Comparison of sharpness and contrast of 4 lenses

While waiting for Nikon’s response to my weird D7000 image quality issue with fast AFS lenses, I keep on translating some older comparisons between new lenses and old lenses. At least, they were new, when I originally did the comparison last late summer 2010.

Nikon presented last september its brand new and highly anticipated FX super zoom  – the AFS 28-300mm VR – which triggered in many discussion forums hot debates about the merits and drawbacks of a 11-fold zoom. Most discussions were based on hearsay and speculation or, on viewing some small images on the web and deduct their qualities from there. Plus the imho grossly overlooked AFS 55-300mm DX VR came along as well

It was time to put more meat into the debate …..

Here we go. We have 4 lenses waiting on the starting line, 2 are new, 2 are well known:

  • AFS 28-300mm VR – In Nikon’s marketing terms: AF-S NIKKOR 28-300mm/3.5-5.6G ED VR
  • AFS 18-200m VR I –  (AF-S DX NIKKOR 18-200mm 1:3,5-5,6G IF-ED VR)
  • AFS 55-300mm VR – (AF-S DX NIKKOR 55-300mm f/4.5-5.6G ED VR)
  • AFS 70-300mm VR – (AF-S NIKKOR 70-300 mm 1:4,5-5,6G VR)
    Please read here the article and get the NEF files

Causes of reflections

Annoyed about reflections in your images? As I am moving more and more content to my blog, I’ve put together a short article describing some work I did back in 2008 to get a better understanding about this issue. Basically I looked into 6 causes of reflections:

  1. Impact of a filter
  2. How clean is my lens
  3. Impact of lens types
  4. Impact of selected aperture
  5. Position of the light source
  6. Exposure control
    I also included a comparison of 10 lenses with a similar light setup. Just to show the different reflections per lens type.

The tested lenses are:

  1. AFS 14-24mm/2.8G
  2. AFS 17-35mm/2.8
  3. AFS 17-55mm/2.8G (DX)
  4. AF 20-35mm/2.8
  5. AFS 24-70mm/2.8G
  6. AFS 28-70mm/2.8
  7. AFS 18-200mm/3.5-5.6G VR I (DX)
  8. AFS 70-200mm/2.8G Type I
  9. AiS 58mm/1.2 Noct
  10. Zeiss 100mm/2 Macro Planar
    Hope you find the article useful.

First Impressions with the D7000

This posting is a rough translation of several comments I wrote in diverse internet fora about my first impressions with the D7000. The camera arrived on Nov 5th and in the following 3 weeks, I’ve basically “blogged” in the german NFF forum about my experiences with the newly introduced camera. Others from the english speaking community asked about a translated version of this. A good opportunity to start my small project over here. I love to learn and I love to share. Maybe some people find the content useful.

With that, enjoy my first article about the D7000, (watch out it is rather long)