Home Donate New Search Gallery How-To Books Links Workshops About Contact 645 Lens 35mm Equivalents It helps me keep adding to this site when you use these links to Adorama, Amazon, B&H, Calumet, Ritz, J&R and eBay to get your goodies. Thanks! Ken.
May 2009 More Pentax Reviews
645 film (56 x 41.5mm) has 2.6 times the area of full-frame 35mm (36 x 24mm), or a 0.62075x crop factor. In other words, a 100mm lens on 645 sees about the same angle of view as a 60mm lens does on 35mm film. Here's the chart:
PLUG top I support my growing family through this website. If you find this as helpful as a book you might have had to buy or a workshop you may have had to take, feel free to help me continue helping everyone. If you've gotten your gear through one of my links or helped otherwise, you're family. It's great people like you who allow me to keep adding to this site full-time. Thanks! If you haven't helped yet, please do, and consider helping me with a gift of $5.00. The biggest help is when you use any of these links when you get anything. It costs you nothing, and is this site's, and thus my family's, biggest source of support. These places always have the best prices and service, which is why I've used them since before this website existed. I recommend them all personally. Thanks for reading!
Ken Home Donate New Search Gallery How-To Books Links Workshops About Contact |