Visionary Wild, LLC • 2200 19th St. NW, Ste 806, Washington, DC 20009
E-mail: email@example.com • Tel: 1-202-558-9596 (9am to 5pm, EST).
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We look forward to hearing from you!
by John Shaw
Yes, I bought a D5 to use as my action/fast AF/high ISO camera. My D810 bodies will continue as my landscape/lower ISO cameras. I’ve had the new D5 all of two days now, but I’m already getting emails about one feature: how to use the automatic AF fine-tune. OK, so here goes…and to make it work you need to follow these steps precisely.
That’s it. Easy. It took more time to write this out than to do the actual process.
And I now have two D4 camera bodies for sale. Both in great shape, will all the goodies from Nikon. Make me a reasonable offer for either (or both!).
By John Shaw
Many current cameras have a “hidden” autoexposure feature, an option I use quite often when working wildlife. If your camera has ”auto ISO” buried someplace in the menus, you probably can use this feature.
Three choices control exposure: shutter speed, aperture, and ISO. We generally lock in two of these, and vary the third. In aperture priority you select the f/stop and ISO, and the camera sets the shutter speed. In shutter priority you select the shutter speed and ISO, and the camera sets the f/stop.
With most cameras it’s far easier to change shutter speed and/or aperture than it is to change ISO. After all, with both Nikon and Canon that’s what the command dials by themselves do as default behavior.
Look in your camera’s menus to see if you have “auto ISO.” If so, turn it on for this test. The way auto ISO normally works is that you set a minimum shutter speed and a maximum ISO value. So long as you’re shooting at that shutter speed or higher, the camera will vary the ISO needed for the situation. If the light level drops below this range one of two things happens: (a) in aperture priority the shutter speed continues to slow below your preferred minimum, while the highest ISO value is maintained, or (b) in shutter priority, once the aperture is wide open the camera underexposes, usually with some sort of viewfinder warning indicator, but still using the highest ISO.
But here’s the catch for bird and mammal work: setting a minimum shutter speed for wildlife means you’re probably going to choose a fast speed in order to stop any possible action. What if you intentionally want a slower speed? At the same time, at any given light level you don’t want to work at any higher ISO than necessary; you always want to use the lowest ISO you can get away with, given the situation. That fast minimum shutter speed you selected may force you to shoot at a high ISO even in good light.
OK, back to those three variables that control exposure. Reread that paragraph up above, and you’ll notice that I did not mention the manual exposure mode in which what you set is what you get. In this exposure mode you have to manually set both the shutter speed and the f/stop. Now here’s the kicker: if your camera has auto ISO, most likely you can use auto ISO while the camera is in manual mode, and let the camera vary the ISO needed for whatever shutter speed/aperture combination you select.
However — and this is a major “however” — you must know how to work in the manual mode. I’m always amazed at how many photographers today do not know how to do so. If you’re not sure, read my June 2015 blog post, and your camera’s manual, and practice.
So, switch to manual exposure mode, and turn on auto ISO. Set the highest ISO value to whatever maximum ISO you’re comfortable using with that camera. Set the camera itself to its lowest native ISO. For Nikon cameras, the “minimum shutter speed” choice in auto ISO does not apply when the camera is in manual mode (and I’m pretty sure this is also true for Canons, but not being a Canon user myself…).
What you have basically done is turn the manual exposure more into an autoexposure one. You select the f/stop and shutter speed you want, the camera sets the necessary ISO.
But how can you add or subtract the amount of light (for example, in order to reposition the histogram when shooting RAW) if the camera adjusts the ISO for any given shutter speed/aperture combination? Just as in any autoexposure mode, you use the camera’s autoexposure compensation. This does not affect the shutter speed or aperture you’ve set; after all, in manual mode what you set is what you get. Instead, it changes the ISO the camera selects. Dial in a +1 autoexposure compensation, and the camera raises the ISO by one stop; dial in a -1 compensation, and it drops the ISO by one stop. Since the camera is in manual mode, the shutter speed and aperture displayed in the viewfinder will not change, but there will be some sort of indicator that exposure compensation is in effect. You’ll have to pay attention to what you’re doing, and remember to return the compensation back to “zero” when no compensation is needed. If the light level drops so low that the camera maxes out ISO, your set exposure values will be too low. Just watch the meter display, which in this case will show underexposure.
