April 19, 2014, 09:32:42 AM

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Messages - emag

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16
Landscape / Re: Deep Sky Astrophotography
« on: January 26, 2014, 10:06:58 PM »
Last night was one of the rare nights this winter I've been able to use the scope, and only for about 3 hours at that, the seeing went to crap by 9PM.  A shot of M81 (bottom) and M82 (top).  The bright star in M82 is a supernova that became visible in January.  About 12 million light years away.....I may be front focusing a few million miles.  Taken with a 6D through an 8 inch scope, 1260mm effective focal length, f/6.3.  Stack of 10 shots, each 30 seconds.  I had some (operator) issues with my mount so there's a bit of trailing in the image.

17
Kai is simply wong.  But I do find his videos entertaining.

18
Never

19
Hunter in the Trees

20
EOS Bodies / Re: EOS 7D Replacement Coming for CP+? [CR1]
« on: January 12, 2014, 09:18:15 PM »
Replacement for the 7D?  Hey now, that's news.

21
Canon General / Re: Advice for future path please!
« on: January 11, 2014, 11:17:04 AM »
-------I shoot anything I can, wildlife by preference, landscape portraits of trees and magical places, portraits of people in period/fantasy costume and other things which happen inc some charity work in low light in nightclubs (for example!).......

You would be very happy with a 6D.  You'd also be happy with a 5D3, it's your money but you asked for input and I'd say the 6D will be more suited.  Keep the 100-400 and the 50/1.8.  Sell the 20D and 28-135 together to a buyer who accepts the possible 20D problems.  Neither is worth much separately and the proceeds would do you better applied toward, f'rinstance, a 24-105 (or 17-55/2.8 ).  All your other gear, sell what you're not too emotionally attached to, especially if you NEVER use it.

Don't overlook some of the nicer 3rd party lenses; newer Sigmas, RokSamBow 14.

The day the 7DII is released, your 7D will become worthless (ok, I exaggerate......but not by much).  I'd sell it while you can still get a decent amount and replace it with one of the newer crop bodies if you still want crop - as in reach for wildlife.  Two thumbs and two toes up on the 17-55/2.8, just get it if you're going to keep crop.

Compact camera?  I'd consider one of the fixed lens superzoom types.  To me, 'compact' and 'interchangeable lens' are mutually exclusive, sometimes you just want to be out and about and have a camera with you in case something catches your eye and don't need to be bothered with carrying and changing lenses.

6D+WiFi+tablet+dSLR Controller = wonderful combo, nothing gimmicky about it.

22
I'm trying to work from Lightroom to do a timelapse.

Couple things I've done:

I found a 24fps (plugin? whatever it's called) for LR that is selected in the slideshow tab, came from a British man's website.  Works well for rendering the video but takes quite a while to render with large images (hours).  I have PhotoshopCC but don't use it at all for TL.

If starting from jpegs I'll often use Startrails to create an avi, framerate and resolution are limited but not horribly so.

Framerate and deflickering can be done with Virtualdub.  I also use FreeMake to change video formats (avi, mp4).   In fact, on those rare occasions I take video with my DSLR, I use FreeMake to convert the file to something usable.

I used to be quite anal about using large, full resolution frames....but find that much smaller, lower resolution frames do quite well, although it's good to have the raws for astro.

Note that I do this for my own pleasure only, if you're considering commercial work you'll likely need more professional (i.e., expensive) software.  If the workflow you describe is strictly for your own pleasure......it sure seems like a LOT of work and time.

I post timelapses at youtube\emagowan, if yer so inclined feel free to ask me about any of them.  Most of my astro timelapses were done from raws with LR.  I did one (I admit, a stupid one, but hey, the weather was truly crappy!) of my cat sleeping, one with flicker and the other deflickered in Virtualdub.

23
Lenses / Re: TAMRON SP 150-600mm F/5-6.3 Di VC USD Hitting Market
« on: January 08, 2014, 09:35:17 AM »
Why is there so much fuss about the quality of a $1000 lens that comes with a 5-year guarantee?

