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The Tamron 50-400mm F4.5-6.3 Di III VC VXD boasts an impressive zoom range in a relatively compact package. How does it perform? We took a look.
The dot sight needs to be aligned both vertically and horizontally. The horizontal alignment is fairly straightforward but, with my EE-1, I need to do it every time I mount the RDS on my camera because it is not really tight in the hot shoe and can skew a bit when you push it in.
Vertical is more complicated because it has to be aligned for a specific distance, the focus distance. Fortunately, for more distant targets like birds, if you set it for about 30m it will be OK for targets from about 15m to 60m. It is much more difficult for close targets like insects where the distance has to be fairly accurate.
All of the photographic dot sights that I have seen have wheels to adjust the alignments. With these you can, with practice, do the alignment very quickly with 3-4 shots which only takes a couple of minutes, even hand held. If you are using a tripod it is even faster.
The problem with the RDS in the video is that you appear to need a screwdriver to adjust the alignments. That might be OK if the sight is rigidly attached to a rifle or crossbow so you only rarely have to change it, but would be unacceptable to me on a camera when it is not rigidly attached to the hot shoe and you have to adjust it relatively frequently.
Note that, in photography, an RDS is inherently less accurate for focusing than using the viewfinder. So, IMHO, it is only worth using one for targets that are really difficult to pick up and/or track in the viewfinder. Examples would be whale breaches, jumping dolphins and birds that either fly very erratically or appear suddenly out of nowhere. I found that my hit rate for jumping dolphins, the hardest targets that I have ever tried to shoot, went from less than 5% using the viewfinder to about 25% using an RDS.
On the M4/3 forum where there are a lot of photographers shooting really difficult flying birds like swallows and bee eaters, most have now acquired the skills to track them in the view finder and no longer use an RDS. I still use one for fun when shooting BIF at some locations because it gives you the chance to take a snap shot of any bird that appears very suddenly - but with quite a low hit, though.
What’s the best camera for around $2000? These capable cameras should be solid and well-built, have both speed and focus for capturing fast action and offer professional-level image quality. In this buying guide we’ve rounded up all the current interchangeable lens cameras costing around $2000 and recommended the best.
What's the best camera for shooting landscapes? High resolution, weather-sealed bodies and wide dynamic range are all important. In this buying guide we've rounded-up several great cameras for shooting landscapes, and recommended the best.
If you're looking for the perfect drone for yourself, or to gift someone special, we've gone through all of the options and selected our favorites.
Most modern cameras will shoot video to one degree or another, but these are the ones we’d look at if you plan to shoot some video alongside your photos. We’ve chosen cameras that can take great photos and make it easy to get great looking video, rather than being the ones you’d choose as a committed videographer.
Although a lot of people only upload images to Instagram from their smartphones, the app is much more than just a mobile photography platform. In this guide we've chosen a selection of cameras that make it easy to shoot compelling lifestyle images, ideal for sharing on social media.
|Reina by Great Bustard|
from in the style of a Large Format Portrait
|_SDI2370bw by rick decker|
from Crashing Wave
|2019_0720_163302AA by old shutter bugger|
from In The Style Of EDWARD WESTON's Sitll Lifes
|IMG_750-16662-2 Dusty drive by Jill Hancock|
from Daylight Pictures of Modern Trucks in Action
|Winter Days by DaveN01|