 | Discussion on: Image 112 - "Green Mussels" |
| Discussion on: Image 112 - "Green Mussels" |
Discussion on: Image 112 - "Green Mussels" | ||||||||||||||||||||||
| Discussion, revisions and constructive criticisms of Image 112 - "Green Mussels" | ||||||||||||||||||||||
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| Andy Leach (RedAndy) Msg: #1 June 11th 2005 03:50:36 | Spectacular colours, you got an 'oooh' as it came down. Then the depth of field began to bug me a little - the top edge of the mussel ( left of centre ) has drifted out of focus, which is a real shame. It's bright enough to pull the eye but can't hold it. You're already a 1/20th exp so maybe you couldn't have increased your stop, but it probably would have got you a better DOF if there was a chance - did you really manage to hold 1/20th without any form of tripod? Otherwise I like the the shot, the grey in top left and black bottom right works quite well together. Rotating your shot and zooming in a little to fill the frame with mussels would have been another option but not necessarily a better one ;-) In green curry of Hoi Tohd? I'll have mine in the sea please ;-) | |||||||||||||||||||||
| Adrian Warren (AdrianW) Msg: #2 June 11th 2005 07:03:48 | Andy, remember that Bob's camera has a built-in optical image stabilizer - so I'd say yes, he really did shoot it without a tripod :) | |||||||||||||||||||||
| Bob Wallace (BobTrips) Msg: #3 June 11th 2005 09:00:03 | Thanks guys. I posted this one because I love the colors, and the 'taste'. (Sorry Andy. But these are most likely farm grown - not open ocean harvested.) But I was/am bothered by the DOF and composition that you've spotted. I tried cropping in several ways but couldn't chop away the offending parts while maintaining a pleasing (to me) picture. Was hoping someone might find a fix. 1/20th? 'Tis a snap. I've shot hand-held at 1/5th sec. Love that IS. | |||||||||||||||||||||
| Andy Leach (RedAndy) Msg: #4 June 12th 2005 04:58:46 | IS - never heard of it, sounds wonderful though, sort of like 'steady cam' but for stills I assume? How does it work? Does it take an average of what the lense gets and then calculste it? How much 'shake' can it handle? Farm grown eh? Well, that's better than pulling them from the wild I guess - but you can still leave mine in the water :-P Forgot to say - I did try a couple of crops last night, but didn't like what I got, don't think I even saved them. The best one was quite short and gave them a slight 'waterfall' feel, but I couldn't pull it off, sorry. [Edited: 05:00 - RedAndy ] | |||||||||||||||||||||
| Bob Wallace (BobTrips) Msg: #5 June 12th 2005 10:43:18 | IS - image stabilization. It's done three ways. Canon, Nikon, and Panasonic (Leica) move an element in the lens with servo motors. Minolta moves the sensor. In some video cams it's done by software(firmware) adjustments from frame to frame. Lens element adjustments seem to give a bit better stabilization than does sensor movement (maybe a stop better). But that difference might just be a temporary 'state of the art' issue. Nikon and Canon have been in the market with their IS systems much longer. Sensor adjustment is very attractive for dSLRs (and exchangeable lens designs to come) as the system is in the camera body and available for every lens. With Canon and Nikon you have to buy IS (NR in Nikon-speak) lenses. The numbers that I read are 2-3 stops or 3-4 stops (depending on who you read) for the lens IS systems, a stop less for the sensor system. [Edited: 10:45 - BobTrips ] | |||||||||||||||||||||
| Andy Leach (RedAndy) Msg: #6 June 14th 2005 17:25:46 | thanks, very interesting, it sounds like a very good thing to have. If/when I upgrade I'll put it on my features list, $$ allowing :-) | |||||||||||||||||||||
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