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Photofocus Episode 69
Host: Scott Bourne (www.scottbourne.com or www.twitter.com/scottbourne) and special guest Matthew Jordan Smith (http://matthewjordansmith.blogspot.com/)
Show notes by Bruce Clarke (www.momentsindigital.com or www.twitter.com/bruceclarke)
Welcome to Episode Number 69 of Photofocus with Scott Bourne and special guest Matthew Jodan Smith. Photofocus is the show devoted to your questions about anything photography related including gear, technique, locations, etc. Your questions will shape the direction of this show so be sure to send your questions to firstname.lastname@example.org. We will try to answer as many as we can but we get a lot of questions so we’ll try to take a collection of questions that represent a particular topic and present them together.
This week we kick things off with a listener looking for thoughts on selecting lenses based on crop factors:
Question One – Selecting Lenses Based on Crop Factors
Should photographers with a cropped sensor DSLRs follow the same “guidelines or pro recommendations” as full frames DSLR photographers when choosing a lens? Should we convert focal length using the crop factor then make our decision regarding what focal length suits our needs? Merci, Marc Archambault Montreal Canada
Matthew: Yes you should as it gives you somewhat of a guide. It will put you in the ballpark but it’s not exact. I will shoot based on what I feel.
Scott: The main thing is what are you trying to accomplish. These rules don’t really apply anymore. If I want to shoot with an 85 and I throw it on a crop sensor camera, I don’t worry about it too much.
Question Two – Shooting Landscapes with a Fisheye
I have just ordered a Fisheye lens and was wondering if you had any tips for good landscape or interesting shots. I understand the basic formula, that if you have the horizon in the centre of the frame, it will remain relatively straight. And shoot at F8 ish and almost everything will be in focus. David Wingate from Wimbledon Uk
Scott: Those are two great beginning tips. The wider angle the lens, the less depth of field matters. If you have a super wide angle lens you’d be surprised at what is in focus. Fisheye lenses are best if you can keep the plane of focus parallel with the subject. I like to work with really prominent foreground objects.
Matthew: I used to shoot with them but haven’t used one in awhile.
Question Three – Compression in TIFF Files
I was wondering if you could explain the different compression in regards to tiff files. Am using Aperture and not sure if I should use zip, lzw or none. I do allot of portrait retouching so I use 16 bit files and would like to keep the best quality file. George Vivanco form Long Beach, Ca
Scott: I’ll keep it short and simple. You should use no compression. A Tiff file is already a lossless file without compression.
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