topic Re: Lens Aperture Design AKA "Outies" in EF & RF Lenses

Lens Aperture Design AKA "Outies"

Tonygreenmike19 — Wed, 05 Feb 2025 13:12:30 GMT

After the RF 85mm F1.2L USM, the other lenses such RF 135mm F1.8, RF 24-105mm F2.8L USM Z etc. do not have the "Innie #aperture #diaphragm"..The current line up of lenses have the outie. Yes, I love the Innies more than Outies. Apart from aesthetics, does the outie give any optical advantage in image quality versus the innies? Why Canon is making lenses with outies? Thanks

Re: Outies

normadel — Wed, 05 Feb 2025 06:03:57 GMT

What in the world are you talking about?

Re: Outies

shadowsports — Wed, 05 Feb 2025 06:24:39 GMT

Apparently he's bothered by the way the aperture closes, and which direction overlap occurs.

Re: Lens Aperture Design AKA "Outies"

ebiggs1 — Wed, 05 Feb 2025 15:19:01 GMT

??????????🙄

Re: Lens Aperture Design AKA "Outies"

FloridaDrafter — Wed, 05 Feb 2025 21:53:56 GMT

It's purely aesthetic to the user. It makes no difference in IQ or functionality which way the aperture blades are curved, be it inwards or outwards.

As to why Canon makes either type, only Canon engineers know that 🤔

Newton

Re: Lens Aperture Design AKA "Outies"

Tonygreenmike19 — Wed, 05 Feb 2025 22:02:40 GMT

Yes...aesthetically the innies look better than outies. Back in the 90s Nikon's 135 DC had the outie, but its little brother 105 DC at the same time had an innie. I am just intrigued why the manufacturers prefer one over the other. Yeah, If I could reach out to any techies at Canon it might help. Cheers.

Re: Outies

Tonygreenmike19 — Wed, 05 Feb 2025 22:04:50 GMT

Thanks for saving my time in explaining. Anyways, the ambiguity in my post is regretted. Cheers.

Re: Lens Aperture Design AKA "Outies"

justadude — Thu, 06 Feb 2025 14:40:39 GMT

"Yeah, If I could reach out to any techies at Canon it might help."

If you are that curious, I suggest you do exactly that. Call Canon Tech Support and ask them. It might give them a laugh, and you the answer you are looking for. https://www.usa.canon.com/support

Re: Lens Aperture Design AKA "Outies"

normadel — Thu, 06 Feb 2025 17:53:18 GMT

Is it April 1st? I don't believe this is really a thing.

Re: Lens Aperture Design AKA "Outies"

Tonygreenmike19 — Fri, 07 Feb 2025 14:45:54 GMT

'I don't believe this " - which one ?

Re: Lens Aperture Design AKA "Outies"

normadel — Fri, 07 Feb 2025 16:50:39 GMT

The original post. No, wait. The whole conversation

Re: Lens Aperture Design AKA "Outies"

Tonygreenmike19 — Thu, 13 Feb 2025 07:46:55 GMT

Thanks for the link. I don't think there is anything to laugh. My queriosity is about lens construction.

Re: Lens Aperture Design AKA "Outies"

justadude — Thu, 13 Feb 2025 15:56:08 GMT

@Tonygreenmike19 wrote:

Thanks for the link. I don't think there is anything to laugh. My queriosity is about lens construction.

I spent a few years as a Client Service Representative. I'm not making fun of your question... I do understand what you are asking. My comment was based on the fact that we would often get a laugh out of "I've never been asked that before!" even on serious questions. It's refreshing (in a good way) to be asked something different instead of the usual often repeated questions.

Re: Lens Aperture Design AKA "Outies"

Tonygreenmike19 — Sat, 15 Feb 2025 10:06:37 GMT

My bad. The misunderstanding is regretted. Yes Gary, you are right, certain things/moments/instances in life make us smile and somethings make us laugh...like how I laughed at myself for my misunderstanding. Cheers. BTW, I visited the link you shared, but I am unable to locate an expert or techie. It has support links to various products, I chose EOS lenses and then RF and I chose 135mm which I am using now. It takes me to FAQs, error codes, technical specifications, Warranty info, service upgrades, lens caps and ADDITIONAL SUPPORT has How-To Videos,Canon Community and Knowledge Base, for further help it is asking us to register our product. I am in India and I have already registered my product at the respective portal. I am not sure how I sould reach a techie for queries such as mine. Thank you.

Re: Lens Aperture Design AKA "Outies"

MikeSowsun — Sat, 15 Feb 2025 14:12:15 GMT

I guess we are talking about how the aperture blades are overlapped?

Re: Lens Aperture Design AKA "Outies"

ebiggs1 — Sat, 15 Feb 2025 16:35:46 GMT

"I guess we are talking about how the aperture blades are overlapped?"

I can't believe any of you are talking about it at all. Must be a slow, a real slow morning.

Re: Lens Aperture Design AKA "Outies"

justadude — Sat, 15 Feb 2025 20:46:29 GMT

"I can't believe any of you are talking about it at all. Must be a slow, a real slow morning."

I was up alone, my wife was sleeping in. Finished my book. Waiting for my son to call. Had time to kill for 20 minutes. So.... 😄

Re: Lens Aperture Design AKA "Outies"

ebiggs1 — Sun, 16 Feb 2025 15:44:39 GMT

Not the worst thing you could have done I guess.

Re: Lens Aperture Design AKA "Outies"

Tonygreenmike19 — Mon, 17 Feb 2025 19:53:48 GMT

Indeed. Thanks for sharing the picture which shows the difference. I have been curious about this overlapping pattern ever since I started using Nikon FM10 (1999) with its 35-70mm lens. I am more partial towards the Innies (like the one in RF85mm f1.2), because it looks more appealing aesthetically.

Re: Lens Aperture Design AKA "Outies"

Stephen — Mon, 17 Feb 2025 20:15:21 GMT

I agree 100%. If I were a phone agent and someone asked me, "What criteria makes you guys pick an innie aperture design over an outie?" I would literally laugh out loud because, first off, what in the world are you even talking about? 😂

Once we're on the same page, you can call me Elmer Fudd because I'm hunting rabbits and going down ALL the rabbit holes to figure it out!