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As I mentioned in another post or two, I own both and have used both underwater and I much prefer the Canon 10-18 over the Tokina 10-17. The Tokina is a fish-eye lens, therefore it has a lot of barrel distortion, so straight lines will appear curved. It is also significantly wider than the...

Housings usually cost more than the camera, so it generally does not make sense to invest in a housing for an old camera. The SD1200 is from 2009, so forget that. The A4000 is from 2012, but from what I can see on the web, it does not shoot in manual. To get nice shots underwater, you will need...

I have been shooting the Canon 7DMII underwater now for about the past 18 months and overall I am quite happy with it. I have a Nauticam housing. I shoot mostly macro, and for macro I use both the 60 mm and the 100 mm L and get nice pics with both. I especially like the 100 mm (which is also...

Hi Ricardo, I did test the Canon EF-S 10-18mm in the 4.33" dome made for the Tokina in the pool for a model shoot and it worked fine! Even better, I was able to use the 3rd party zoom gear I have for the Tokina (made by Xit 404) and that worked also. I used a 30 cm port extension, but it is...

I think the Canon M5 will be a great set up! I shot the original M for years. I loved the image quality but I finally got fed up with the slow AF and went to a 7D Mii. I love the 7D Mii but it is a pain to lug around and I miss the compactness of a mirrorless set up. By all reports, the M5 has...

Hi Ricardo, I am using the Nauticam 4.33" acrylic dome port (part #18804). I also discovered the Canon 18-55mm IS STM kit lens works nicely in this port also (with a 30 cm extension). I am going to try the Canon 10-18mm in it next week!

Hoag, how are you liking the Sony A6000? BTW, in case anyone is interested, Nauticam has now finally announced a housing for the Canon M5. NA-EOSM5 Housing for Canon EOS M5 - Nauticam On their website, they talk about using the 15-45 mm kit lens with the wet wide angle lens, this seems like a...

Dantes, don't forget the Sony RX100 is a 1" sensor, so it is smaller than APSC. Larger sensors have better low light performance than smaller sensors. f/1.8 is very bright on a full frame lens, but just ok on a 1" sensor. To get an idea of light gathering ability and depth of field, multiply the...

BTW, I just got word from Nauticam that they will be making a housing for the M5. The M5 is now just starting to get into the hands of the general public, and so far the reviews seem quite positive. It seems like the AF is quite good, even with adapted lenses, on par with the 80D. The smaller...

Ah, OK, I guess another reason to stay away from Ikeltite I suppose. I think OP is looking at Nauticam, so with Nauticam and most other housings, there is room for the pop up flash so as to trigger your strobes via fiber-optic.

G5X compared to G7X has an electronic viewfinder, hot shoe (good if you want to use electronic connections for your strobes rather than fiber optic) and 3 control dials rather than 2 (so in manual mode, you could have one dial each for ISO, shutter speed and aperture). However, I believe only...

I shot the EOS M for two years and now the 7DMII for one year. I liked the M for its compact size, but the main issue for me was the autofocus was very slow with the adapted 60 mm macro lens. No problem for shooting nudis but it's difficult to capture any kind of action shot. However, I found...

Yes, the older G series (G14, G15, G16) are now done and essentially replaced by the GX series. In Canon's new numbering scheme, a lower number is higher end, similar to their SLR line (excluding Rebels). For underwater, the main choices are the G5X, G7X, and G9X. The G7X came out first and...

A red filter can work well shallow, but deeper there is just no more red so it will no longer be effective. Your best bet is to add a strobe if you want to get photos with nice bright realistic colours.

You say your main concern is shutter lag. Are you pre-focusing? The L30 has a shutter lag of 0.2 seconds according to one review I read online, but at full zoom, focus to shutter is 0.6 seconds. So yes, if you just mash the shutter release, it might take a while. But that is focus lag + shutter...

I would agree that for underwater, APS-C is plenty good enough. FF might be slightly better for wide-angle, but APS-C definitely better for macro. Most of the advantages of Full-Frame pertain to topside photographers shooting weddings and portraits with big fast lenses wide-open in low light...

When I was shooting with a compact Canon (S100), I used the RecSea 2-diopter flip macro lens (Recsea 2-Diopter Flip Macro Lens for S95 & S100 Housing). Most of the time I would use only one element, the two together was only good for the tiniest of subjects. Each element was I believe about a...

Yes, the closer you are to your subject, the less depth of field you will have, so you generally need a small aperture (high F number) to maintain decent DOF for macro work. The G12 has a minimum aperture of f/8, which given it's crop factor of 4.6, would be equivalent to about f/36.8 on full...

I was once a big proponent of mirrorless: same image quality as DSLR, but way more compact. BUT, I finally realized there are two very important limitations to mirrorless as compared to DSLR: auto-focus and battery life! I was always frustrated by the very pokey AF of my mirrorless. Having to...

Hmm, I don't know if getting the Sony is such a good idea if you plan to use it only with the kit lens. The kit lens has a minimum focus distance of 25 cm, with magnification of of 0.215, neither of which are stellar. IMHO, one of the most important characteristics of a lens for underwater use...