Summer Start

by VonSchnauzer

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4
votes
2answers
149 views

Are older macro lenses soft at long focus distances?

I have an old (20+ years old) Nikon mount Sigma 50mm f/2.8 macro lens with a 2X Tamron teleconverter that I use on my Canon body. When taking macro (1:1) or general close-up shots, the lens is very ...
3
votes
4answers
856 views

Can different metering modes affect sharpness for a m42 prime lens?

Recently, I got some old m42 prime lens from Ebay and started playing with them with my Canon T3i/600d. However, it's difficult to get sharp pictures with these manual focus lens as there is no AF ...
8
votes
4answers
831 views

Why buy an intentionally soft lens?

While reading some reviews of older lenses, I keep reading "It's soft wide open, but that's not always a problem with portraits." Over my rather short time in photography thus far, I've come to ...
12
votes
4answers
685 views

Is there a noticable difference in sharpness between a 1.8 lens and a 2.8 of similar design?

I recently bought a second-hand Carl Zeiss Jena PANCOLAR MC 1.8/50mm Lens off eBay (still waiting for it to arrive though) and am going to mount it to my Canon 7D via a M42 adaptor. I primarily shoot ...
7
votes
4answers
465 views

Were lenses for film designed to focus different colors at different depths, and what does that mean for digital?

I was reading the book Adobe Photoshop CS5 for Photographers: The Ultimate Workshop by Martin Evening & Jeff Schewe (Focal Press. 2011) and read this paragraph about film lenses and DSLRs: … ...