#Reikan focal optional targets how to#
#Reikan focal optional targets pdf#
#Reikan focal optional targets full#

Using a cable release or better yet, a wireless remote (like the RC-1 or RC-6), set to 2 or 10 second delay, press the remote shutter button to autofocus the lens and lock up the mirror. Record the current Auto-focus Microadjustment value (AFMA) for the lensДЈ.Дќefocus the lens (towards infinity or minimum focus distance ) вЂ“ it doesnвЂ™t matter which you use, but IвЂ™ve found that using a consistent direction helpsД¤.

Дљlso, if you have a newer model, make sure AF is enabled for your focus-by-wire lenses like the 85 f/1.2 IIДЎ.

Set shutter control to activate AF & AE (this may be disabled if you usually use back-button AF).

Use the viewfinder cover to block light from entering the viewfinder The lights should be angled at roughly 30-45 degrees off axis from the target and the target should be lit as evenly as possible.ДЎ.

#Reikan focal optional targets full#

Buff Einstein lights (with 8вЂќ high output reflectors) with the modelling light turned on Full power. Light the target вЂ“ the brighter the better. Make any minute adjustments (while keeping the camera perfectly level) to get the center point perfectly aligned with the center of the target.Д§. A second person is helpful but not necessary.

Mount the target so it lines up with the center of the target matching the center of the viewfinder. A bubble level will do if your camera doesnвЂ™t have this feature.Д¤. If available, use your cameraвЂ™s level feature to get the camera perfectly level. Line up the front of your lens to it is as close to parallel to the target as possible. IвЂ™ve also found that f/1.2 lenses work best around 20x.Дў.Дљdd weight to the tripod вЂ“ I use a 20lb sandbagДЈ. I have found that this is the sweet spot вЂ“ it keeps the target big enough to obtain excellent results and is close enough to average shooting distance and infinity to be accurate in the field. 8-12 meters for a 400mm lens) from where you plan to mount the target.

Use your most stable tripod/head combination, legs not extended, and set up roughly 20x to 30x focal length (i.e.

#Reikan focal optional targets pdf#

Use the PDF file and print it on matte heavyweight paper at the highest quality settings your printer allowsДў.Дџor best results, mount the target on stiff cardboard вЂ“ I use the protector sheet of cardboard that comes with the paper and use 3M 6090 photo mounting spray to glue them togetherДЎ. For lenses slower than f/2.8, it works really well, though, if your camera supports it.Дo Not Use Back Button AF: As Neuroanatomist helped me discover, Back Button AF does not (reliably or at all) record the AFMA value in the EXIF metadata.ДЎ. It takes longer, seems to take an inordinate number of extra shots, is not repeatable, and does not result in very good results.

Use Automatic Focus Calibration (previously known as 'Manual Mode'): The automated mode has never given me reliable results, at least with fast or long lenses.

#Reikan focal optional targets how to#

IвЂ™ve been using FoCal since it was in beta and over the course of time, through lots of trial & error, IвЂ™ve figured out how to reliably calibrate long lenses and fast lenses. I've noticed a fair number of posts on using FoCal, so I thought I'd share my technique. Updated with revised procedure (in blue) January 3, 2017