The Next Big Thing in Photography

High Dynamic Range (HDR) has been enjoying a bit of a space race in the digital camera market.  What once required careful bracketing and complex stacking software has been largely reduced to an in-camera option, thanks to faster processors and burst-capture capabilities.  And while on-the-fly HDR results still have their work cut out for them (as far as matching analog film’s dynamic range), they nevertheless represent a massive improvement over what was possible just a few short years ago.

But dynamic range, color temperature, and noise (within reason) aren’t the only things that can benefit from shoot-now-decide-later flexibility.  I predict that the next variable to benefit from post production flexibility will be focus -specifically, depth of field.

There is a lot of progress being made in light field capture.  Witness the Lytro: a consumer-friendly device that captures a scene’s entire depth of field in a single shot and lets users decide later where to place the focal point.  It’s pretty impressive technology -dare I say the stuff of science fiction- but it still relies on a proprietary post-production step that isn’t (yet) as ubiquitous or standardized as RAW processing.  I’m sure they’re working on that too, but in the mean time, I think the advances we’ve seen in smartphone cameras may render the Lytro’s light field method quaint and unnecessarily complex in short order.

Focus bracketing is already a popular method of ensuring that you get the shot, provided your camera can rack focus and bracket quickly enough.  This method has also proved valuable for combining several partially-focused images to create one with a greater depth of field.  With smartphone cameras already offering best-face and strobe effect shots through simple bursting subroutines, I predict that we will have similar best-focus flexibility very soon.  As we gain the ability to capture bigger frames at higher frame rates, it’s only a matter of time before we see a camera that inhales 20 or more shots in the single second (or less) it takes to rack through it’s entire focal range.  The entire burst set can then be saved in a stack, providing both the option to select a single focal point, or combine several of them long after the moment has passed.

At the speed burst rates, focus mechanics, and processor horsepower have been improving, I believe we will have this capability within months, not years.  And I can’t wait to get my hands on it.

Red Dot Finder

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So, in case you don’t already know, the Orion EON 110mm ED refractor does not come with any extras.  Unless you count the front element cover, ring clamps, and the case (and I don’t), you will need to budget appropriately for your own dovetail rails, finder scope, diagonal, and eyepieces.

For my money, nothing beats the simplicity and minuscule profile of a red dot finder, but getting one attached to a telescope is never a straightforward affair.  I’ve already come to the conclusion that -notwithstanding Orion’s impressive design and construction efforts- nothing in astronomy is ever configured to do what you want right out of the box.  It seems no matter how many threaded holes Orion thoughtfully included in the stock configuration, there just aren’t enough, or they are in the wrong location to do what I want.  So it’s time to break out the tap and die set.

What you see here is the end result of three weeks of brainstorming and trial & error.  At the end of the day, all the dovetail and quick-disconnect pipe dreams ended up in the parts bag, and I settled on a simple, chamfered aluminum mounting plate, screwed to the outside of the ring clamp closest to the focuser.  Rock solid, low-profile, and unobtrusive.