To use the mask, you simply need to cover the telescope’s objective and point the telescope at a bright star. The mask creates a pattern that allows you to fine-tune the focus of the telescope to produce the signature “central star-spike” pattern. I have been using a Bahtinov mask t...
When you are ready to take pictures with your camera attached to the telescope, using a remote shutter release cable is useful. This accessory allows you to capture images without touching the camera and even set a sequence of images to fire off independently. (this is the one I use). A ...
If you own a telescope and wish to observe the Sun directly through its eyepiece - you must use a full aperture solar filter which is mounted on the front side of the instrument. Looking directly into the eyepiece even briefly is dangerous and can result in permanent eye damage. A photo a...
The OAG will compensate for any guiding issues due to sag. However, you are going to get tilt because the optical axis is no longer parallel to the camera chip. This is why every one of my refractors has spacers on it. These spacers allow me to be focused with less than 1/2...
binocular assessment in a conventional way. There is also a "Night mode" to examine nighttime visual acuity under low light conditions. This unit can be synchronized and integrated with the NIDEK Smart Refractor. When synchronized, chart images adjustments are possible using...
I've helped 17 people under 30 get into the hobby in the last 2 years, and all purchased a refractor, Dob, or SCT. They each have intentions to do some imaging later. I know three people who went the EAA direction recently. All three are long retired, so theyarethe old guard. ...
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The reason being that even though catadioptric scopes provide clearer images at higher magnification (of same weight of refractor), they cost significantly more than refractive scopes and are not as strong and durable for field use as refractive scopes. ...
Choose the 'Game Recording Mode' to record WOW gameplay. It's better to use the 'Game Recording Mode' to get a high quality video file. Start the Battlefield game. Note: For a stable operation, Bandicam needs to be running before starting the Battlefield game. While running a game in...
Smart Vision Labs adds two smart autorefractorsBryan Rogoff