Canon EF-S 55-250mm f/4-5.6 IS lens

The Canon EF-S 55-250mm f4-5.6 IS lens is a small, economical and compact lens for those professional and amateur photographers who want reasonable telephoto zoom lens for general purpose. With a long focal length range of 55-250mm, the telephoto zoom lens is equivalent of 88-400mm on full format cameras. The Canon EF-S 55-250mm f4-5.6 IS lens presents Super Spectra coatings for high contrast and accurate color balance and they also reduce flare and ghosting by fascinating unnecessary reflections in the Canon lens. This Canon lens provides an UD (Ultra low – dispersion) glass lens element which corrects chromatic aberration (CA) to obtain sharp, crisp and superb image quality during the zoom range. The Canon EF-S 55-250mm f4-5.6 IS lens produces very sharp images on wide apertures. The latest EF – S telephoto zoom lens delivers superb performance at a reasonable price for all serious and professional photographers.

The Canon EF-S 55-250mm f4-5.6 IS telephoto lens is very similar to the Canon 18-55mm f/3.5 – 5.6 IS lens. The EF-S 55-250mm zoom lens utilizes Micro motor for fast and silent AF speed. Focus and zoom rings are made up of good quality rubber. The Canon camera lens is compatible with EOS digital SLR camera such as the EOS 40D and the EOS Rebel XSi. The lens’ outer barrel is made of plastic which makes it lightweight (13.8 oz / 390 g) lens for its amazing zoom range. The optical 4 – stops image stabilization or image stabilizer (IS) effect compensates with shift camera shake and offers very sharp handheld images at slowest shutter speed. The Canon’s zooms lens has minimal focusing distance of 3.6 ft / 1.1 m (it remains stable during zoom range) with the maximum magnification of 0.34x. The lens has a filter size of 58 mm.

Released in August 2007, the Canon EF-S 55-250mm f4-5.6 IS telephoto zoom lens has an optical construction of 10 groups including 12 elements with 1 UD (Ultra – low dispersion) glass element. The lens has impressive 7 diaphragm blades with maximum and minimum aperture of f/4 – 5.6 and f/22 – 32 respectively. The diagonal, vertical and horizontal angle of view of this wonderful zoom lens are 27°50′ – 6°15′, 15°40′ – 3°30′ and 23°20′ – 5°20′ with APS – C image sensors. The small size which is 108 mm / 4.3 in. in length and 70 mm / 2.8 in. in diameter makes it more comfortable to handle and carry.  Canon EF-S 55-250mm f4-5.6 IS lens delivers smooth and fantastic background blur quality with its amazing circular aperture blades.

Specifications of Canon EF-S 55-250mm f4-5.6 IS lens

  • Name – Canon EF – S 55-250mm f/4.5.6 IS lens
  • Releasing Date – August , 2007
  • Camera Mount type  – Canon EF – S
  • Lens type – telephoto zoom macro
  • Focus details – AF (DC motor), with manual focus option
  • Maximum format size – 35 mm full frame
  • Features – Image stabilization, autofocus
  • Focal length range – 55-250 mm
  • APS equivalent – 1.6x : 88 – 400 mm
  • Image Stabilization – 4 stops
  • Accessories – ET – 73 lens hood, Front and rear caps, Lens case LP1219
  • Optional accessories – lens hood (ET – 60), lens case (LP1019)
  •   Dimensions – 4.3 inches x 2.8 inches (108 mm diameter x 70 mm length)
  • Maximum aperture – f/4 – 5.6
  • Minimum aperture – f/22 – 32
  • Number of diaphragm blades – 7 (circular)
  • Lens construction – 12 elements in 10 groups, including 1 UD (ultra – low dispersion) lens glass element
  • Weight – 13.8  oz (390 g)
  • AF motor type – micro motor
  • Focus ring rotation – 81°
  • Diagonal angle of view – 27°50′ – 6°15′
  • Horizontal angle of view – 23°20′ – 5°20′
  • Vertical angle of view – 15°40′ – 3°30′
  • Filter size – 58 mm

Canon EF 50mm f/1.8 II Lens

Canon EF 50mm f/1.8 II lens is the shortest and lightest EF lens specially designed for Canon EOS system. The lens provides just about 80 mm field of view when attached with the digital SLR camera. With the fast aperture of f/1.8, the 50mm standard lens is an excellent lens for those people who prefer sharp performance and a fixed focal length. The Canon EF 50mm f/1.8 II standard lens uses traditional micro motor not including FTM (full – time manual) focusing. The AF (autofocus) seems to be very fast. The Canon EF 50mm f/1.8 II lens utilizes linear extension system for focusing (it is very similar to extension tubes). An excellent sharpness is the main key feature of Canon EF 50mm f/1.8 II lens. This lens is a bit sharper than the Canon EF 24 – 70mm f/2/8 L USM Lens.

Released in December 1990, the lens performs well in low light conditions. The Canon EF 50mm f/1.8 II lens replaced its previous version Canon EF 50mm f/1.8 lens. The lens comes with a plastic lens mount not including IR focusing, manual focusing ring and a distance scale. The front lens element does not rotate thus it is easy to use polarizing filters.  The Canon EF 50mm f/1.8 II lens is a relatively low cost lens with a minimum focusing distance of 1.5 ft / 0.45 m providing impressive maximum magnification of 0.15x. Because of its sharp quality and inexpensiveness, it is also called “plastic fantastic” and “nifty fifty”. The standard prime lens attributes 8 diaphragm blades and a filter size of 52 mm.

