so what are the advantages of a steady F stop rating?

RioRico · 01-31-2011, 02:06 AM

Originally posted by paperbag846

Variable aperture lenses tend to be consumer lenses. It's not the variable aperture that gives it a bad reputation, but the type of lenses you tend to find them in.

So I should have kept my Korean-made M42 Sears 80-200/4 then? Damn! Guess I'll have to dump my Lil'Bigma 170-500/5-6.3 now.

**Ash** · 01-31-2011, 12:57 PM

Rio, they *tend* to be consumer lenses. There are a few obvious exceptions to the rule - the biggest ones I know: the Pentax DA 10-17 (excellent piece of engineering) and the Tamron 10-24.

EricT · 01-31-2011, 01:44 PM

Originally posted by Ash

Rio, they *tend* to be consumer lenses. There are a few obvious exceptions to the rule - the biggest ones I know: the Pentax DA 10-17 (excellent piece of engineering) and the Tamron 10-24.

Not to mention the amazing Olympus zooms, like the 12-60mm f/2.8-4 and the 50-200mm f/2.8-3.5.

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01-31-2011, 02:06 AM	#16
RioRico Veteran Member Join Date: Jun 2008 Location: Limbo, California Posts: 11,263	Originally posted by paperbag846 Variable aperture lenses tend to be consumer lenses. It's not the variable aperture that gives it a bad reputation, but the type of lenses you tend to find them in. So I should have kept my Korean-made M42 Sears 80-200/4 then? Damn! Guess I'll have to dump my Lil'Bigma 170-500/5-6.3 now.

01-31-2011, 12:57 PM	#17
Ash Loyal Site Supporter Join Date: Mar 2007 Location: Toowoomba, Queensland Photos: Gallery \| Albums Posts: 23,920	Rio, they tend to be consumer lenses. There are a few obvious exceptions to the rule - the biggest ones I know: the Pentax DA 10-17 (excellent piece of engineering) and the Tamron 10-24.

01-31-2011, 01:44 PM	#18
EricT Veteran Member Join Date: Sep 2008 Posts: 484	Originally posted by Ash Rio, they tend to be consumer lenses. There are a few obvious exceptions to the rule - the biggest ones I know: the Pentax DA 10-17 (excellent piece of engineering) and the Tamron 10-24. Not to mention the amazing Olympus zooms, like the 12-60mm f/2.8-4 and the 50-200mm f/2.8-3.5.