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Messages - ecka

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256
Lenses / Re: New wide angle lens for FF
« on: March 14, 2013, 08:16:52 AM »
I'm not sure if 24/1.4L'II could be THE landscaping lens. I'd rather get Zeiss 21/2.8, unless you really need that f/1.4 aperture or AF. However, if I had the money, I would go straight for TS-E 24/3.5L'II or TS-E 17/4L (can't use regular filters).
Samyang T-S 24/3.5UMC is coming soon and it may be something worth waiting for. Their 14/2.8UMC (can't use regular filters) has strong and complicated distortion, but all the rest about this lens is just beautiful.
16-35L'II is not perfect corner-to-corner wide-open, but it is pretty competitive at f/5.6+ and its zoom-ability may be a huge advantage for many people. However, I don't find it to be a smart choice as a dedicated landscaping lens.

257
I'd choose FF+3 lenses over crop+4 lenses.

258
I forgot to mention that my 3GB paging file is located on the RAM Disk as well ;)

Paging incurs some (but not much) overhead, so if you made your RAM disk 3Gb smaller and allowed the system to directly address that RAM rather than going through a pagefile you'd get better performance. Your method is still faster than hitting a spinning disk, but it does seem a tad… silly.

The thing is that some programs (like older ones, 32bit) require a paging file to operate, so I'm simply cheating :). Otherwise I would just turn it off. I agree, it does seem a tad silly, however, I rarely use more than 7GB of RAM. Normally it is only 5-6GB, which includes ~1GB for web browser, ~1.5GB OS and background services and ~3-4GB for LR and stuff...

259
Thanks everyone for the advice  :D ;D

Unfortunately this laptop looks nice does not allow upgrade of ram (similar to mac book air). So appears i will have to bit the bullet and go for new system.

Seems to me the key for lightroom system

1) Ram as much as possible
2) processor i7 best that can support lots of ram

Did not know anything about ram disk so have read up. seems interesting if have lots of ram. also came accross this has anyone had any experience with supercache? Seems to be similar to ram disk but mirrors rather than load everything.

http://www.superspeed.com/desktop/supercache.php

Again thanks everyone for your help


I think that supercache is very similar to SSD caching, only using a RAM Disk instead of SSD. This way you are letting the system itself to decide which data needs to be cached. I don't trust the machine :), so I prefer to manage it myself. I tried 5-6 different RAM Disk softwares and decided to go with Primo Ramdisk, because it seems to be the most stable and simple to use (and one of the faster ones). My system is running 24/7 without reboot for many months and I would lose all the data on RAM Disk if the system crashes. It never happened, but I'm using copies nonetheless.
My system:
i7-3770K - because I'm running it 24/7 and it is more power efficient (google Virtu MVP)
GTX 670 - CUDA cores + I like games too
Sabertooth Z77 - just because :)
32GB 1600MHz (4x8GB) RAM
Vertex 4 SSD
10TB external storage


Thanks for the tip my machine currently runs 24/7 so will follow your recomendations, i will also check primo ramdisk


Just remember that Z77/LGA1155 system can only have 32GB of RAM maximum. If you decide to have more, then you need X79/LGA2011 system, which suggests i7-3930K CPU.

P.S. Watercooling isn't really any quieter. I'm using Zalman CNPS12X cooler, which is pretty silent and gives me nice temps from 26C idle to around 40something'C on load.

260
Thanks everyone for the advice  :D ;D

Unfortunately this laptop looks nice does not allow upgrade of ram (similar to mac book air). So appears i will have to bit the bullet and go for new system.

Seems to me the key for lightroom system

1) Ram as much as possible
2) processor i7 best that can support lots of ram

Did not know anything about ram disk so have read up. seems interesting if have lots of ram. also came accross this has anyone had any experience with supercache? Seems to be similar to ram disk but mirrors rather than load everything.

http://www.superspeed.com/desktop/supercache.php

Again thanks everyone for your help


I think that supercache is very similar to SSD caching, only using a RAM Disk instead of SSD. This way you are letting the system itself to decide which data needs to be cached. I don't trust the machine :), so I prefer to manage it myself. I tried 5-6 different RAM Disk softwares and decided to go with Primo Ramdisk, because it seems to be the most stable and simple to use (and one of the faster ones). My system is running 24/7 without reboot for many months and I would lose all the data on RAM Disk if the system crashes. It never happened, but I'm using copies nonetheless.
My system:
i7-3770K - because I'm running it 24/7 and it is more power efficient (google Virtu MVP)
GTX 670 - CUDA cores + I like games too
Sabertooth Z77 - just because :)
32GB 1600MHz (4x8GB) RAM
Vertex 4 SSD
10TB external storage

261
More RAM is certainly a good idea - 4Gb isn't enough. However! A poster above said he'd reserved 25Gb for a RAM disk, which only leaves 7Gb for the OS and other applications. Lightroom uses a ton of RAM, and if it runs out it'll start using the pagefile, which means hitting the hard drive, which gives a big slowdown. With 32Gb of RAM there's no reason not to use a RAM disk, but personally I'd leave a little more available for applications to use and have a smaller RAM disk. However, this is one of those things where experimentation will find the best sweet spot.

