 STEVE MOLITOR |
What lenses do you recommend for digital? I have just gone from a Pentax zx-30 film camera to a K7. The lens that I used is a Tokina AT-X-PRO 28-80mm 1:2.8 which I have been told would be a 42-120mm on my K-7? I liked the results on my old film camera with this lens. My question is that I would like some input on what lenses to purchase on line? I like to take out door shots. I live in the mountains and do a lot of hiking and see some really nice photo opportunities.Also I feel I am beginner to 1 and would like advise on which on line class to take. Thanks in advance for any input
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Jon Close |
The digital sensor for the K-7 (and other Pentax DSLRs) is smaller than the film frame for 35mm: 15.6mm x 23.4mm v. 24mm x 36mm. Thus the K-7 captures a narrower angle of view with your 28-80 lens than you got with your ZX-30. Your 28-80 f/2.8 is still a terrific lens and it can be used on the K-7, but its focal length range is not as useful. You're right that it is equivalent to using a 42-120 on the ZX-30. To have the same wide-angle to moderate tele range the 28-80 gave you on the film camera requires an 18-50 zoom. Pentax makes a very good SMPC DA* 16-50 f/2.8 ED AL SDM for about $750. (Prices USD at typical online stores) Also very good are the Sigma 18-50 f/2.8 EX DC Macro and Tamron 17-50 f/2.8 XR Di II for $420-$450.
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STEVE MOLITOR |
Jon; Thank you for your input. Much appreciated. This is the first Q&A that I have used, and I can already tell that I am going to enjoy the better photo.com, and communicating with other photographers. Thanks again Steve
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doug Nelson |
Buy at least one prime lens. For a hiker and outdoorsman, I suggest the extremely compact DA 21mm f 3.2. It tucks away under the prism housing, and will save a lot of pack space and weight. Photo here: http://www.dougnelsonphoto.com/-/dougnelsonphoto/detail.php?photoID=7498741 Also, be aware that manual focus Pentax KA series lenses will give you auto aperture operation (use the real control wheel to set aperture), and manual focus with an electronic focus aid. I love the KA 50mm f 1.7 (about $50!) as a 75-equiv lens for picking out parts of a scene.
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STEVE MOLITOR |
Thanks for the info. I really like the size of the DA 21mm f3.2. I forgot how heavy the Tokina was when hiking. Thanks again Steve
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