Should you use this “auto ISO with manual” mode all the time? Heavens, no. As with all modes on your camera, you use what is appropriate to the situation. I personally find auto ISO in the manual mode extremely useful when I’m working wildlife.
by John Shaw
How does one coordinate Lightroom used on a laptop when traveling, with a master Lightroom catalog back in the office? I’ve written about this before, but the topic keeps coming up at workshops and on tours, so….
I have one main master Lightroom catalog for all my images, which resides on my desktop computer in my office. That master catalog is on an internal drive (a different drive than the internal SSD drive I use for all my programs). A backup copy of this master catalog is made to another internal drive (automatically done by Lightroom when I exit the program), and a third copy of the catalog is on a small external USB drive. Yes, I’m a bit paranoid about loosing all that data.
I have another Lightroom catalog named Travel on my laptop. When I’m on the road, I download images using Lightroom, in the exact same format structure I use for the image files back in my office. As the files are downloaded, Lightroom automatically renames the files and adds my copyright information, using templates I’ve created in Lightroom. My naming template is a YYMMDD_camera-generated-file-name-and-numberformat, so individual files appear along the lines of 150624_D4S_4752. Nikon lets you set camera names in the menu system to a three character code, so my cameras are named D4S and D8T. Yeah, real original thinking there. Image files are always downloaded into a _Photos folder (the underscore makes it the topmost folder in my laptop’s directory), into a subfolder named by month and location of shoot. 06 Namibia would by a June trip to Namibia while 09 Denali would be a September shoot in Denali. Each day’s images are automatically sorted as Lightroom reads the file metadata, makes YYYY-MM-DD folders as needed inside the month-shoot folder (the 06 Namibia or 09 Denali folders), and puts the correct images into the correct folders (I always have my cameras set to the local time, which in turn means all images will be correctly sorted by date). Once all these parameters are checked in Lightroom they remain as set, so the only thing I ever have to change is the name of the month-shoot folder. I flag any images I work on in Lightroom, highlight those images, and save all metadata to file by doing Ctrl/Command + S.
While on the road I copy every day’s take to two small external USB powered hard drives, so that by the end of the trip I have three duplicate copies of all my images. Since the files are already in the organization I use in my office, all I have to do once I get home is to copy the image files to their correct location on my master hard drives, and to add the trip catalog to my master catalog. I open the Travel catalog on my laptop, select the folder with the trip images, and do File > Export as Catalog, saving the exported catalog on one of the small USB drives. I make sure to include the image previews. Since the image files on the USB drive are all current with the correct metadata saved to them, there is no reason for me to do what Lightroom calls Export negative files (“negative files” is Adobe-speak for the actual images).
Back in the office I plug this drive into a USB port on my desktop computer, and use my operating system to copy the image shoot folder, which has all the photos, over to the correct date location on my main hard drive array. Then I open my master Lightroom catalog, and do File > Import from Another Catalog, and select the catalog on the USB drive. When this is finished working, I disconnect the small USB drive, at which time Lightroom want to know where the files are located since the imported catalog still thinks they are back on my laptop. I point Lightroom to the correct image folder I’ve copied over, the 06 Namibia folder or whatever it is, and I’m done. The backup software on my desktop computer automatically kicks in, and backs up my new images.
When I’m positive that all is well with my desktop system, I remove all the photos from the Travel catalog on my laptop, so that I can reuse the catalog shell again with all my preferences still set. I reformat the USB drives, reset the time in my cameras, and I’m good-to-go on my next adventure.