Hands-On Review: Sigma 45mm f/2.8 DG DN Contemporary Lens
The Sigma 45mm f/2.8 DG DN Contemporary, long awaited and highly anticipated, is a newly developed native lens for full-frame mirrorless cameras.
Photography cheat sheet: Focal lengths explained
May 13, 2023 · Many new DSLRs and mirrorless cameras are usually sold with a lens that typically offers a range of focal lengths between 18mm and 55mm - offering a choice of angles of view from moderate wide-angle to short telephoto, with these camera's APS-C-sized sensor.
Focal Length Comparison: Easy Guide for Beginners
Easy focal length comparison for complete beginners. Discover common focal length types, how they affect your images, and what you should use them for. Find the best focal length for your photos by checking out this comparison.
Understanding Focal Length - Nikon USA
Focal length controls the angle of view and magnification of a photograph. Learn when to use Nikon zoom and prime lenses to best capture your subject.
What Is Focal Length in Photography? A Beginner's Guide
Sep 18, 2023 · The exact definition is: Focal length measures the distance, in millimeters, between the “nodal point” of the lens and the camera’s sensor. “Nodal point” may sound complicated, but it is simply the point where light converges in a lens. Here’s a simple diagram showing the focal length of a lens, based upon this definition:
Nikon Nikkor 45mm f/2.8P – a Classic Pancake Lens Review
Feb 11, 2024 · Focal Length: 45mm full frame (approx. 67.5mm APSC) Aperture: Maximum aperture of f/2.8; Minimum aperture of f/22; 7 rounded blades. Focus: Manual focus only; Minimum focus distance 45 centimeters (17 inches) Dimensions (Diameter x Height): 4.5 x 0.7 inches (114 x 18 mm) Weight: 4.2 oz (119 grams)
What is Focal Length and Angle of View in Photography
Standard focal lengths range from 35mm to 50mm depending on the type of camera sensor. The field of view provided by standard focal lengths approximates the field of view of the human eye. Images taken with a standard focal length show a natural perspective without distortions.
The Versatilite 45mm Lens: Best for Architecture & Portraits
The focal length is perfect for almost any application with edge-to-edge performance and almost distortion-free results. These qualities ensure that the versatility of the 45mm lens is guaranteed. Read on to learn how and why a portrait and an architecture photographer use this lens in their work and what it adds to their photography.
Sigma 45mm f2.8 DG DN review - Digital Camera World
Sep 3, 2019 · With a slightly unusual focal length of 45mm, this lens performs (somewhat unsurprisingly) pretty much like a 50mm. As big fans of the 50mm focal length, we couldn't really tell any discernible difference while shooting.
Sigma 45mm f/2.8 DG DN Lens Review - Shutterbug
Nov 3, 2020 · At first glance, the Sigma 45mm f/2.8 DG DN seems to be a run-of-the-mill, reasonably fast normal lens designed to cover the full frame format. In fact, its 45mm focal length is closer to normal than the classic 50mm, as determined by the diagonal of 24 x 36mm frame, which measures 43.26mm.