Comments on: Improve Photography Shows us How to Shoot the Stars

By: DafOwen

DafOwen — Fri, 31 Aug 2012 13:41:00 +0000

BTW top tip I’ve seen on another such article – easy way of finding the Milky Way is to use Google Sky on a smartphone and search for Sagittarius.

By: DafOwen

DafOwen — Fri, 31 Aug 2012 13:37:00 +0000

Nice simple explanation of using Long Exposure NR. Could have done with watching it last year when I tried it before – wasn’t sure if NR would remove the stars!

I guess other forms of NR should be off.

By: Nathan Cashion

Nathan Cashion — Thu, 30 Aug 2012 15:52:00 +0000

I remember being told once that Long Exposure Noise Reduction only affects JPEGs (either the baked in preview for RAW files or actual JPEG files) not RAW files. Can anyone confirm or correct this?

By: Luis Cabrera

Luis Cabrera — Sat, 25 Aug 2012 03:58:00 +0000

good

By: Stan Rogers

Stan Rogers — Sat, 25 Aug 2012 01:51:00 +0000

By definition, the infinity end of the depth of field when you use the hyperfocal distance method is as unsharp as you are willing to accept at a given final image size. That’s not exactly optimal for a photo where the stars, which are really quite minuscule, are the main subject. The old numbers are for an 8×10 print and 1930s-vintage film stock, and we generally considered it inadequate for high-resolution film back in the ’80s, and adjusted by a couple of stops even then. It’s perfectly okay to use the hyperfocal method if you are shooting for the screen or for small prints, but if you decide to go big (and he’s shooting a D800, so a 24×36 is kind of pint-sized) both the foreground and background will be very mushy.

You might want to check out Harold Merklinger’s “The Ins and Outs of Focus” (it’s a “shareware” download at http://www.trenholm.org/hmmerk/ – meaning that it’s free to download, but there’s an expectation, not enforced, that you’ll pay a fair $5 if you find the book useful). You may change your mind altogether about the whole hyperfocal idea, at least for photos where the foreground elements are more than a few inches away.

By: Jon Roberts

Jon Roberts — Fri, 24 Aug 2012 21:30:00 +0000

Interesting that Jim is not implementing hyperfocal distance for achieving the end result in one shot.

It seems quite a few photographers are not using this technique for star trails, I wonder why…The science says it should work…easily:

focussing at a 7m distance should give a focal range of 3.5m to infinity at 24mm f2.8

although I’d probably go with the settings for f2.0 instead to allow a bit of tolerance as I’m never happy with what the rule deems as ‘acceptable sharpness’

I might have to do some real world experiments!

By: Ralph Hightower

Ralph Hightower — Fri, 24 Aug 2012 19:21:00 +0000

Great info.
I reckon that I’ll have to break out the Kodak T-Max 3200 to try the Milky Way. But I consider that such a specialized film; I don’t know if I’ll be able to finish 36 frames before I have to change ISO.

I’ve photographed the International Space Station flying overhead and some stars using Kodak T-Max 100 (ISO 100) and photographed Venus and Saturn using ISO 400 film, Kodak BW400CN.

By: Nicholas Gonzalez

Nicholas Gonzalez — Fri, 24 Aug 2012 18:04:00 +0000

Loved it!

By: Lee Morris

Lee Morris — Fri, 24 Aug 2012 17:03:00 +0000

super simple but super informative. Great stuff!