This sigma 18 35mm f 1 8 is an optically superb lens but it s also much bigger and heavier than similar fixed lenses like the superb nikon 35mm f 1 8 dx the 18 35mm zoom range only works out to be equivalent to about 28 55mm on full frame.
													
																	Sigma 18 35mm f1 8 dc hsm full frame. 
								
	
		
	
																	Truly a revolutionary product the sigma 18 35mm 1 8 dc hsm is the first wide angle to standard zoom lens to achieve a large aperture of 1 8. 
																	This lens at its time of manufacturing was considered a game changer due to it being the only standard zoom boasting a constant f 1 8 aperture. 
																	Sigma 18 35mm f1 8 dc hsm is a new generation lens that can deliver images at f1 8 aperture throughout its focal length. 
																	Kudos to sigma for producing a really extraordinary product with the sigma 18 35mm f 1 8 dc hsm art lens. 
															
													
								
	
		
	
																	If it is compared with a lens of f2 8 the faster shutter speed and the shallow depth of field of f1 8 further expands creativity. 
																	If you are fairly certain that you don t have plans to transition to full frame in the near future then i really cannot recommend this lens highly enough. 
																	This all bodes well for the company s latest offering the record breaking 18 35mm f1 8 dc hsm which is the first constant f1 8 slr zoom lens to hit the market. 
																	Sigma 18 35mm f1 8 dc hsm a lens the first and fastest of its kind truly a revolutionary product the sigma 18 35mm 1 8 dc hsm is the first wide angle to standard zoom lens to achieve a large aperture of 1 8. 
															
													
								
	
		
	
																	Not exactly more useful than a fixed lens. 
																	Sigma s choice of f1 8 as maximum aperture isn t a coincidence. 
																	This is an in depth review of the sigma 18 35mm f 1 8 dc hsm art lens world s first constant f 1 8 zoom lens for dslr cameras that was announced in april of 2013. 
																	Designed specifically for aps c sized sensors the sigma 18 35mm 1 8 translates to 27mm 52 5mm on 35mm camera. 
															
													
								
	
		
	
																	The sigma 18 35mm f 1 8 dc hsm art lens is a fast constant aperture wide standard zoom lens made by sigma corporation it was announced april 18 2013. 
																	While this lens is designed to cover only an aps c sized camera sensor this lens mounts and functions on a full frame dslr. 
																	It is well made high quality and useful in so many different situations. 
																	Designed specifically for aps c sized sensors the sigma 18 35mm 1 8 translates to 27mm 52 5mm on 35mm camera. 
															
													
								
	
		
	
																	The sigma 18 35mm f 1 8 dc hsm art lens is a bit of an equalizer in this comparison. 
																	But full frame camera owners do not have a zoom lens wider than f 2 8 available to them. 
																	Despite the recent trend of manufacturers to move their customer base to full frame format sigma took a bold move and announced the professional grade sigma 18 35mm f 1 8 art for. 
																	It means that the lens will offer the same control over depth of field as an f2 8 zoom does on full frame.