-30-2009, 02:09 AM  
Samsung Schneider 12-24mm f/4 ED AL D-Xenon
Posted By max11
Replies: 18
Views: 13,171
ah, I just bought the Pentax!:o Hope it is better in someway!:rolleyes:
Forum: Pentax SLR Lens Discussion 05-29-2009, 02:59 PM  
Samsung Schneider 12-24mm f/4 ED AL D-Xenon
Posted By max11
Replies: 18
Views: 13,171
Are you saying that it is the same buying the Samsung or the Pentax 12-24?
Forum: Pentax SLR Lens Discussion 05-29-2009, 02:57 PM  
How the lenses are made!
Posted By max11
Replies: 20
Views: 4,845
very interesting thank you
Forum: Sold Items 05-25-2009, 12:17 PM  
For Sale - Sold: DA Super Wide 12-24mm
Posted By max11
Replies: 10
Views: 3,986
If you wanna sell it, let me know!

max
Forum: Pentax SLR Lens Discussion 05-25-2009, 04:54 AM  
Finally, Made My Ultra-Wide Decision
Posted By max11
Replies: 26
Views: 4,584
About the long debate between Pentax 12-24 and Sigma 10-20 f4/5,6 ...

1-The Pentax seems better, but having a 17-70, how much value I'd get from only 5 mm extra lenght? So maybe the 10-20 would be better.

2-About the Sigma: there are opposite opinion, also between good review sites: dpreview : Sigma 10-20mm F4-5.6 EX DC HSM Comparison to other wideangle zooms we've tested recently suggests the Sigma's class-leading days may be numbered. On APS-C, it simply can't match the biting central sharpness of the Tamron 10-24mm F3.5-4.5 Di-II in the 10-18mm range (for which, we suspect, users will mainly be buying this type of lens), and has more problematic distortion characteristics. However in a typical case of swings and roundabouts, the Sigma shows superior sharpness when shot wide open, and is better in the corners of the frame at all settings; it also has lower chromatic aberration, is better built and uses a superior focusing system."

while on photozone "The Sigma AF 10-20mm f/4-5.6 EX DC showed an pretty impressive performance with a few bugs. The resolution characteristic is generally very good to excellent except in the extreme corners at 10mm which are a bit soft at large aperture settings. A weak aspect of the Sigma is very high vignetting at large apertures - to be fair this is relatively normal regarding the extreme ultra-wide focal-length range. The CA characteristic (color shadows at the image borders) is generally pretty good except in the extreme corners at 10mm. The build quality of the lens is very high and leaves nothing to be desired. All in all a good alternative to the native Pentax lens"

3-waiting for the upcoming Sigma 10-20 f/3.5 HSM
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