Quote
1.7GHz Core i5-2557M processor


This is going to be your second bottleneck after RAM. Lightroom is very CPU heavy (more so than Apple's Aperture, which offloads a lot more work to the graphics card than Lightroom) and I'm noticing my computer (which has a 3.2GHz i5 CPU) bogging down sometimes with 18MP pictures from my 60D when I'm doing batch edits and such.

Also, I looked up the spec sheet of that CPU (here) and it says the CPU only supports up to 8Gb of RAM. I'm not sure if that's true, but you may wish to double-check before throwing RAM at it.


I forgot to mention that my 3GB paging file is located on the RAM Disk as well ;)

262
What made a dramatic improvement in lightroom, for me, is RAM Disk. I have 32GB of RAM in my machine and the bigger part of it (25GB) is used for RAM Disk. It is like 20 times faster than SSD (~9GB/sec). However, for video editing you may need more RAM (?64GB).

263
Landscape / Re: How Would You Edit This Landscape Photo?
« on: March 08, 2013, 03:05:18 AM »
LR4.3

264
EOS Bodies / Re: Canon Confirms 70D; Future of Semi-Pro DSLR is FF
« on: February 01, 2013, 08:01:07 AM »
Personally, Canon...if you are listening....Keep semi-pro APS-C.  I'll buy a high quality 7DII as soon as it is available for pre-order.

Even if it's just the same old 7D with built-in GPS, WiFi, new CPU and extra SD slot?

265
Reviews / Re: Review - Canon EF 50 f/1.2L
« on: January 12, 2013, 11:42:04 AM »
Sigmalux is still the best fast fifty ;)

266
My reasons:
1] EF 85mm f/1.2L II USM
2] MP-E 65mm f/2.8 1-5x Macro
3] TS-E 17mm f/4L
4] EF 8-15mm f/4L Fisheye USM
5] EF 40mm f/2.8 STM
6] better ergonomics
7] aperture control in LiveView
8] Magic Lantern
9] mRAW, sRAW
10] Nikon lenses are more expensive
11] Nikon's backward lens mount just feels wrong
12] I can use any Nikon lens on Canon body (via adapter), like 14-24/2.8G (which is an UWA lens, so manual focus is not a problem)

EDIT:
13] No green tint LCD! :)

267
Lenses / Re: Please help, did I receive a defective lens? 40mm f/2.8
« on: December 30, 2012, 12:01:03 PM »
My copy (on 5D2) sounds just like this one
Canon 40mm f2.8 STM Lens (HD) Review - DSLR FILM NOOB
EDIT: I'm sorry, time code didn't work, it is at 3m 45sec.

It is completely quiet if I turn the focusing ring reeeaaally slow, faster MF makes more noise.

That video only shows the AF sound though.

And mine is silent too when I MF slowly...

So I guess the MF noise is normal? If so then I don't know if I want to keep this lens...


Well, it may be too loud for videos when using the built-in mic in auto mode (which turns up the volume when adapting to low ambient noise). I don't find it to be a problem when there are people talking around.

268
Lenses / Re: Please help, did I receive a defective lens? 40mm f/2.8
« on: December 30, 2012, 10:50:13 AM »
My copy (on 5D2) sounds just like this one
Canon 40mm f2.8 STM Lens (HD) Review - DSLR FILM NOOB Small | Large

EDIT: I'm sorry, time code didn't work, it is at 3m 45sec.

It is completely quiet if I turn the focusing ring reeeaaally slow, faster MF makes more noise.

269
Canon General / Re: some money left. what should I buy?
« on: December 19, 2012, 08:29:51 AM »
Hire someone to carry your gear :D

270
EOS Bodies - For Video / Re: Do you miss APS-C?
« on: December 18, 2012, 07:25:12 AM »
Quote
Do you miss APS-C?

No, but I miss high pixel density FF, like 4.3µm (46mp).

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