[AZ-Observing] Re: A Winter View of the Summer Milky Way
- From: "Jimmy Ray" <jimmy_ray@xxxxxxx>
- To: <az-observing@xxxxxxxxxxxxx>
- Date: Tue, 25 Dec 2007 13:01:29 -0700
Hi Tom,
For me you have just made a very valuable observation.=20
" Note that Jeremy stopped the lens down from f/3.5 (its widest at 18mm) =
to f/7.1 in order to sharpen the stars and reduce the vignetting."
That should help some of my current issues with using the kit lens. I am =
currently "stuck" with the kit lens until I acquire better or find that =
the lens adapters available to use lenses from my Nikon FTN on the Canon =
XTi won't damage the electronics in some manner.=20
Thank you for the post,
Jimmy Ray
-----Original Message-----
From: az-observing-bounce@xxxxxxxxxxxxx =
[mailto:az-observing-bounce@xxxxxxxxxxxxx] On Behalf Of Tom Polakis
Sent: Tuesday, December 25, 2007 10:13
To: az-observing@xxxxxxxxxxxxx
Subject: [AZ-Observing] Re: A Winter View of the Summer Milky Way
Jeremy's excellent image is all the more impressive when you read which =
lens he used: the 18-55mm Kit lens. This is the lens that can be bought =
with Canon digital SLR cameras as a very inexpensive option. Many =
advanced photographers "wouldn't be caught dead using this lens", but =
look at the results it is capable of producing. Note that Jeremy =
stopped the lens down from f/3.5 (its widest at 18mm) to f/7.1 in order =
to sharpen the stars and reduce the vignetting.
Tom
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