Category: Lenses, Ports, Domes
Stephen tests Canon 14mm II
Pool tests for corners sharpness with various wide angle zoom lenses (includes Nikon 14-24 on D3X)
SEACAM Wet Diopter 2
Stephen tests Tokina 10-17mm fisheye zoom
Canon 16-35mm II Lens Test
Test Chronology – New Canon 16-35mm II lens: 4/30/07 – I’m out of town tomorrow and can’t do the UW test quite yet, but the 16-35 L II arrived this afternoon and I did a very quick test. Tripod mounted with focus on the part of the board in the center that said "Church". Center […]
Continue readingMore TagLens Testing for Underwater Use
A few months ago I decided it was time to find out what would be optimal underwater performance of my particular lenses in my particular dome ports. So, that meant the tedious trial and error of pool testing with a variety of lenses, ports, port extension, and diopters. I even borrowed some lenses from Canon […]
Continue readingMore TagSEACAM Wet Two Diopter
Observations from the Road: Seacam Wet Two Diopter in Papua New Guinea I have previously tested Seacam’s Wet One diopter in St. Vincent. However, for this trip to Papua New Guinea I had the opportunity to test the new, more powerful Wet Two diopter. Having seen the results, I have to make a rather bold […]
Continue readingMore TagCanon 17-40mm reflections in dome port
A Low Tech Solution for a High-Tech Problem Ever since I began shooting Canon digital SLRs underwater I’ve had a problem with one particular lens. My 17-40 zoom is one of my most versatile focal lengths, but it has a series of concentric circles around the front of the lens as part of the design. […]
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