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vivaldibow
Joined: 23 Jun 2018
Posts: 837
Expire: 2021-03-09
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 Posted: Sat May 18, 2019 11:17 pm Post subject: Spiratone 20mm f/2.8 |
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vivaldibow wrote:
Quite small a lens compared to Vivitar 20mm f/3.8. Sharpness wide open is good, not too excited. Have some test shots below. Sorry for the boring flowers. Ultrawide should have better use.
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cooltouch
Joined: 15 Jan 2009
Posts: 9097
Location: Houston, Texas
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vivaldibow
Joined: 23 Jun 2018
Posts: 837
Expire: 2021-03-09
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| Posted: Sun May 19, 2019 5:22 am Post subject: |
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vivaldibow wrote:
| cooltouch wrote: |
| Very nice. Very clear. What camera were you using? |
Thanks. Sony A7ii, all default settings. |
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55
Joined: 13 May 2013
Posts: 709
Location: U.S.
Expire: 2022-06-15
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| Posted: Sun May 19, 2019 6:22 pm Post subject: Re: Spiratone 20mm f/2.8 |
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55 wrote:
| vivaldibow wrote: |
| Quite small a lens compared to Vivitar 20mm f/3.8 . . . |
Indeed, I've always been surprised at how compact the Spiratone is. Neither my Spiratone 20 nor Vivitar 20 are sharp enough for landscapes, but I enjoy them both for their close focusing abilities.
| vivaldibow wrote: |
| . . . Sorry for the boring flowers. |
Bite your tongue! 
Flowers are a priceless gift and shouldn't be taken for granted. I think. 
Thanks for the photos. |
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vivaldibow
Joined: 23 Jun 2018
Posts: 837
Expire: 2021-03-09
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| Posted: Sun May 19, 2019 10:43 pm Post subject: Re: Spiratone 20mm f/2.8 |
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vivaldibow wrote:
| 55 wrote: |
| vivaldibow wrote: |
| Quite small a lens compared to Vivitar 20mm f/3.8 . . . |
Indeed, I've always been surprised at how compact the Spiratone is. Neither my Spiratone 20 nor Vivitar 20 are sharp enough for landscapes, but I enjoy them both for their close focusing abilities.
| vivaldibow wrote: |
| . . . Sorry for the boring flowers. |
Bite your tongue!
Flowers are a priceless gift and shouldn't be taken for granted. I think.
Thanks for the photos. |
Thanks. Well said. I actually didn't mean flowers are boring; otherwise I wouldn't shoot them. I meant I coundn't go anywhere but shoot flowers in my backyard...
Vivitar 20mm f/3.8 seems a little sharper wide open but it is probably not a fair comparison as this Spiratone/Mitake has f/2.8. |
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55
Joined: 13 May 2013
Posts: 709
Location: U.S.
Expire: 2022-06-15
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| Posted: Mon May 20, 2019 12:48 am Post subject: Re: Spiratone 20mm f/2.8 |
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55 wrote:
| vivaldibow wrote: |
Thanks. Well said. I actually didn't mean flowers are boring; otherwise I wouldn't shoot them. I meant I coundn't go anywhere but shoot flowers in my backyard...
Vivitar 20mm f/3.8 seems a little sharper wide open but it is probably not a fair comparison as this Spiratone/Mitake has f/2.8. |
Okay. Got it.
That's interesting about your lenses. I tend to think of my Spiratone as being sharper than my Vivitar.
I should compare them. |
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visualopsins
Joined: 05 Mar 2009
Posts: 10541
Location: California
Expire: 2025-04-11
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| Posted: Mon May 20, 2019 1:31 am Post subject: |
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visualopsins wrote:
We have a winner! Any photos of lens?
