Author Disruption and Innovation | Lensrentals Blog

I'm Roger and I am the founder of Lensrentals.com. Hailed as one of the optic nerds here, I enjoy shooting collimated light through 30X microscope objectives in my spare time. When I do take real pictures I like using something different: a Medium format, or Pentax K1, or a Sony RX1R.

Roger's Corner

Disruption and Innovation

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This is a long article, meant to be read at your leisure.  You better start swimmin’ or you’ll sink like a stone For the times they are a-changin’.       Bob Dylan Technology changes tend to be of two types: incremental improvements or disruptive innovations. Incremental improvements allow one manufacturer to take market share from another […]

Teardowns and Disassembly

The A7R teardown: A look inside Sony’s awesome full-frame mirrorless camera

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The usual warnings apply: Do not try this at home. This post was made by semi-trained, semi-professional repair technicians who sort of know what they’re doing. The following blog post contains graphic images of the inside of a very nice camera. If such things make you squeamish, don’t read further.  No cameras were harmed in […]

Lenses and Optics

Tamron 150-600 Telezoom Shootout

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There’s been a lot of interest in the newly released Tamron 150-600mm f/5-6.3 SP Di VC USD lens. (For those wondering what the initials mean, VC means vibration compensation, the others all read ‘marketing drivel’.) But meaningless initials or not, with a price under $1,100, a superior range, and vibration compensation, this lens has created a lot […]

Equipment

Assumptions, Expectations, and Plastic Mounts

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Photography companies love catchword marketing. They like catchwords because photographers make assumptions about what those words mean, even though the words really don’t mean anything. So basically, they say nothing, but it makes you believe something. Two of my favorite examples are “professional quality construction” and “weather resistance”.  When I read those terms, my brain […]

Lenses and Optics

A Bit of A7R Sanity

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A while back I wrote a post I humbly called Roger’s Law of New Product Introduction, complete with the graph shown below. The release of the Sony A7R has demonstrated the accuracy of that post as few other releases have. A few weeks after the A7R release we seem to be following the path quite […]

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