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Painter · 03-21-2013, 11:43 AM

My latest lens repurposing for the Q this one is a 40mm or maybe it was a 38mm

All the samples and images are here Pentax Q 40mm homebrew telephoto | Wallace Koopmans Artlog

VisualDarkness · 03-21-2013, 02:26 PM

That's some fun experimenting! Impressive how you manage to go from a toy lens to almost up to par with a professionally manufactured compact camera, if only the aberations was slightly lower. Can you guess the aperture?

Painter · 03-21-2013, 10:00 PM

Originally posted by VisualDarkness

That's some fun experimenting! Impressive how you manage to go from a toy lens to almost up to par with a professionally manufactured compact camera, if only the aberations was slightly lower. Can you guess the aperture?

The intermediate aperture took it to about f5.6 so I believe it's at about 6.3 now but I will have to do some testing which I actually plan on because I want to determine if there is more to be gained.

Painter · 03-23-2013, 09:29 AM

03-21-2013, 11:43 AM	#1
Painter Veteran Member Join Date: Jun 2008 Location: Canada Photos: Gallery Posts: 348	Pentax Q home brew My latest lens repurposing for the Q this one is a 40mm or maybe it was a 38mm All the samples and images are here Pentax Q 40mm homebrew telephoto \| Wallace Koopmans Artlog

03-23-2013, 09:29 AM	#4
Painter Veteran Member Join Date: Jun 2008 Location: Canada Photos: Gallery Posts: 348 Original Poster	Some images from the home brew 40mm telephoto

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03-21-2013, 02:26 PM	#2
VisualDarkness Veteran Member Join Date: Nov 2011 Location: Uppsala, Sweden Photos: Gallery Posts: 4,439	That's some fun experimenting! Impressive how you manage to go from a toy lens to almost up to par with a professionally manufactured compact camera, if only the aberations was slightly lower. Can you guess the aperture?

03-21-2013, 10:00 PM	#3
Painter Veteran Member Join Date: Jun 2008 Location: Canada Photos: Gallery Posts: 348 Original Poster	Originally posted by VisualDarkness That's some fun experimenting! Impressive how you manage to go from a toy lens to almost up to par with a professionally manufactured compact camera, if only the aberations was slightly lower. Can you guess the aperture? The intermediate aperture took it to about f5.6 so I believe it's at about 6.3 now but I will have to do some testing which I actually plan on because I want to determine if there is more to be gained.

Pentax Q home brew

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