Tag Archives: Mark IV

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Canon EOS 1D Mark IV
Firmware updates for the Canon 550D / T2i fixes aperture movement with some lenses.

Canon EOS 1D Mark IV
They also have a firmware update for the Canon EOS 1D Mark IV for the same fix.

This appears to be the problem I first experienced with my Canon 5D Mark II and they are getting around to updating the other cameras. Not a huge deal, I've mainly experienced this with my original 100mm Macro USM F/2.8 lens and i'm assuming it's the same. If you're using the new Hybrid 100mm Macro 2.8 with IS, you'd probably never know. Doesn't seem to be a 'must have' firmware fix unless you're doing lots of Macro work with the older Macro lenses.

Here's the link to the T2i Firmware update

Here's the link to the Canon 1D Mark IV update.

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Probably the best rail for a DIY slider, I believe this would be the same as a Glidetrack, is the Linear Guide rail from Igus. Normally used for Robotics, these precision machined aluminum rails use Dry bearings to slide. No greasy bearings. A.K.A. ZaZa slider, you can find more information here https://www.dvxuser.com/V6/showthread.php?t=145701

After reading a few threads and checking out the ZaZa slider group over at Vimeo.com, I decided to build my own. This post is really late because I had already ordered this item about half a year ago, but finally decided to finish it with a Fluid Head. It pretty much just sat waiting for this last piece. It's a work in progress, i'll probably change from one Tripod to 2 (1 each side) for more stability. I'll use Quick Release plates on each end to break it down faster. Oh well, here's my first run.

[Update] After the popularity of this DIY Project, the company IGUS now sells the complete kit and some predrilled. Here's the link to grab possibly the cheapest high quality DSLR Video Camera slider: Igus DIY Slider Kits

igus-diy-slider
find-price-button Igus DIY Slider Kits

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