Author The Rapple 4000 (or Roger designs the perfect camera) | 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.

Equipment

The Rapple 4000 (or Roger designs the perfect camera)

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I had an epiphany of sorts this weekend. I took home the new Schneider 50mm f/2.8 Super Angulon. For those of you not in the loop, this is a 50mm tilt-shift SLR lens made by a company that is best known for it’s Cinema lenses (along with filters, glass, and some other stuff). The point […]

Roger's Corner

58 Lines by 36 Photographers

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I loves me some quotes, so I thought I’d gather up my favorites and share them. I tried to get to 88 lines, wanting to pay tribute to the ultimate 80’s cult band, the Nails (or the less classic “88 lines about 44 Simpsons“). But when the dust settled I only came up with 58 […]

History of Photography

Lens Genealogy Part 1

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In which I begin to answer the question “Why Do You Put the Lens Diagrams on Your Website?” Where do new lens designs come from? I knew that today’s lenses are all designed using computer programs, but  I was surprised to find new lenses aren’t designed from scratch. Designers start with an existing lens design […]

Lenses and Optics

The Apocalypse of Lens Dust

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Apocalypse (from the Greek apokálypsis; “lifting of the veil” or “revelation”): An event involving destruction or damage on an awesome or catastrophic scale. A disclosure of something hidden from the majority of mankind. How appropriate the word apocalypse is for this little article. At least once a week I see a post somewhere from a fairly inexperienced […]

Lenses and Optics

Photo Lenses for Video: There is no Free Lunch.

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SLR video cameras and the newer large sensor video camcorders, are often used with photography lenses — which provide outstanding optics at amazing cost savings compared to lenses specifically designed for film/video. A superb photography lens may cost $2,000; about 1/10 of what a good cinema lens or servo zoom ENG style lens costs. However, […]

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