Q&A: Aperture and blur, convention lenses, canon flash, and Gary Fong...
More question and answer time! I answered this question before the last one I posted, but didn’t get around to posting this one. question. having worked with a number of nice lenses, how big a...
View ArticleLens Review: Pentax DA 18-55mm F3.5-5.6 AL
This lens was available from 2004 until around 2008 as the primary kit lens for Pentax DSLRs. Currently you can find it around at used camera lens sites like KEH or auction sites like eBay. It’s easy...
View ArticleQ&A: Help me find a quality normal prime lens?
Already another question and answer post! Keep them coming. Sharing information is a great way for everyone to learn. Edit: I have to say, I like the way he thinks. Why waste money on an inferior lens...
View ArticleCamera Lens Aperture Overview
Here is another learning series article and video. This time I go over the camera lens aperture. Youtube video link: The camera lens aperture is the variable opening inside the lens that lets more or...
View ArticleQuick Pentax Lens Test: Parfocal or Varifocal?
I did a quick test on three lenses that I have to see if they are Parfocal or Varifocal. If you are unfamiliar with those terms, Parfocal is a type of zoom lens that does not have focus shift when the...
View ArticleDA* 300mm and Kenko 1.5x Pz AF at the Airshow Absolute Sharpness
I had a request to provide unprocessed full resolution images from the airshow I went to recently where I used the K-5, DA* 300mm f4, and Kenko 1.5x Pz AF teleconverter together. I’ll be providing a...
View ArticleMy thoughts on the Pentax Q
If you haven’t noticed, Pentax will be joining the small sized mirror-less interchangeable lens camera club. There is a lot of information out for the camera excluding sample photos. Here are a few...
View ArticleYongnuo 100mm f2 Lens Details
I recently made a video about firmware v1.03. There are improvements in auto-focus performance, especially in live-view mode. Here is a link to full sized example photos on Flickr: Flickr Gallery Link...
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