_________________
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Cameras: Sony ILCE-7RM2, Spotmatics II, F, and ESII, Nikon P4
Lenses:
M42 Asahi Optical Co., Takumar 1:4 f=35mm, 1:2 f=58mm (Sonnar), 1:2.4 f=58mm (Heliar), 1:2.2 f=55mm (Gaussian), 1:2.8 f=105mm (Model I), 1:2.8/105 (Model II), 1:5.6/200, Tele-Takumar 1:5.6/200, 1:6.3/300, Macro-Takumar 1:4/50, Auto-Takumar 1:2.3 f=35, 1:1.8 f=55mm, 1:2.2 f=55mm, Super-TAKUMAR 1:3.5/28 (fat), 1:2/35 (Fat), 1:1.4/50 (8-element), Super-Multi-Coated Fisheye-TAKUMAR 1:4/17, Super-Multi-Coated TAKUMAR 1:4.5/20, 1:3.5/24, 1:3.5/28, 1:2/35, 1:3.5/35, 1:1.8/85, 1:1.9/85 1:2.8/105, 1:3.5/135, 1:2.5/135 (II), 1:4/150, 1:4/200, 1:4/300, 1:4.5/500, Super-Multi-Coated Macro-TAKUMAR 1:4/50, 1:4/100, Super-Multi-Coated Bellows-TAKUMAR 1:4/100, SMC TAKUMAR 1:1.4/50, 1:1.8/55
M42 Carl Zeiss Jena Flektogon 2.4/35
Contax Carl Zeiss Vario-Sonnar T* 28-70mm F3.5-4.5
Pentax K-mount SMC PENTAX ZOOM 1:3.5 35~105mm, SMC PENTAX ZOOM 1:4 45~125mm
Nikon Micro-NIKKOR-P-C Auto 1:3.5 f=55mm, NIKKOR-P Auto 105mm f/2.5 Pre-AI (Sonnar), Micro-NIKKOR 105mm 1:4 AI, NIKKOR AI-S 35-135mm f/3,5-4,5
Tamron SP 17mm f/3.5 (51B), Tamron SP 17mm f/3.5 (51BB), SP 500mm f/8 (55BB), SP 70-210mm f/3.5 (19AH)
Vivitar 100mm 1:2.8 MC 1:1 Macro Telephoto (Kiron)
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vivaldibow
Joined: 23 Jun 2018
Posts: 837
Expire: 2021-03-09
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| Posted: Mon May 20, 2019 5:45 am Post subject: Re: Spiratone 20mm f/2.8 |
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vivaldibow wrote:
| 55 wrote: |
| vivaldibow wrote: |
Thanks. Well said. I actually didn't mean flowers are boring; otherwise I wouldn't shoot them. I meant I coundn't go anywhere but shoot flowers in my backyard...
Vivitar 20mm f/3.8 seems a little sharper wide open but it is probably not a fair comparison as this Spiratone/Mitake has f/2.8. |
Okay. Got it.
That's interesting about your lenses. I tend to think of my Spiratone as being sharper than my Vivitar.
I should compare them. |
I should say it is only my initial impression. As I put Vivitar 20mm f/3.8 on the camera, Sony's focus peaking shows very strong peaking patterns; while the Spiratone didn't show. Same here, probably need a more comprehensive comparison. I have yet compared with Vivitar 21mm f/3.8, which is said to be less sharper than the 20mm. |
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vivaldibow
Joined: 23 Jun 2018
Posts: 837
Expire: 2021-03-09
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| Posted: Mon May 20, 2019 5:46 am Post subject: |
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vivaldibow wrote:
| visualopsins wrote: |
| We have a winner! Any photos of lens? |
Here are the lens photos taken with my iphone.
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55
Joined: 13 May 2013
Posts: 709
Location: U.S.
Expire: 2022-06-15
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| Posted: Wed May 22, 2019 5:11 pm Post subject: |
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55 wrote:
A couple days ago I was out with my Spiratone 20 admiring a Rhododendron blossom. Here's a sample at f/2.8, un-cropped and then cropped.
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This was with Sony A7ii default JPEG settings. I was pleasantly surprised at the sharpness wide open. Getting the bumble bee (more or less) in focus was just good luck. |
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jamaeolus
Joined: 19 Mar 2014
Posts: 2931
Location: Eugene
Expire: 2015-08-20
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| Posted: Thu May 23, 2019 12:59 am Post subject: |
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jamaeolus wrote:
I love rhodies. They are just glorious flowers.
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vivaldibow
Joined: 23 Jun 2018
Posts: 837
Expire: 2021-03-09
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| Posted: Thu May 23, 2019 4:35 am Post subject: |
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vivaldibow wrote:
| 55 wrote: |
A couple days ago I was out with my Spiratone 20 admiring a Rhododendron blossom. Here's a sample at f/2.8, un-cropped and then cropped.
#1
#2
This was with Sony A7ii default JPEG settings. I was pleasantly surprised at the sharpness wide open. Getting the bumble bee (more or less) in focus was just good luck. |
Nice ones. We have the same Rhoddie. The bee photo is very interesting. |
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55
Joined: 13 May 2013
Posts: 709
Location: U.S.
Expire: 2022-06-15
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| Posted: Thu May 23, 2019 4:24 pm Post subject: |
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55 wrote:
Thanks. It's a delightful time of year with so many beautiful things blooming and buzzing about! |
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