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i'll add a second matching light, and stop down. i find the wide angle effect useful for cinematography and framing shots over the regular flat port; i'll keep plugging away until i can get better results. thanks for the advice!

Hello, I am shooting video with a panasonic LX-7 through a wd-20 lens, and i am in green water. it is really silty and dark, and i have a sartek 1500lm lighting system, but am still shooting wide open at f/1.4. i am having trouble with obtaining sharpness through the wd-20, especially on the...

i recieved some info from Manafont about the 2 x 18650 light. they do use the XML T6 light, and grazing various sites on the internet this configuration gives between 650-900 lumens. This is the same driver that is in the MJ-810. As it is half the price of the uglylight/spikylight (but...

do you use the manafont light? what kind of driver do they use? that is an amazing price; i have been buying the spiky magicshine so this one looks like an interesting alternative.

When I started diving i bolted when my instructor removed my mask without warning me. I ascended too fast but was able to pull it together and realize what was happening. That was one of the most important classes i ever took because it changed my approach to diving and changed how I perceived...

Any canon powershot can take raw photos. Use the CHDK firmware. This enables RAW, HDR, plugins (scripts), intervalometer, motion detection, etc.

just like skiing and diving, the exact opposite opinion in photography can also be equally valid. Here's mine: use jpeg until you understand its limitations. starting out with jpeg will simplify your workflow; you can post your jpg instantly online or email it without going through the extra...

“Contrary to what most people say, the most dangerous animal in the world is not the lion or the tiger or even the elephant. It's a shark riding on an elephant's back, just trampling and eating everything they see.” - Jack Handy

i got reassuring replies via email, great price on parts, and prompt shipping from Northeast Scuba.

f/2 is the largest aperture the lens is capable of. (it's a great lens, btw). However, the optimal range of that lens is probably f/4-f/10. Stopping down a lens improves contrast and sharpness as well as increasing DOF. Stopping down the aperture works for modern multi-coated zoom optics as...

I prefer the shrimp photo!

Piranha Mfg sells a console with a knife on the reverse side.

I've used the MC-E for ~ 50 dives, and the P7 for about 5. My copies do not leak. the P7 is not noticeably brighter, but my copy has a yellower light than my MC-E. I have 4 sets of batteries that i rotate. i find brightness and burn time are best when the cells are topped off the day of the...

i figure most replicas would not be pressure rated or properly sealed; they were more replicated for their unique look rather than their utility. They were replicated because the helmets were highly desirable as pub decorations and the genuine item goes for thousands of dollars nowadays...

I noticed the biggest change in Canada Customs when the US started requiring passports for all ports of entry. Before, i could drive down to the states or get on a plane with a birth certificate and a driver's license. When the US ended this special arrangement, i perceived Canada tightening...

take Prince William Sound, AK as a case study; a miniature, fun-sized version of what happened in the Gulf: In Prince William Sound, the Herring fishery still has not bounced back 20 years later. It's also not just the fish that are absent; organisms will retain sub-lethal levels of...

how about heatsinks for LED maglight conversions? Packhorse does some mind-blowing lathecraftery for his custom lights on the forums. check out this dormant site for some ideas for canister light parts. (look they even have a backplate drawing for your fabbing pleasure!) A heatsink with...

from nelligoon's posting history, 5 out of 11 posts are about the scuba online site. also, this thread seems to indicate there's some sort of viral marketing at work here. I have no idea if the site is legit, and i am not accusing anyone of anything: I am just using the search function...

Google Maps has a terrain feature, and you have to zoom in pretty close to see the topo lines. It appears that Trans Canada follows Thompson River closely to Cache Creek (200-400m) , and Caribou Hwy to Duffy Lake Rd. goes through a valley (>600m). Pavillion Lake is >1000m. I figure going up...

Thanks for the great trip report; I'm making my way towards there soon and wanted to check out those microbialites. how are you attaching those aluminum arms to your tray? i'm learning all sorts of things from your thread!