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Re: [Birding-Aus] Camera lenses - Canon 100-400 vs Sigma 150-500

Hi Chris, (and everyone else) Sorry about the cross posting, I sent the previous email before yours but another email held it up from going. I went off to do something else and found I'd flicked the same website advice to John as yourself after you had posted it. Allan Richardson ===============================

Re: [Birding-Aus] Camera lenses - Canon 100-400 vs Sigma 150-500

Hi Guys. I find this site excellent for comparing just about any two lenses from a few lens vendors you like, although not completely exhaustive. [link]

Re: [Birding-Aus] Which Wandering Albatross?

Thanks John and Henry for the replies about the occurrence of Tristan's Albatross in Aus waters. It seems that the difficulty in ID-ing them makes them not really worth considering unless you can get them in the hand. Cheers, Ashwin =============================== To unsubscribe from this mailing list,

[Birding-Aus] Camera lenses - Canon 100-400 vs Sigma 150-500

John, more focal length is generally better for birds if it's sharp enough, the sigma lens is a touch soft at 400-500mm. Here's a comparison test for the two lenses featuring 100% crops from a test target: [link]

[Birding-Aus] BA pelagic trip off Portland, Vic Sunday 1 April

BIRDLIFE AUSTRALIA PELAGIC TRIP OFF PORTLAND, VIC Sunday 1 April 2012 OBSERVERS: Paul Dodd, Ruth Woodrow, Patrick Scully, John Weigel, Mal Chicksen, Gavin Masters, Grant Penrhyn, Val La May, John McRae, Dave Torr, Iian Denham & Rohan Clarke (report compiler) [A special thanks to Chris Lester who organised the participants but was unable to attend].

[Birding-Aus] Ostriches near Barham, NSW

The feral(?) Ostriches near Barham appear to have had a good season since the last posting about them on Birding Aus (October 2011). On 31 March 2012 early morning, I first saw 2 adults plus two juveniles, then 8 other adults on the east side of Lashbrook Road not far north of the intersection with

Re: [Birding-Aus] Fw: Off topic - Identification of a flowering shrub in Torres Strait

Hi All, The mystery shrub has been identified as /Ximenia americana /(Yellow Plum or Sea Lemon) [link] Many thanks for all the responses. Cheers, Rohan

Re: [Birding-Aus] Camera lenses - Canon 100-400 vs Sigma 150-500

There are innumerable sites with reviews of these and other lenses on the internet. However the following one specifically compares the two lens you mentioned. [link] Cheers Andrew =============================== To unsubscribe from this mailing list, send the message:

[Birding-Aus] Camera lenses - Canon 100-400 vs Sigma 150-500

Hi All, I am just after a comparison between the above two lenses for bird and nature photos in general. I want to buy one of the other, but would like some first-hand accounts from any users before deciding to spend my money. Hope some of you can help! --- *Yours in all things* "*GREEN"* ** *John Harris*