LAKE SUCCESS, N.Y., August 9, 1995<br><br> Canon has expanded its  
current line of EF lenses with the introduction of the EF 28mm f/1.8 
wide angle  lens.  The optical design incorporates a replica aspherical 
lens to improve  image quality and compactness and offers the shortest 
minimum focusing  distance of any lens in its class.<br><br>
	To block unwanted light, one lens group has a flare-cutting 
diaphragm  matching the image size and because the front lens group is 
fixed, further  adjustment of a circular polarizing filter after 
focusing is not necessary.<br><br>
	Designed as a premier lens in the most popular wide angle fixed 
focal  length category, the EF 28mm f/1.8 USM's fast aperture enables 
photographers  to shoot under extreme lighting conditions, while 
providing an opportunity for  faster shutter speeds under normal 
lighting conditions. <br><br>
	The optical design of this model includes a replica aspherical 
lens. Canon has bypassed the expensive process of polishing glass to 
create aspherical glass and replaced it with a special coating technique 
which matches the optical quality of aspherical lenses.  The result is 
an extremely high quality lens at a lower cost than with traditional 
manufacturing methods.<br><br>
	The aspherical design also makes the lens more compact -- less 
than 2-1/4 inches long -- and significantly reduces spherical aberration 
and sagittal  flare.  The lens design provides an extremely close 
focusing distance of less  than 10 inches, the shortest in its class
	Unlike most conventional wide angle lenses, the front lens group 
in the  EF 28mm f/1.8 is fixed and does not rotate during focusing.  As 
a result,  polarizing and special effects filters do not need to be 
adjusted after focusing
	The Canon EF 28mm f/1.8 wide angle lens weighs just 10.9 ounces 
and  measures 2-3/16 inches long. <br><br>

<h3>EF 28mm f/1.8 USM Wide Angle Lens DESIGN SPECIFICATIONS</h3><pre>

Type:			Wide-angle Fixed Focal Length

Construction	10 elements in 9 groups

Angle of View	75<

Minimum Aperture	f/22

Minimum Focusing Distance	9.84 in. (0.25m)

Maximum Magnification	0.18x

Filter Size		58mm

Function		AF, AE Operation, Auto Aperture, Full Aperture
			Metering, Manual focusing also possible.

AF Motor		Ultrasonic Motor (USM)

Diaphragm		Pulse Control EMD (Electromagnetic
			Diaphragm)

Coating		Super Spectra

Length		2-3/16 in. (5.56 cm)

Weight		10.9 oz. (310 g)

Lens Hood		EW-63

Cap			E-58U

Case			ES-C9 (soft)


*Use of an EF 12 or EF 25 extension tube is possible
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