This Morning's Frost

Started Feb 8, 2013 | Discussions thread
Alchymist Regular Member • Posts: 201
Re: This Morning's Frost

Stephen Barrett wrote:

Alcymist, Here is a link describing the 600 mm closeup lens:
It is just the front end of an inexpensive telescope, hacksawed off, with two aluminum sheet metal "grabbers" taped on with electrical tape. I am finding this lens very handy, as it gives a similar magnification as macro with the subject touching the lens, except that this lens focuses at a distance of approximately 2 ft when the camera is set to infinite focus. So you avoid casting a shadow or scaring the insects away. I think that a Canon 500D closeup lens would give similar results.
The frost image shows some vignetting with the camera at f=109 mm. This may be because the tube that holds the lens extends in front of the lens. With the SX30 at full optical zoom of 150.5 mm, vignetting isn't apparent.

Thanks for the info - I read your thread - nice work.

The vignetting actually looks good in the frost photo, and helps make the shot.

Take care,


 Alchymist's gear list:Alchymist's gear list
Canon PowerShot A710 IS Kodak EasyShare CX7530 Canon PowerShot SX150 IS Canon PowerShot SX50 HS Canon PowerShot A530 +5 more
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