Cuz it's too damn cold and crappy outside to do anything else  :D

I'm thinking (hoping?) this lens will pleasantly surprise.

24
Lenses / Re: TAMRON SP 150-600mm F/5-6.3 Di VC USD Hitting Market
« on: January 06, 2014, 01:55:33 PM »
Hmmmmm......quite good, at least in these samples.   Although it seems to translate signs into a language I can't understand......

25
Landscape / Re: Deep Sky Astrophotography
« on: January 05, 2014, 11:02:02 PM »
Nice!!  That lens looks like a real performer.  I REALLY liked your Veil shots on SGL, particularly the random L channel shot.

26
Landscape / Re: Deep Sky Astrophotography
« on: January 04, 2014, 11:17:34 PM »
I've used various astro software over the years, but I think only once or twice did I manually stack images.  I do all my stacking with DeepSkyStacker - free and quick to learn.  The resulting 16 bit tiff is opened in Adobe Camera Raw, tweaked and sent to Photoshop for final work.  I typically take 90 second exposures but sometimes shorter exposures for brighter objects like globulars and planetary nebulae.  I've been off work for two weeks and had ONE night suitable for any kind of astro work, and not very well suited at that, upper atmosphere turbulence was horrible and I was doing some imaging of Jupiter.  Comparing the use of a modified webcam to the crop video with a 60D for a Registax presentation with my local astronomy club next week.  I use a 60D, an astro modified 40D and once the weather clears I'll be using a 6D.  I have assorted clip filters for the 40D, they allow me to image from my light-polluted back yard.  The 40D is somewhat noisy and prone to banding, but the trade off is Ha sensitivity.  I gotta believe a modified 6D would be exquisite for astro.

I would love to have a cooled CCD imager, but it's difficult to justify to myself, let alone SWMBO.  Our observing season in the FL Panhandle is just too short, and the CCD would be suitable for ONLY astronomy, unlike a DSLR.

Without tracking, I only shoot wide field or time lapse.  I've got two CG5 GOTO mounts, one carries a C8 and the other a small refractor with a piggybacked camera/telephoto combo.  I've a non-GOTO fork-mounted C9.25 that tracks phenomenally well....but that scope seems to get 5lbs heavier every year.  (I realize this isn't a 'for sale' site, but if anyone with a younger/stronger back is visiting NW Florida and interested yer welcome to come take a look.)

Here's an assortment of images, the Trapezium with un-modified 40D (C9.25 with 2XTC), M51 with un-modified 60D (C8 with f/6.3 focal reducer) and the rest with a modified 40D (300mm/4L or 4 inch f/5 refractor).

Other such stuff is at    pbase(dot)com/emagowan/astrophotography

27
Canon General / Re: Types of Photographers (Seinfeld Edition)
« on: December 28, 2013, 01:48:49 AM »
Ah.  A comrade!  Some vaguely remember the days before GPS.  I also remember using a LORAN!
Yup - LORAN-A, LORAN-C, Omega and the mercifully defunct Navy Navigational Satellite System (NNSS).  NNSS posited us consistently about 50 miles inland all along the northwest coast of Borneo.  Before this thread I hadn't thought about those days for years.

28
A gift certificate.  For me.  ;)

29
Canon General / Re: Types of Photographers (Seinfeld Edition)
« on: December 27, 2013, 09:35:40 PM »
Still have the bamboo K&E in a closet.  Lost the Rapidographs years ago.  Still have a David White sextant and sight reduction tables (H.O. 229) I used in the Pacific and Indian Oceans when I was a young man with a full head of black hair.  During a tedious Pacific crossing, I became somewhat proficient with an abacus, nothing's faster for adding and subtracting.  My only experiences with T-squares were during my pitiful attempts at drafting (I was wretched), but I used to wield a mean three-arm protractor in my naviguessing days.  Now you just get lat and long with a Garmin.  Or a 6D!  And both are faster and more accurate.  Shot a Nikon F2 and a Nikkormat back then.

30
Business of Photography/Videography / Re: Leaving
« on: December 25, 2013, 11:20:35 PM »
Sounds like someone's view of the world and CR is severely front focused

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