The optical construction of the Canon EF 50mm f/1.8 II lens includes 5 groups containing 6 elements without any extra element. The lens is very lightweight at just 130 g / 4.6 oz and it is also extremely compact with small size of 1.6 inches / 41 mm in length and 2.7 inches / 68 mm in diameter. Build quality, Color balance and Contrast are decent. The diagonal, horizontal and vertical angle of view of this standard prime lens are 46°, 40° and 27°. CA (chromatic aberration) is negligible. The Canon EF 50mm f/1.8 II lens is least expensive compared to Canon EF 50mm f/1.4 USM lens. The lens has an attractive and unique look.

Specifications of Canon EF 50mm f/1.8 II lens

  • Name – Canon EF 50mm f/1.8 II Lens
  • Lens type – standard prime lens
  • Image Circle – 35 mm
  • Focal Length Range – 50 mm
  • Aperture Range – f/1.8/16
  • Maximum aperture range – f/1.8
  • Minimum aperture range – f/16
  • Number of Aperture Blades – 8
  • Lens construction – 5 Groups, 6 Elements not including any extra elements
  • Closest focusing distance – 0.45 cm/ 1.5 ft
  • AF Motor type – Micro USM (Ultrasonic Motor)
  • Focus Ring Rotation – 77°
  • Maximum Magnification – 0.15x
  • Diagonal angle of view – 46°
  • Vertical angle of view – 27°
  • Horizontal angle of view – 40°
  • APS Equivalent – 80 mm
  • Dimensions – 41 mm x 68 mm (1.6 inches x 2.7 inches)
  • Filter diameter – 52 mm (Non-Rotating)
  • Manufacturer Specification Weight – 4.6 oz (130 g)
  • Focus extension length – 0.32 inches
  • Max Length at full extension – 2.61 inches

Canon EF 85mm f/1.2 L USM Lens

Introduced in September 1989, the Canon EF 85mm f/1.2L USM lens is one of the greatest telephoto prime lenses with  large aperture of f/1.2, notable focus length range of 85mm and superior build quality. The body and mount of Canon EF 85mm f/1.2L USM lens are constructed with metal. EF 85mm f/1.2L USM lens is intimately comparable with Canon EF 85mm f/1.8 USM lens. The telephoto lens is similar to Canon EF 85mm f/1.8 USM lens in sharpness and it performs very well with wide aperture and low light situations. The Canon EF 85mm f/1.2L USM lens uses a ring type USM (Ultra Sonic motor) to attain quick, fast, accurate and silent autofocus. Moreover, FTP (full time manual) focus is available in this telephoto lens.

The minimum focusing distance and maximum magnification of this lens is 0.95 m / 3.1 ft and o.11x in that order. The lens has a floating optical system with one aspherical element to reduce aberrations and make sure an excellent and accurate image performance. It also corrects comma for superb picture quality. The horizontal angle of view of the prime lens is 24°, vertical angle of view is 16° and by diagonally, it is 28°30′.

Optically, the construction of the lens is made of seven groups with 8 element including 1 aspherical element and 2 high refraction elements. With the help of these aspherical and high – refraction elements, the telephoto prime lens produces very sharp and clear picture quality. There are 8 diaphragm blades and it accepts filter size of 72 mm. high quality plastic and metal is used in outer barrel and mount respectively. The Canon EF 85mm f/1.2L USM lens produces an excellent background blur quality with an amazing focus length range. The lens’ front element does not rotate but it extends when zooming or focusing. AF (autofocus) speed is pretty quiet and fast. The camera lens is protected from moisture and dust. The 85mm lens weighs 2.3 lb / 1.025 kg and measures 84 mm in length x 91 mm in diameter (3.3 inches x 3.6 inches).

Specification of Canon EF 85mm f/1.2L USM lens

  • Name – Canon EF 85mm f/1.2 L USM Lens
  • Release date – September, 1989
  • AF (Autofocus) Motor type – Ring USM (Ultrasonic Motor)
  • Lens type – telephoto prime lens
  • APS Equivalent – 136 mm
  • Focal Length Range – 85 mm
  • Diagonal angle of view – 28° – 30’
  • Vertical angle of view – 16°
  • Horizontal angle of view – 24°
  • Dimensions –   3.3 inches x 3.6 inches (84 mm x 91 mm)
  • Image circle – 35 mm
  • Lens construction – 7 groups including 8 elements including one aspherical element
  • Closest focusing distance – 3.1 ft (0.95 m)
  • Filter size – 72 mm
  • Focus adjustment – Inner focusing system with USM (Ultrasonic motor)
  • Minimum aperture range – f/16 (long)
  • Maximum aperture range – f/1.2 (wide)
  • Number of aperture blades – eight
  • Manufacturer specification weight – 36.2 oz (1.025 g)
  • Lens hood model – ES – 79 II
  • Maximum Magnification (MM) – 0.11x
  • Focusing type – Internal