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Xtend-a-Sight™ Plus II Red Dot Sight Mounting adapter
for connecting a Red Dot Sight to the flash shoe of your camera.

The Xtend-a-Sight allows you mount a Red Dot sight (typically found attached to rifles and pistols) to the flash shoe of your camera. This allows you to track moving objects much more accurately than the LCD or the viewfinder because the LCD generally "locks up" for a short while during processing of a picture and the viewfinder of a DSLR is "blanked" during the mirror up routine, or because of its limited view, it's difficult to keep a moving object in sight. The fourth version of the Xtend-a-Sight represents a focus on cost reduction and functionality. The manufacturing cost of the previous version had risen to a point where we had to shut down production until a new design was found. The new version incorporates a single, longer Weaver mount rail (which accommodates longer RDS units), with multiple horizontal slots which accomoidates a much wider variety of Red Dot Sight versions.

AVAILABILITY: MARCH 5-10th (approximately)


Xtend-a-Sight Plus

The redesigned Xtend-a-Sight II (shown mounted by itself in the flash shoe)


For reference:

  • Mounting rail is 4" (100mm) long accommodating most Weaver RDS units
  • Four horizontal slots accommodate different RDS mounts
  • Upper knurled knob locks the rail, the lower knob locks the foot
  • ONLY WEAVER MOUNT RDS units are accommodated with this set up. Separate adapters are available if a dovetail RDS unit is to be mounted (weaver to dovetail).

Important Note:

The Xtend-a-Sight is designed to work with a "standard" flash shoe...the type that's been around for a very long time. If you have an earlier model Sony camera that sports a proprietary type shoe used in Sony models introduced before 2012 (like the A100, A200, A250, A300, A350, A330, A380, A500, A550, or A700), you will need the Sony Adapter which is an optional add-on. When you shop, just select the adapter (under the name SHOEADAPT in the listing for the Xtend-a-Sight Plus) and when you click ADD TO CART, the adapter will be added as well ($3.95 additional).

Essentially, the Xtend-a-Sight is a modern "sports finder" and you can put the strap of the camera around your neck, push the camera out in front of you, with the strap tight to your neck, look through the Red Dot Sight optics at the object using the "red dot" that shows in the screen, half press for focus, and then take as many frames as your camera will allow as you follow the moving object.

Xtend-a-Sight shown with a standard BSA RD30 Red Dot sight mounted. This particular RDS unit is available at many different outlets including Walmart, Paint Ball shops, etc. Amazon carries a wide variety of RDS units as do many other gun and rifle outlets.


Xtend-a-Sight User Guide
4 pages, PDF

Red Dot sights are available from numerous sources. The two shown here were purchased at WalMart, far below the regular retail pricing.

Here are some additional source links:


Shop at

Amazon Logo

For the Amazon search box above, just put in "Red Dot Sight" (with the quotes).

In addition, many "paint-ball" outlets carry Red Dot Sights.

The only thing to remember is that the Xtend-a-Sight can mount 3/8" and 7/8" Weaver mounts (which are pretty typical), so get one with either of those two sizes.

Several customers have begun using the Xtend-a-Sight to shoot their favorite kinds of photos. photosolve is pleased to provide links to those libraries:

Birds in Flight (BIF) and Aircraft in Flight (AIF) that were taken using a Red Dot Sight. The photographer is Bernard Zee.

Birds in Flight (BIF) taken by Steven Davis, Canada using the Xtend-a-Sight and a Red Dot Sight, presented in the photosolve gallery.

Birds in Flight (BIF) taken by Steve Wolfe using the Xtend-a-Sight and a Red Dot Sight.

Birds in Flight (BIF) from David Pountney in the UK using the Xtend-a-Sight and a Red Dot Sight.

Birds in Flight (BIF) taken by Bob Schmiedt, Northwest Georgia using the Xtend-a-Sight and a Red Dot Sight, presented in the photosolve gallery.