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Volker Betz's Photo Gallery

H0J-T5RStilbite, Epidote : {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH), Quartz : SiO2

Strzegom, Świdnica District, Strzegom-Sobótka Massif, Lower Silesia, Poland

Dimensions: 50 mm x 40 mm x 30 mm

Yellow stilbite with green epidote and some grey quatz. From old collection. Photographed on
Millimeter paper as background to demonstrate focus brackting in the camera with layer composition on the computer. Front FOV ist ~71 mm. Back FOV is ~82 mm DOF is extended to ~68 mm.
Copyright: © Volker Betz (2017)      Photo ID: 860211     Uploaded by: Volker Betz   View Count: 22   Approval status: Public galleries    Type: Photo - 4592 x 3448 pixels (15.8 Mpix)

AHJ-LA9Faujasite Subgroup

Limberg Quarries, Sasbach, Kaiserstuhl, Baden-Württemberg, Germany

Field of View: 6 mm

Vug in limburgite rock with fajasite octahedrons. This picture was taken with focus bracketing in the camera with a 4x digital zoom.
Copyright: © Volker Betz (2017)      Photo ID: 860200     Uploaded by: Volker Betz   View Count: 33   Approval status: Public galleries    Type: Photo - 4592 x 3448 pixels (15.8 Mpix)

Test Object for 45 ° View of Millimeter Paper

Test Object for 45 ° View of millimeter paper. 8 cm high. Millimeter paper as background.Front FOV ist ~90 mm. Back FOV is ~170 mm DOF is extended to ~250 mm.
Copyright: © Volker Betz (2017)      Photo ID: 860194     Uploaded by: Volker Betz   View Count: 16   Approval status: User gallery    Type: Photo - 3473 x 3448 pixels (12.0 Mpix)

Test Object for DOF Digital Zoom 4 x

Picture of millimeter paper in 45°-View. Front FOV ist ~4.2 mm. Back FOV is ~4.6 mm DOF is extended to ~3.4 mm.
Copyright: © Volker Betz (2017)      Photo ID: 860189     Uploaded by: Volker Betz   View Count: 4   Approval status: User gallery    Type: Photo - 4592 x 3448 pixels (15.8 Mpix)

Test Object for DOF Digital Zoom 2 x

Picture of millimeter paper in 45°-View. Front FOV ist ~8 mm. Back FOV is ~10 mm DOF is extended to ~6.8 mm.
Copyright: © Volker Betz (2017)      Photo ID: 860187     Uploaded by: Volker Betz   View Count: 8   Approval status: User gallery    Type: Photo - 4592 x 3448 pixels (15.8 Mpix)

DOF test object at 1:1

Picture of millimeter paper in 45°-View. Front FOV ist ~16 mm. Back FOV is ~21 mm. DOF is extended to ~15 mm.
Copyright: © Volker Betz (2017)      Photo ID: 860184     Uploaded by: Volker Betz   View Count: 5   Approval status: User gallery    Type: Photo - 4592 x 3448 pixels (15.8 Mpix)

Camera mount for focus bracketing in the 1:1 range

Setup for vertical view with Panasonic DMC GX80 with a Lumix G Macro 1:2.8/ 30 mm, (home made) stand, Proxxon x,y-stage and darkfield-ringlight LED ~5500 K.
Copyright: © Volker Betz (2017)      Photo ID: 860180     Uploaded by: Volker Betz   View Count: 20   Approval status: User gallery    Type: Photo - 3164 x 3000 pixels (9.5 Mpix)

VEP-TW4Marcasite : FeS2

Lägerdorf, Itzehoe, Schleswig-Holstein, Germany

Dimensions: 150 mm x 70 mm x 50 mm
Weight: 812 g

Large nodule of marcastite.
Copyright: © Volker Betz (2017)      Photo ID: 855624     Uploaded by: Volker Betz   View Count: 18   Approval status: Public galleries    Type: Photo - 1250 x 833 pixels (1.0 Mpix)

U3W-KCTPiemontite : Ca2Mn3+Al2(Si2O7)(SiO4)O(OH)

Falotta, Tinizong, Oberhalbstein, Albula Valley, Grischun, Switzerland

Dimensions: 17 mm x 15 mm x 15 mm

Dark red prismatic crystals of piemontite in quartz matrix. From around 1970.
Copyright: © Volker Betz (2017)      Photo ID: 855339     Uploaded by: Volker Betz   View Count: 32   Approval status: Public galleries    Type: Photo - 1250 x 1043 pixels (1.3 Mpix)

8W9-TG9Cordierite : Mg2Al3(AlSi5)O18

Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany

Field of View: 3.5 mm

Vug in a xenolith lined with well shaped Cordierite crystals.
Copyright: © Volker Betz (2017)      Photo ID: 851065     Uploaded by: Volker Betz   View Count: 55   Approval status: Public galleries    Type: Photo - 4174 x 3456 pixels (14.4 Mpix)
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