Twitter · Flickr · LinkedIn · publications · @ Ars Technica · Running IPv6 (Apress, 2005) · BGP (O'Reilly, 2002) · · presentations ·

Hi, I'm Iljitsch van Beijnum, writer, freelance network engineer and PhD student. I'm from The Hague. Some of the blog posts here are in Dutch, others are in English. See for just work-related posts.

How well does vibration reduction on Nikon lenses work?

I couldn't help myself and bought yet another lens a couple of weeks ago. It's the Nikon 55-200 mm VR II. It's a small and cheap tele lens for Nikon DX digital SLRs, and I'll be talking about it some more soon. What I want to do today is look at how good the vibration reduction works.

Full article / permalink - posted 2015-11-23


So which end has the pot of gold?

Image link - posted 2015-11-23

→ Mini-review: iWork ‘15 brings a lot of little changes but no headliners

My review of iWork '15 for Ars Technica.

Read the article - posted 2015-11-17

Sinterklaas has arrived

I wanted to try out my new 55-200 mm lens, so I went to see the arrival of Sinterklaas at the Scheveningen harbor. Here in Holland Sinterklaas is a big deal (read about it on Wikipedia), I didn't quite realize how big a deal until I saw all these thousands of kids that came to see his arrival. Of course our mayor Jozias van Aartsen welcomed Saint-Nicolas.

Hold on to your hat, Sinterklaas, it's pretty windy!

Read the article - posted 2015-11-14

Seagull shot with my new Nikon 55-200 VR II lens!

Seagull shot with my new Nikon 55-200 VR II lens!

Image link - posted 2015-11-12

Back button focus

If you've used a camera in the past decade or two, you know the drill: half-press the shutter button and the camera focuses, then press the shutter all the way to take the photo. Should you find yourself second guessing the autofocus system, then you can flip a switch or go into a menu to turn off autofocus (AF) and manually focus (MF) using the lens' focus ring instead. With a single lens reflex camera you'll have a dot in the viewfinder that tells you AF or MF has been achieved successfully. If not, the Nikon D7100 has a couple of extra indicators next to the focus confirmation dot that tell you in which direction you need to turn the focus ring to achieve focus.

For some types of photography, such as close-up / macro or astrophotography, you may find yourself switching to autofocus and manual focus quite often. I'm here to tell you there is a better way: back button focus.

Full article / permalink - posted 2015-11-08

older posts

Search for:
RSS feed (no photos) - RSS feed (photos only)
Archives: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015