70-210 mm f/4.0-5.6 Manual Focus Zoom Lens w/Macro for Canon FD

70-210 mm f/4.0-5.6 Manual Focus Zoom Lens w/Macro for Canon FD

This well-designed telephoto zoom effectively covers the most frequently used ranges. It’s light (only 12 oz.) and short (3.4 inches) with a filter diameter of 52mm, making it a true ultra-compact zoom. Best of all, it delivers exceptional performance in situations demanding ease of maneuverability. Without eliminating distance and depth-of-field markings, it uses a two-ring rotary zoom/focus system ideal for autofocus cameras, with the zoom and focus rings widened for improved operation.

Price: $64.76 Buy/More Info

EF 28-200 mm f/3.5-5.6 USM Lens

EF 28-200 mm f/3.5-5.6 USM Lens

A handy, compact zoom lens for versatile and easy subject selection while travelling, etc. The highest optical performance in its class, plus the convenience of focusing up to 17.7″ over the entire zooming range. The micro USM drive provides silent, high-speed autofocusing, plus the wide zooming range provides an easy, enjoyable picture-taking experience. Main FeaturesManufacturer: CanonManufacturer Part Number: 6470A006Manufacturer Website Address: www.canonusa.comProduct Type: Zoom LensFocal Length: 28mm to 200mmAperture Range: f/3.5 to 5.6 Dimensions: 3.1″ Diameter x 3.5″ LengthWeight: 17.6 oz Compatibility: Canon EOS Cameras

Price: $447.05 Buy/More Info

Photography Tutorials – Aperture explained in plain non techy english

The term ‘aperture’ refers to the opening in the lens that lets light into the camera. Adjusting the aperture value changes the size (diameter) of the aperture, which will affect the amount of light that reaches the imaging sensor in the camera (the digital camera equivalent of film).